content/renderer/render_view_impl.h

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CONTENT_RENDERER_RENDER_VIEW_IMPL_H_
   6 #define CONTENT_RENDERER_RENDER_VIEW_IMPL_H_
   7
   8 #include <deque>
   9 #include <map>
  10 #include <set>
  11 #include <string>
  12 #include <vector>
  13
  14 #include "base/basictypes.h"
  15 #include "base/gtest_prod_util.h"
  16 #include "base/id_map.h"
  17 #include "base/memory/linked_ptr.h"
  18 #include "base/memory/weak_ptr.h"
  19 #include "base/observer_list.h"
  20 #include "base/process.h"
  21 #include "base/timer/timer.h"
  22 #include "build/build_config.h"
  23 #include "cc/input/top_controls_state.h"
  24 #include "content/common/content_export.h"
  25 #include "content/common/drag_event_source_info.h"
  26 #include "content/common/edit_command.h"
  27 #include "content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h"
  28 #include "content/common/navigation_gesture.h"
  29 #include "content/common/view_message_enums.h"
  30 #include "content/public/common/javascript_message_type.h"
  31 #include "content/public/common/page_zoom.h"
  32 #include "content/public/common/referrer.h"
  33 #include "content/public/common/renderer_preferences.h"
  34 #include "content/public/common/stop_find_action.h"
  35 #include "content/public/common/top_controls_state.h"
  36 #include "content/public/renderer/render_view.h"
  37 #include "content/renderer/mouse_lock_dispatcher.h"
  38 #include "content/renderer/render_frame_impl.h"
  39 #include "content/renderer/render_view_pepper_helper.h"
  40 #include "content/renderer/render_widget.h"
  41 #include "content/renderer/renderer_webcookiejar_impl.h"
  42 #include "content/renderer/stats_collection_observer.h"
  43 #include "ipc/ipc_platform_file.h"
  44 #include "third_party/WebKit/public/platform/WebFileSystem.h"
  45 #include "third_party/WebKit/public/platform/WebGraphicsContext3D.h"
  46 #include "third_party/WebKit/public/web/WebConsoleMessage.h"
  47 #include "third_party/WebKit/public/web/WebDataSource.h"
  48 #include "third_party/WebKit/public/web/WebFrameClient.h"
  49 #include "third_party/WebKit/public/web/WebHistoryItem.h"
  50 #include "third_party/WebKit/public/web/WebIconURL.h"
  51 #include "third_party/WebKit/public/web/WebInputEvent.h"
  52 #include "third_party/WebKit/public/web/WebNavigationType.h"
  53 #include "third_party/WebKit/public/web/WebNode.h"
  54 #include "third_party/WebKit/public/web/WebPageSerializerClient.h"
  55 #include "third_party/WebKit/public/web/WebPageVisibilityState.h"
  56 #include "third_party/WebKit/public/web/WebSecurityOrigin.h"
  57 #include "third_party/WebKit/public/web/WebViewClient.h"
  58 #include "ui/base/ui_base_types.h"
  59 #include "ui/surface/transport_dib.h"
  60 #include "webkit/common/webpreferences.h"
  61 #include "webkit/plugins/npapi/webplugin_page_delegate.h"
  62 #include "webkit/renderer/media/webmediaplayer_delegate.h"
  63
  64 #if defined(OS_ANDROID)
  65 #include "content/renderer/android/content_detector.h"
  66 #include "third_party/WebKit/public/web/WebContentDetectionResult.h"
  67 #endif
  68
  69 #if defined(COMPILER_MSVC)
  70 // RenderViewImpl is a diamond-shaped hierarchy, with WebWidgetClient at the
  71 // root. VS warns when we inherit the WebWidgetClient method implementations
  72 // from RenderWidget.  It's safe to ignore that warning.
  73 #pragma warning(disable: 4250)
  74 #endif
  75
  76 class CommandLine;
  77 class PepperDeviceTest;
  78 class SkBitmap;
  79 struct PP_NetAddress_Private;
  80 struct ViewMsg_Navigate_Params;
  81 struct ViewMsg_PostMessage_Params;
  82 struct ViewMsg_StopFinding_Params;
  83 struct WebDropData;
  84
  85 namespace ui {
  86 struct SelectedFileInfo;
  87 }  // namespace ui
  88
  89 namespace webkit {
  90
  91 namespace ppapi {
  92 class PluginInstance;
  93 }  // namespace ppapi
  94
  95 }  // namespace webkit
  96
  97 namespace WebKit {
  98 class WebApplicationCacheHost;
  99 class WebApplicationCacheHostClient;
 100 class WebDOMMessageEvent;
 101 class WebDataSource;
 102 class WebDateTimeChooserCompletion;
 103 class WebDragData;
 104 class WebGeolocationClient;
 105 class WebGestureEvent;
 106 class WebIconURL;
 107 class WebImage;
 108 class WebPeerConnection00Handler;
 109 class WebPeerConnection00HandlerClient;
 110 class WebMediaPlayer;
 111 class WebMediaPlayerClient;
 112 class WebMouseEvent;
 113 class WebPeerConnectionHandler;
 114 class WebPeerConnectionHandlerClient;
 115 class WebSocketStreamHandle;
 116 class WebSpeechInputController;
 117 class WebSpeechInputListener;
 118 class WebSpeechRecognizer;
 119 class WebStorageNamespace;
 120 class WebTouchEvent;
 121 class WebURLRequest;
 122 class WebUserMediaClient;
 123 struct WebActiveWheelFlingParameters;
 124 struct WebDateTimeChooserParams;
 125 struct WebFileChooserParams;
 126 struct WebFindOptions;
 127 struct WebMediaPlayerAction;
 128 struct WebPluginAction;
 129 struct WebPoint;
 130 struct WebWindowFeatures;
 131
 132 #if defined(OS_ANDROID)
 133 class WebHitTestResult;
 134 #endif
 135 }
 136
 137 namespace content {
 138 class BrowserPluginManager;
 139 class DeviceOrientationDispatcher;
 140 class DevToolsAgent;
 141 class DocumentState;
 142 class DomAutomationController;
 143 class ExternalPopupMenu;
 144 class FaviconHelper;
 145 class GeolocationDispatcher;
 146 class ImageResourceFetcher;
 147 class InputTagSpeechDispatcher;
 148 class JavaBridgeDispatcher;
 149 class LoadProgressTracker;
 150 class MediaStreamDispatcher;
 151 class MediaStreamImpl;
 152 class MouseLockDispatcher;
 153 class NavigationState;
 154 class NotificationProvider;
 155 class RenderViewObserver;
 156 class RenderViewTest;
 157 class RendererAccessibility;
 158 class RendererDateTimePicker;
 159 class RendererPpapiHost;
 160 class RendererWebColorChooserImpl;
 161 class RenderWidgetFullscreenPepper;
 162 class SpeechRecognitionDispatcher;
 163 class StatsCollectionController;
 164 class WebPluginDelegateProxy;
 165 struct CustomContextMenuContext;
 166 struct FaviconURL;
 167 struct FileChooserParams;
 168 struct RenderViewImplParams;
 169
 170 #if defined(OS_ANDROID)
 171 class WebMediaPlayerManagerAndroid;
 172 class WebMediaPlayerProxyAndroid;
 173 #endif
 174
 175 // We need to prevent a page from trying to create infinite popups. It is not
 176 // as simple as keeping a count of the number of immediate children
 177 // popups. Having an html file that window.open()s itself would create
 178 // an unlimited chain of RenderViews who only have one RenderView child.
 179 //
 180 // Therefore, each new top level RenderView creates a new counter and shares it
 181 // with all its children and grandchildren popup RenderViewImpls created with
 182 // createView() to have a sort of global limit for the page so no more than
 183 // kMaximumNumberOfPopups popups are created.
 184 //
 185 // This is a RefCounted holder of an int because I can't say
 186 // scoped_refptr<int>.
 187 typedef base::RefCountedData<int> SharedRenderViewCounter;
 188
 189 //
 190 // RenderView is an object that manages a WebView object, and provides a
 191 // communication interface with an embedding application process
 192 //
 193 class CONTENT_EXPORT RenderViewImpl
 194     : public RenderWidget,
 195       NON_EXPORTED_BASE(public WebKit::WebViewClient),
 196       NON_EXPORTED_BASE(public WebKit::WebFrameClient),
 197       NON_EXPORTED_BASE(public WebKit::WebPageSerializerClient),
 198       public RenderView,
 199       NON_EXPORTED_BASE(public webkit::npapi::WebPluginPageDelegate),
 200       NON_EXPORTED_BASE(public webkit_media::WebMediaPlayerDelegate),
 201       public base::SupportsWeakPtr<RenderViewImpl> {
 202  public:
 203   // Creates a new RenderView. If this is a blocked popup or as a new tab,
 204   // opener_id is the routing ID of the RenderView responsible for creating this
 205   // RenderView. |counter| is either a currently initialized counter, or NULL
 206   // (in which case we treat this RenderView as a top level window).
 207   static RenderViewImpl* Create(
 208       int32 opener_id,
 209       const RendererPreferences& renderer_prefs,
 210       const WebPreferences& webkit_prefs,
 211       SharedRenderViewCounter* counter,
 212       int32 routing_id,
 213       int32 main_frame_routing_id,
 214       int32 surface_id,
 215       int64 session_storage_namespace_id,
 216       const string16& frame_name,
 217       bool is_renderer_created,
 218       bool swapped_out,
 219       int32 next_page_id,
 220       const WebKit::WebScreenInfo& screen_info,
 221       AccessibilityMode accessibility_mode,
 222       bool allow_partial_swap);
 223
 224   // Used by content_layouttest_support to hook into the creation of
 225   // RenderViewImpls.
 226   static void InstallCreateHook(
 227       RenderViewImpl* (*create_render_view_impl)(RenderViewImplParams*));
 228
 229   // Returns the RenderViewImpl containing the given WebView.
 230   static RenderViewImpl* FromWebView(WebKit::WebView* webview);
 231
 232   // Returns the RenderViewImpl for the given routing ID.
 233   static RenderViewImpl* FromRoutingID(int routing_id);
 234
 235   // May return NULL when the view is closing.
 236   WebKit::WebView* webview() const;
 237
 238   int history_list_offset() const { return history_list_offset_; }
 239
 240   const WebPreferences& webkit_preferences() const {
 241     return webkit_preferences_;
 242   }
 243
 244   void set_send_content_state_immediately(bool value) {
 245     send_content_state_immediately_ = value;
 246   }
 247
 248   MediaStreamDispatcher* media_stream_dispatcher() {
 249     return media_stream_dispatcher_;
 250   }
 251
 252   MouseLockDispatcher* mouse_lock_dispatcher() {
 253     return mouse_lock_dispatcher_;
 254   }
 255
 256 #if defined(OS_ANDROID)
 257   WebMediaPlayerManagerAndroid* media_player_manager() {
 258     return media_player_manager_.get();
 259   }
 260 #endif
 261
 262   // Lazily initialize this view's BrowserPluginManager and return it.
 263   BrowserPluginManager* GetBrowserPluginManager();
 264
 265   // Functions to add and remove observers for this object.
 266   void AddObserver(RenderViewObserver* observer);
 267   void RemoveObserver(RenderViewObserver* observer);
 268
 269   // Returns the StatsCollectionObserver associated with this view, or NULL
 270   // if one wasn't created;
 271   StatsCollectionObserver* GetStatsCollectionObserver() {
 272     return stats_collection_observer_.get();
 273   }
 274
 275   // Adds the given file chooser request to the file_chooser_completion_ queue
 276   // (see that var for more) and requests the chooser be displayed if there are
 277   // no other waiting items in the queue.
 278   //
 279   // Returns true if the chooser was successfully scheduled. False means we
 280   // didn't schedule anything.
 281   bool ScheduleFileChooser(const FileChooserParams& params,
 282                            WebKit::WebFileChooserCompletion* completion);
 283
 284   void LoadNavigationErrorPage(
 285       WebKit::WebFrame* frame,
 286       const WebKit::WebURLRequest& failed_request,
 287       const WebKit::WebURLError& error,
 288       const std::string& html,
 289       bool replace);
 290
 291   // Plugin-related functions --------------------------------------------------
 292   // (See also WebPluginPageDelegate implementation.)
 293
 294   // Notification that the given plugin has crashed.
 295   void PluginCrashed(const base::FilePath& plugin_path,
 296                      base::ProcessId plugin_pid);
 297
 298   // Creates a fullscreen container for a pepper plugin instance.
 299   RenderWidgetFullscreenPepper* CreatePepperFullscreenContainer(
 300       webkit::ppapi::PluginInstance* plugin);
 301
 302   // Informs the render view that a PPAPI plugin has gained or lost focus.
 303   void PpapiPluginFocusChanged();
 304
 305   // Informs the render view that a PPAPI plugin has changed text input status.
 306   void PpapiPluginTextInputTypeChanged();
 307   void PpapiPluginCaretPositionChanged();
 308
 309   // Cancels current composition.
 310   void PpapiPluginCancelComposition();
 311
 312   // Informs the render view that a PPAPI plugin has changed selection.
 313   void PpapiPluginSelectionChanged();
 314
 315   // Notification that a PPAPI plugin has been created.
 316   void PpapiPluginCreated(RendererPpapiHost* host);
 317
 318   // Retrieves the current caret position if a PPAPI plugin has focus.
 319   bool GetPpapiPluginCaretBounds(gfx::Rect* rect);
 320
 321   // Simulates IME events for testing purpose.
 322   void SimulateImeSetComposition(
 323       const string16& text,
 324       const std::vector<WebKit::WebCompositionUnderline>& underlines,
 325       int selection_start,
 326       int selection_end);
 327   void SimulateImeConfirmComposition(const string16& text,
 328                                      const ui::Range& replacement_range);
 329
 330 #if defined(OS_MACOSX) || defined(OS_WIN)
 331   // Informs the render view that the given plugin has gained or lost focus.
 332   void PluginFocusChanged(bool focused, int plugin_id);
 333 #endif
 334
 335 #if defined(OS_MACOSX)
 336   // Starts plugin IME.
 337   void StartPluginIme();
 338 #endif
 339
 340   void RegisterPluginDelegate(WebPluginDelegateProxy* delegate);
 341   void UnregisterPluginDelegate(WebPluginDelegateProxy* delegate);
 342
 343   // Helper function to retrieve information about a plugin for a URL and mime
 344   // type. Returns false if no plugin was found.
 345   // |actual_mime_type| is the actual mime type supported by the
 346   // plugin found that match the URL given (one for each item in
 347   // |info|).
 348   bool GetPluginInfo(const GURL& url,
 349                      const GURL& page_url,
 350                      const std::string& mime_type,
 351                      webkit::WebPluginInfo* plugin_info,
 352                      std::string* actual_mime_type);
 353
 354   void TransferActiveWheelFlingAnimation(
 355       const WebKit::WebActiveWheelFlingParameters& params);
 356
 357   // Returns true if the focused element is editable text from the perspective
 358   // of IME support (also used for on-screen keyboard). Works correctly inside
 359   // supported PPAPI plug-ins.
 360   bool HasIMETextFocus();
 361
 362   // Callback for use with GetWindowSnapshot.
 363   typedef base::Callback<void(
 364       const gfx::Size&, const std::vector<unsigned char>&)>
 365       WindowSnapshotCallback;
 366
 367   void GetWindowSnapshot(const WindowSnapshotCallback& callback);
 368
 369   // Dispatches the current navigation state to the browser. Called on a
 370   // periodic timer so we don't send too many messages.
 371   void SyncNavigationState();
 372
 373   // Returns the length of the session history of this RenderView. Note that
 374   // this only coincides with the actual length of the session history if this
 375   // RenderView is the currently active RenderView of a WebContents.
 376   unsigned GetLocalSessionHistoryLengthForTesting() const;
 377
 378   // Invokes OnSetFocus and marks the widget as active depending on the value
 379   // of |enable|. This is used for layout tests that need to control the focus
 380   // synchronously from the renderer.
 381   void SetFocusAndActivateForTesting(bool enable);
 382
 383   // Change the device scale factor and force the compositor to resize.
 384   void SetDeviceScaleFactorForTesting(float factor);
 385
 386   // Control autoresize mode.
 387   void EnableAutoResizeForTesting(const gfx::Size& min_size,
 388                                   const gfx::Size& max_size);
 389   void DisableAutoResizeForTesting(const gfx::Size& new_size);
 390
 391   // IPC::Listener implementation ----------------------------------------------
 392
 393   virtual bool OnMessageReceived(const IPC::Message& msg) OVERRIDE;
 394
 395   // WebKit::WebWidgetClient implementation ------------------------------------
 396
 397   // Most methods are handled by RenderWidget.
 398   virtual void didFocus();
 399   virtual void didBlur();
 400   virtual void show(WebKit::WebNavigationPolicy policy);
 401   virtual void runModal();
 402   virtual bool enterFullScreen();
 403   virtual void exitFullScreen();
 404   virtual bool requestPointerLock();
 405   virtual void requestPointerUnlock();
 406   virtual bool isPointerLocked();
 407   virtual void didActivateCompositor(int input_handler_identifier);
 408   virtual void didHandleGestureEvent(const WebKit::WebGestureEvent& event,
 409                                      bool event_cancelled) OVERRIDE;
 410
 411   // WebKit::WebViewClient implementation --------------------------------------
 412
 413   virtual WebKit::WebView* createView(
 414       WebKit::WebFrame* creator,
 415       const WebKit::WebURLRequest& request,
 416       const WebKit::WebWindowFeatures& features,
 417       const WebKit::WebString& frame_name,
 418       WebKit::WebNavigationPolicy policy);
 419   virtual WebKit::WebWidget* createPopupMenu(WebKit::WebPopupType popup_type);
 420   virtual WebKit::WebExternalPopupMenu* createExternalPopupMenu(
 421       const WebKit::WebPopupMenuInfo& popup_menu_info,
 422       WebKit::WebExternalPopupMenuClient* popup_menu_client);
 423   virtual WebKit::WebStorageNamespace* createSessionStorageNamespace();
 424   virtual void didAddMessageToConsole(
 425       const WebKit::WebConsoleMessage& message,
 426       const WebKit::WebString& source_name,
 427       unsigned source_line);
 428   virtual void printPage(WebKit::WebFrame* frame);
 429   virtual WebKit::WebNotificationPresenter* notificationPresenter();
 430   virtual bool enumerateChosenDirectory(
 431       const WebKit::WebString& path,
 432       WebKit::WebFileChooserCompletion* chooser_completion);
 433   virtual void initializeHelperPluginWebFrame(WebKit::WebHelperPlugin*);
 434   virtual void didStartLoading();
 435   virtual void didStopLoading();
 436   virtual void didChangeLoadProgress(WebKit::WebFrame* frame,
 437                                      double load_progress);
 438   virtual void didCancelCompositionOnSelectionChange();
 439   virtual void didChangeSelection(bool is_selection_empty);
 440   virtual void didExecuteCommand(const WebKit::WebString& command_name);
 441   virtual bool handleCurrentKeyboardEvent();
 442   virtual WebKit::WebColorChooser* createColorChooser(
 443       WebKit::WebColorChooserClient*, const WebKit::WebColor& initial_color);
 444   virtual bool runFileChooser(
 445       const WebKit::WebFileChooserParams& params,
 446       WebKit::WebFileChooserCompletion* chooser_completion);
 447   virtual void runModalAlertDialog(WebKit::WebFrame* frame,
 448                                    const WebKit::WebString& message);
 449   virtual bool runModalConfirmDialog(WebKit::WebFrame* frame,
 450                                      const WebKit::WebString& message);
 451   virtual bool runModalPromptDialog(WebKit::WebFrame* frame,
 452                                     const WebKit::WebString& message,
 453                                     const WebKit::WebString& default_value,
 454                                     WebKit::WebString* actual_value);
 455   virtual bool runModalBeforeUnloadDialog(WebKit::WebFrame* frame,
 456                                           bool is_reload,
 457                                           const WebKit::WebString& message);
 458   // DEPRECATED
 459   virtual bool runModalBeforeUnloadDialog(WebKit::WebFrame* frame,
 460                                           const WebKit::WebString& message);
 461   virtual void showContextMenu(WebKit::WebFrame* frame,
 462                                const WebKit::WebContextMenuData& data);
 463   virtual void setStatusText(const WebKit::WebString& text);
 464   virtual void setMouseOverURL(const WebKit::WebURL& url);
 465   virtual void setKeyboardFocusURL(const WebKit::WebURL& url);
 466   virtual void startDragging(WebKit::WebFrame* frame,
 467                              const WebKit::WebDragData& data,
 468                              WebKit::WebDragOperationsMask mask,
 469                              const WebKit::WebImage& image,
 470                              const WebKit::WebPoint& imageOffset);
 471   virtual bool acceptsLoadDrops();
 472   virtual void focusNext();
 473   virtual void focusPrevious();
 474   virtual void focusedNodeChanged(const WebKit::WebNode& node);
 475   virtual void numberOfWheelEventHandlersChanged(unsigned num_handlers);
 476   virtual void didUpdateLayout();
 477 #if defined(OS_ANDROID)
 478   virtual bool didTapMultipleTargets(
 479       const WebKit::WebGestureEvent& event,
 480       const WebKit::WebVector<WebKit::WebRect>& target_rects);
 481 #endif
 482   virtual void navigateBackForwardSoon(int offset);
 483   virtual int historyBackListCount();
 484   virtual int historyForwardListCount();
 485   virtual void postAccessibilityNotification(
 486       const WebKit::WebAccessibilityObject& obj,
 487       WebKit::WebAccessibilityNotification notification);
 488   virtual void didUpdateInspectorSetting(const WebKit::WebString& key,
 489                                          const WebKit::WebString& value);
 490   virtual WebKit::WebGeolocationClient* geolocationClient();
 491   virtual WebKit::WebSpeechInputController* speechInputController(
 492       WebKit::WebSpeechInputListener* listener);
 493   virtual WebKit::WebSpeechRecognizer* speechRecognizer();
 494   virtual WebKit::WebDeviceOrientationClient* deviceOrientationClient();
 495   virtual void zoomLimitsChanged(double minimum_level, double maximum_level);
 496   virtual void zoomLevelChanged();
 497   virtual void registerProtocolHandler(const WebKit::WebString& scheme,
 498                                        const WebKit::WebString& base_url,
 499                                        const WebKit::WebString& url,
 500                                        const WebKit::WebString& title);
 501   virtual WebKit::WebPageVisibilityState visibilityState() const;
 502   virtual WebKit::WebUserMediaClient* userMediaClient();
 503   virtual void draggableRegionsChanged();
 504
 505 #if defined(OS_ANDROID)
 506   virtual void scheduleContentIntent(const WebKit::WebURL& intent);
 507   virtual void cancelScheduledContentIntents();
 508   virtual WebKit::WebContentDetectionResult detectContentAround(
 509       const WebKit::WebHitTestResult& touch_hit);
 510
 511   // Only used on Android since all other platforms implement
 512   // date and time input fields using MULTIPLE_FIELDS_UI
 513   virtual bool openDateTimeChooser(const WebKit::WebDateTimeChooserParams&,
 514                                    WebKit::WebDateTimeChooserCompletion*);
 515   virtual void didScrollWithKeyboard(const WebKit::WebSize& delta);
 516 #endif
 517
 518   // WebKit::WebFrameClient implementation -------------------------------------
 519
 520   virtual WebKit::WebPlugin* createPlugin(
 521       WebKit::WebFrame* frame,
 522       const WebKit::WebPluginParams& params);
 523   virtual WebKit::WebSharedWorker* createSharedWorker(
 524       WebKit::WebFrame* frame, const WebKit::WebURL& url,
 525       const WebKit::WebString& name, unsigned long long documentId);
 526   virtual WebKit::WebMediaPlayer* createMediaPlayer(
 527       WebKit::WebFrame* frame,
 528       const WebKit::WebURL& url,
 529       WebKit::WebMediaPlayerClient* client);
 530   virtual WebKit::WebApplicationCacheHost* createApplicationCacheHost(
 531       WebKit::WebFrame* frame,
 532       WebKit::WebApplicationCacheHostClient* client);
 533   virtual WebKit::WebCookieJar* cookieJar(WebKit::WebFrame* frame);
 534   virtual void didAccessInitialDocument(WebKit::WebFrame* frame);
 535   virtual void didCreateFrame(WebKit::WebFrame* parent,
 536                               WebKit::WebFrame* child);
 537   virtual void didDisownOpener(WebKit::WebFrame* frame);
 538   virtual void frameDetached(WebKit::WebFrame* frame);
 539   virtual void willClose(WebKit::WebFrame* frame);
 540   virtual void didChangeName(WebKit::WebFrame* frame,
 541                              const WebKit::WebString& name);
 542   virtual void loadURLExternally(WebKit::WebFrame* frame,
 543                                  const WebKit::WebURLRequest& request,
 544                                  WebKit::WebNavigationPolicy policy);
 545   virtual void loadURLExternally(WebKit::WebFrame* frame,
 546                                  const WebKit::WebURLRequest& request,
 547                                  WebKit::WebNavigationPolicy policy,
 548                                  const WebKit::WebString& suggested_name);
 549
 550   // The WebDataSource::ExtraData* is assumed to be a DocumentState* subclass.
 551   virtual WebKit::WebNavigationPolicy decidePolicyForNavigation(
 552       WebKit::WebFrame* frame,
 553       WebKit::WebDataSource::ExtraData* extraData,
 554       const WebKit::WebURLRequest& request,
 555       WebKit::WebNavigationType type,
 556       WebKit::WebNavigationPolicy default_policy,
 557       bool is_redirect);
 558   // DEPRECATED.
 559   virtual WebKit::WebNavigationPolicy decidePolicyForNavigation(
 560       WebKit::WebFrame* frame,
 561       const WebKit::WebURLRequest& request,
 562       WebKit::WebNavigationType type,
 563       WebKit::WebNavigationPolicy default_policy,
 564       bool is_redirect);
 565   virtual bool canHandleRequest(WebKit::WebFrame* frame,
 566                                 const WebKit::WebURLRequest& request);
 567   virtual WebKit::WebURLError cannotHandleRequestError(
 568       WebKit::WebFrame* frame,
 569       const WebKit::WebURLRequest& request);
 570   virtual WebKit::WebURLError cancelledError(
 571       WebKit::WebFrame* frame,
 572       const WebKit::WebURLRequest& request);
 573   virtual void unableToImplementPolicyWithError(
 574       WebKit::WebFrame* frame,
 575       const WebKit::WebURLError& error);
 576   virtual void willSendSubmitEvent(WebKit::WebFrame* frame,
 577                                    const WebKit::WebFormElement& form);
 578   virtual void willSubmitForm(WebKit::WebFrame* frame,
 579                               const WebKit::WebFormElement& form);
 580   virtual void willPerformClientRedirect(WebKit::WebFrame* frame,
 581                                          const WebKit::WebURL& from,
 582                                          const WebKit::WebURL& to,
 583                                          double interval,
 584                                          double fire_time);
 585   virtual void didCancelClientRedirect(WebKit::WebFrame* frame);
 586   virtual void didCompleteClientRedirect(WebKit::WebFrame* frame,
 587                                          const WebKit::WebURL& from);
 588   virtual void didCreateDataSource(WebKit::WebFrame* frame,
 589                                    WebKit::WebDataSource* datasource);
 590   virtual void didStartProvisionalLoad(WebKit::WebFrame* frame);
 591   virtual void didReceiveServerRedirectForProvisionalLoad(
 592       WebKit::WebFrame* frame);
 593   virtual void didFailProvisionalLoad(WebKit::WebFrame* frame,
 594                                       const WebKit::WebURLError& error);
 595   virtual void didReceiveDocumentData(WebKit::WebFrame* frame,
 596                                       const char* data, size_t length,
 597                                       bool& prevent_default);
 598   virtual void didCommitProvisionalLoad(WebKit::WebFrame* frame,
 599                                         bool is_new_navigation);
 600   virtual void didClearWindowObject(WebKit::WebFrame* frame);
 601   virtual void didCreateDocumentElement(WebKit::WebFrame* frame);
 602   virtual void didReceiveTitle(WebKit::WebFrame* frame,
 603                                const WebKit::WebString& title,
 604                                WebKit::WebTextDirection direction);
 605   virtual void didChangeIcon(WebKit::WebFrame*,
 606                              WebKit::WebIconURL::Type) OVERRIDE;
 607   virtual void didFinishDocumentLoad(WebKit::WebFrame* frame);
 608   virtual void didHandleOnloadEvents(WebKit::WebFrame* frame);
 609   virtual void didFailLoad(WebKit::WebFrame* frame,
 610                            const WebKit::WebURLError& error);
 611   virtual void didFinishLoad(WebKit::WebFrame* frame);
 612   virtual void didNavigateWithinPage(WebKit::WebFrame* frame,
 613                                      bool is_new_navigation);
 614   virtual void didUpdateCurrentHistoryItem(WebKit::WebFrame* frame);
 615   virtual void assignIdentifierToRequest(WebKit::WebFrame* frame,
 616                                          unsigned identifier,
 617                                          const WebKit::WebURLRequest& request);
 618   virtual void willSendRequest(WebKit::WebFrame* frame,
 619                                unsigned identifier,
 620                                WebKit::WebURLRequest& request,
 621                                const WebKit::WebURLResponse& redirect_response);
 622   virtual void didReceiveResponse(WebKit::WebFrame* frame,
 623                                   unsigned identifier,
 624                                   const WebKit::WebURLResponse& response);
 625   virtual void didFinishResourceLoad(WebKit::WebFrame* frame,
 626                                      unsigned identifier);
 627   virtual void didFailResourceLoad(WebKit::WebFrame* frame,
 628                                    unsigned identifier,
 629                                    const WebKit::WebURLError& error);
 630   virtual void didLoadResourceFromMemoryCache(
 631       WebKit::WebFrame* frame,
 632       const WebKit::WebURLRequest& request,
 633       const WebKit::WebURLResponse&);
 634   virtual void didDisplayInsecureContent(WebKit::WebFrame* frame);
 635   virtual void didRunInsecureContent(
 636       WebKit::WebFrame* frame,
 637       const WebKit::WebSecurityOrigin& origin,
 638       const WebKit::WebURL& target);
 639   virtual void didExhaustMemoryAvailableForScript(WebKit::WebFrame* frame);
 640   virtual void didCreateScriptContext(WebKit::WebFrame* frame,
 641                                       v8::Handle<v8::Context>,
 642                                       int extension_group,
 643                                       int world_id);
 644   virtual void willReleaseScriptContext(WebKit::WebFrame* frame,
 645                                         v8::Handle<v8::Context>,
 646                                         int world_id);
 647   virtual void didChangeScrollOffset(WebKit::WebFrame* frame);
 648   virtual void willInsertBody(WebKit::WebFrame* frame) OVERRIDE;
 649   virtual void didFirstVisuallyNonEmptyLayout(WebKit::WebFrame*) OVERRIDE;
 650   virtual void didChangeContentsSize(WebKit::WebFrame* frame,
 651                                      const WebKit::WebSize& size);
 652   virtual void reportFindInPageMatchCount(int request_id,
 653                                           int count,
 654                                           bool final_update);
 655   virtual void reportFindInPageSelection(int request_id,
 656                                          int active_match_ordinal,
 657                                          const WebKit::WebRect& sel);
 658   virtual void openFileSystem(WebKit::WebFrame* frame,
 659                               WebKit::WebFileSystemType type,
 660                               long long size,
 661                               bool create,
 662                               WebKit::WebFileSystemCallbacks* callbacks);
 663   virtual void deleteFileSystem(WebKit::WebFrame* frame,
 664                                 WebKit::WebFileSystemType type,
 665                                 WebKit::WebFileSystemCallbacks* callbacks);
 666   virtual void queryStorageUsageAndQuota(
 667       WebKit::WebFrame* frame,
 668       WebKit::WebStorageQuotaType type,
 669       WebKit::WebStorageQuotaCallbacks* callbacks);
 670   virtual void requestStorageQuota(
 671       WebKit::WebFrame* frame,
 672       WebKit::WebStorageQuotaType type,
 673       unsigned long long requested_size,
 674       WebKit::WebStorageQuotaCallbacks* callbacks);
 675   virtual void willOpenSocketStream(
 676       WebKit::WebSocketStreamHandle* handle);
 677   virtual void willStartUsingPeerConnectionHandler(WebKit::WebFrame* frame,
 678       WebKit::WebRTCPeerConnectionHandler* handler) OVERRIDE;
 679   virtual bool willCheckAndDispatchMessageEvent(
 680       WebKit::WebFrame* sourceFrame,
 681       WebKit::WebFrame* targetFrame,
 682       WebKit::WebSecurityOrigin targetOrigin,
 683       WebKit::WebDOMMessageEvent event) OVERRIDE;
 684   virtual WebKit::WebString acceptLanguages() OVERRIDE;
 685   virtual WebKit::WebString userAgentOverride(
 686       WebKit::WebFrame* frame,
 687       const WebKit::WebURL& url) OVERRIDE;
 688   virtual WebKit::WebString doNotTrackValue(WebKit::WebFrame* frame) OVERRIDE;
 689   virtual bool allowWebGL(WebKit::WebFrame* frame, bool default_value) OVERRIDE;
 690   virtual void didLoseWebGLContext(
 691       WebKit::WebFrame* frame,
 692       int arb_robustness_status_code) OVERRIDE;
 693
 694   // WebKit::WebPageSerializerClient implementation ----------------------------
 695
 696   virtual void didSerializeDataForFrame(
 697       const WebKit::WebURL& frame_url,
 698       const WebKit::WebCString& data,
 699       PageSerializationStatus status) OVERRIDE;
 700
 701   // RenderView implementation -------------------------------------------------
 702
 703   virtual bool Send(IPC::Message* message) OVERRIDE;
 704   virtual int GetRoutingID() const OVERRIDE;
 705   virtual int GetPageId() const OVERRIDE;
 706   virtual gfx::Size GetSize() const OVERRIDE;
 707   virtual WebPreferences& GetWebkitPreferences() OVERRIDE;
 708   virtual void SetWebkitPreferences(const WebPreferences& preferences) OVERRIDE;
 709   virtual WebKit::WebView* GetWebView() OVERRIDE;
 710   virtual WebKit::WebNode GetFocusedNode() const OVERRIDE;
 711   virtual WebKit::WebNode GetContextMenuNode() const OVERRIDE;
 712   virtual bool IsEditableNode(const WebKit::WebNode& node) const OVERRIDE;
 713   virtual WebKit::WebPlugin* CreatePlugin(
 714       WebKit::WebFrame* frame,
 715       const webkit::WebPluginInfo& info,
 716       const WebKit::WebPluginParams& params) OVERRIDE;
 717   virtual void EvaluateScript(const string16& frame_xpath,
 718                               const string16& jscript,
 719                               int id,
 720                               bool notify_result) OVERRIDE;
 721   virtual bool ShouldDisplayScrollbars(int width, int height) const OVERRIDE;
 722   virtual int GetEnabledBindings() const OVERRIDE;
 723   virtual bool GetContentStateImmediately() const OVERRIDE;
 724   virtual float GetFilteredTimePerFrame() const OVERRIDE;
 725   virtual int ShowContextMenu(ContextMenuClient* client,
 726                               const ContextMenuParams& params) OVERRIDE;
 727   virtual void CancelContextMenu(int request_id) OVERRIDE;
 728   virtual WebKit::WebPageVisibilityState GetVisibilityState() const OVERRIDE;
 729   virtual void RunModalAlertDialog(WebKit::WebFrame* frame,
 730                                    const WebKit::WebString& message) OVERRIDE;
 731   virtual void LoadURLExternally(
 732       WebKit::WebFrame* frame,
 733       const WebKit::WebURLRequest& request,
 734       WebKit::WebNavigationPolicy policy) OVERRIDE;
 735   virtual void Repaint(const gfx::Size& size) OVERRIDE;
 736   virtual void SetEditCommandForNextKeyEvent(const std::string& name,
 737                                              const std::string& value) OVERRIDE;
 738   virtual void ClearEditCommands() OVERRIDE;
 739   virtual SSLStatus GetSSLStatusOfFrame(WebKit::WebFrame* frame) const OVERRIDE;
 740 #if defined(OS_ANDROID)
 741   virtual skia::RefPtr<SkPicture> CapturePicture() OVERRIDE;
 742   virtual void UpdateTopControlsState(TopControlsState constraints,
 743                                       TopControlsState current,
 744                                       bool animate) OVERRIDE;
 745 #endif
 746
 747   // webkit_glue::WebPluginPageDelegate implementation -------------------------
 748
 749   virtual webkit::npapi::WebPluginDelegate* CreatePluginDelegate(
 750       const base::FilePath& file_path,
 751       const std::string& mime_type) OVERRIDE;
 752   virtual WebKit::WebPlugin* CreatePluginReplacement(
 753       const base::FilePath& file_path) OVERRIDE;
 754   virtual void CreatedPluginWindow(gfx::PluginWindowHandle handle) OVERRIDE;
 755   virtual void WillDestroyPluginWindow(gfx::PluginWindowHandle handle) OVERRIDE;
 756   virtual void DidMovePlugin(
 757       const webkit::npapi::WebPluginGeometry& move) OVERRIDE;
 758   virtual void DidStartLoadingForPlugin() OVERRIDE;
 759   virtual void DidStopLoadingForPlugin() OVERRIDE;
 760   virtual WebKit::WebCookieJar* GetCookieJar() OVERRIDE;
 761
 762   // webkit_media::WebMediaPlayerDelegate implementation -----------------------
 763
 764   virtual void DidPlay(WebKit::WebMediaPlayer* player) OVERRIDE;
 765   virtual void DidPause(WebKit::WebMediaPlayer* player) OVERRIDE;
 766   virtual void PlayerGone(WebKit::WebMediaPlayer* player) OVERRIDE;
 767
 768   // Please do not add your stuff randomly to the end here. If there is an
 769   // appropriate section, add it there. If not, there are some random functions
 770   // nearer to the top you can add it to.
 771
 772   // Cannot use std::set unfortunately since linked_ptr<> does not support
 773   // operator<.
 774   typedef std::vector<linked_ptr<ImageResourceFetcher> >
 775       ImageResourceFetcherList;
 776
 777  protected:
 778   // RenderWidget overrides:
 779   virtual void Close() OVERRIDE;
 780   virtual void OnResize(const ViewMsg_Resize_Params& params) OVERRIDE;
 781   virtual void WillInitiatePaint() OVERRIDE;
 782   virtual void DidInitiatePaint() OVERRIDE;
 783   virtual void DidFlushPaint() OVERRIDE;
 784   virtual webkit::ppapi::PluginInstance* GetBitmapForOptimizedPluginPaint(
 785       const gfx::Rect& paint_bounds,
 786       TransportDIB** dib,
 787       gfx::Rect* location,
 788       gfx::Rect* clip,
 789       float* scale_factor) OVERRIDE;
 790   virtual gfx::Vector2d GetScrollOffset() OVERRIDE;
 791   virtual void DidHandleKeyEvent() OVERRIDE;
 792   virtual bool WillHandleMouseEvent(
 793       const WebKit::WebMouseEvent& event) OVERRIDE;
 794   virtual bool WillHandleKeyEvent(
 795       const WebKit::WebKeyboardEvent& event) OVERRIDE;
 796   virtual bool WillHandleGestureEvent(
 797       const WebKit::WebGestureEvent& event) OVERRIDE;
 798   virtual void DidHandleMouseEvent(const WebKit::WebMouseEvent& event) OVERRIDE;
 799   virtual void DidHandleTouchEvent(const WebKit::WebTouchEvent& event) OVERRIDE;
 800   virtual bool HasTouchEventHandlersAt(const gfx::Point& point) const OVERRIDE;
 801   virtual void OnSetFocus(bool enable) OVERRIDE;
 802   virtual void OnWasHidden() OVERRIDE;
 803   virtual void OnWasShown(bool needs_repainting) OVERRIDE;
 804   virtual GURL GetURLForGraphicsContext3D() OVERRIDE;
 805   virtual bool ForceCompositingModeEnabled() OVERRIDE;
 806   virtual void OnImeSetComposition(
 807       const string16& text,
 808       const std::vector<WebKit::WebCompositionUnderline>& underlines,
 809       int selection_start,
 810       int selection_end) OVERRIDE;
 811   virtual void OnImeConfirmComposition(
 812       const string16& text, const ui::Range& replacement_range) OVERRIDE;
 813   virtual void SetDeviceScaleFactor(float device_scale_factor) OVERRIDE;
 814   virtual ui::TextInputType GetTextInputType() OVERRIDE;
 815   virtual void GetSelectionBounds(gfx::Rect* start, gfx::Rect* end) OVERRIDE;
 816   virtual void GetCompositionCharacterBounds(
 817       std::vector<gfx::Rect>* character_bounds) OVERRIDE;
 818   virtual void GetCompositionRange(ui::Range* range) OVERRIDE;
 819   virtual bool CanComposeInline() OVERRIDE;
 820   virtual void DidCommitCompositorFrame() OVERRIDE;
 821   virtual void InstrumentWillBeginFrame() OVERRIDE;
 822   virtual void InstrumentDidBeginFrame() OVERRIDE;
 823   virtual void InstrumentDidCancelFrame() OVERRIDE;
 824   virtual void InstrumentWillComposite() OVERRIDE;
 825   virtual bool AllowPartialSwap() const OVERRIDE;
 826
 827  protected:
 828   explicit RenderViewImpl(RenderViewImplParams* params);
 829
 830   void Initialize(RenderViewImplParams* params);
 831
 832   // Do not delete directly.  This class is reference counted.
 833   virtual ~RenderViewImpl();
 834
 835  private:
 836   // For unit tests.
 837   friend class ExternalPopupMenuTest;
 838   friend class PepperDeviceTest;
 839   friend class RendererAccessibilityTest;
 840   friend class RenderViewTest;
 841
 842   FRIEND_TEST_ALL_PREFIXES(ExternalPopupMenuRemoveTest, RemoveOnChange);
 843   FRIEND_TEST_ALL_PREFIXES(ExternalPopupMenuTest, NormalCase);
 844   FRIEND_TEST_ALL_PREFIXES(ExternalPopupMenuTest, ShowPopupThenNavigate);
 845   FRIEND_TEST_ALL_PREFIXES(RendererAccessibilityTest,
 846                            AccessibilityMessagesQueueWhileSwappedOut);
 847   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, DecideNavigationPolicyForWebUI);
 848   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest,
 849                            DidFailProvisionalLoadWithErrorForError);
 850   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest,
 851                            DidFailProvisionalLoadWithErrorForCancellation);
 852   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest,
 853                            DontIgnoreBackAfterNavEntryLimit);
 854   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, ImeComposition);
 855   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, InsertCharacters);
 856   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, JSBlockSentAfterPageLoad);
 857   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, LastCommittedUpdateState);
 858   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, OnExtendSelectionAndDelete);
 859   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, OnHandleKeyboardEvent);
 860   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, OnImeTypeChanged);
 861   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, OnNavStateChanged);
 862   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, OnSetTextDirection);
 863   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, OnUpdateWebPreferences);
 864   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest,
 865                            ChromeNativeSchemeCommitsSynchronously);
 866   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, SendSwapOutACK);
 867   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, ReloadWhileSwappedOut);
 868   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest,
 869                            SetEditableSelectionAndComposition);
 870   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, StaleNavigationsIgnored);
 871   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, UpdateTargetURLWithInvalidURL);
 872   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest,
 873                            GetCompositionCharacterBoundsTest);
 874   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, OnNavigationHttpPost);
 875 #if defined(OS_MACOSX)
 876   FRIEND_TEST_ALL_PREFIXES(RenderViewTest, MacTestCmdUp);
 877 #endif
 878   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, SetHistoryLengthAndPrune);
 879   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, ZoomLimit);
 880   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, NavigateFrame);
 881   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest,
 882                            ShouldUpdateSelectionTextFromContextMenuParams);
 883   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, BasicRenderFrame);
 884
 885   typedef std::map<GURL, double> HostZoomLevels;
 886
 887   enum ErrorPageType {
 888     DNS_ERROR,
 889     HTTP_404,
 890     CONNECTION_ERROR,
 891   };
 892
 893   void UpdateURL(WebKit::WebFrame* frame);
 894   void UpdateTitle(WebKit::WebFrame* frame, const string16& title,
 895                    WebKit::WebTextDirection title_direction);
 896   void UpdateSessionHistory(WebKit::WebFrame* frame);
 897   void SendUpdateState(const WebKit::WebHistoryItem& item);
 898
 899   // Update current main frame's encoding and send it to browser window.
 900   // Since we want to let users see the right encoding info from menu
 901   // before finishing loading, we call the UpdateEncoding in
 902   // a) function:DidCommitLoadForFrame. When this function is called,
 903   // that means we have got first data. In here we try to get encoding
 904   // of page if it has been specified in http header.
 905   // b) function:DidReceiveTitle. When this function is called,
 906   // that means we have got specified title. Because in most of webpages,
 907   // title tags will follow meta tags. In here we try to get encoding of
 908   // page if it has been specified in meta tag.
 909   // c) function:DidFinishDocumentLoadForFrame. When this function is
 910   // called, that means we have got whole html page. In here we should
 911   // finally get right encoding of page.
 912   void UpdateEncoding(WebKit::WebFrame* frame,
 913                       const std::string& encoding_name);
 914
 915   void OpenURL(WebKit::WebFrame* frame,
 916                const GURL& url,
 917                const Referrer& referrer,
 918                WebKit::WebNavigationPolicy policy);
 919
 920   bool RunJavaScriptMessage(JavaScriptMessageType type,
 921                             const string16& message,
 922                             const string16& default_value,
 923                             const GURL& frame_url,
 924                             string16* result);
 925
 926   // Sends a message and runs a nested message loop.
 927   bool SendAndRunNestedMessageLoop(IPC::SyncMessage* message);
 928
 929   // Called when the "pinned to left/right edge" state needs to be updated.
 930   void UpdateScrollState(WebKit::WebFrame* frame);
 931
 932   // IPC message handlers ------------------------------------------------------
 933   //
 934   // The documentation for these functions should be in
 935   // content/common/*_messages.h for the message that the function is handling.
 936
 937   void OnCopy();
 938   void OnCut();
 939   void OnDelete();
 940   void OnExecuteEditCommand(const std::string& name, const std::string& value);
 941   void OnMoveCaret(const gfx::Point& point);
 942   void OnPaste();
 943   void OnPasteAndMatchStyle();
 944   void OnRedo();
 945   void OnReplace(const string16& text);
 946   void OnReplaceMisspelling(const string16& text);
 947   void OnScrollFocusedEditableNodeIntoRect(const gfx::Rect& rect);
 948   void OnSelectAll();
 949   void OnSelectRange(const gfx::Point& start, const gfx::Point& end);
 950   void OnSetEditCommandsForNextKeyEvent(const EditCommands& edit_commands);
 951   void OnUndo();
 952   void OnUnselect();
 953
 954   void OnAllowBindings(int enabled_bindings_flags);
 955   void OnAllowScriptToClose(bool script_can_close);
 956   void OnAsyncFileOpened(base::PlatformFileError error_code,
 957                          IPC::PlatformFileForTransit file_for_transit,
 958                          int message_id);
 959   void OnPpapiBrokerChannelCreated(int request_id,
 960                                    base::ProcessId broker_pid,
 961                                    const IPC::ChannelHandle& handle);
 962   void OnPpapiBrokerPermissionResult(int request_id, bool result);
 963   void OnCancelDownload(int32 download_id);
 964   void OnClearFocusedNode();
 965   void OnClosePage();
 966   void OnContextMenuClosed(const CustomContextMenuContext& custom_context);
 967   void OnShowContextMenu(const gfx::Point& location);
 968   void OnCopyImageAt(int x, int y);
 969   void OnCSSInsertRequest(const string16& frame_xpath,
 970                           const std::string& css);
 971   void OnCustomContextMenuAction(const CustomContextMenuContext& custom_context,
 972       unsigned action);
 973   void OnSetName(const std::string& name);
 974   void OnDeterminePageLanguage();
 975   void OnDisableScrollbarsForSmallWindows(
 976       const gfx::Size& disable_scrollbars_size_limit);
 977   void OnDisassociateFromPopupCount();
 978   void OnDragSourceEndedOrMoved(const gfx::Point& client_point,
 979                                 const gfx::Point& screen_point,
 980                                 bool ended,
 981                                 WebKit::WebDragOperation drag_operation);
 982   void OnDragSourceSystemDragEnded();
 983   void OnDragTargetDrop(const gfx::Point& client_pt,
 984                         const gfx::Point& screen_pt,
 985                         int key_modifiers);
 986   void OnDragTargetDragEnter(const WebDropData& drop_data,
 987                              const gfx::Point& client_pt,
 988                              const gfx::Point& screen_pt,
 989                              WebKit::WebDragOperationsMask operations_allowed,
 990                              int key_modifiers);
 991   void OnDragTargetDragLeave();
 992   void OnDragTargetDragOver(const gfx::Point& client_pt,
 993                             const gfx::Point& screen_pt,
 994                             WebKit::WebDragOperationsMask operations_allowed,
 995                             int key_modifiers);
 996   void OnEnablePreferredSizeChangedMode();
 997   void OnEnableAutoResize(const gfx::Size& min_size, const gfx::Size& max_size);
 998   void OnDisableAutoResize(const gfx::Size& new_size);
 999   void OnEnumerateDirectoryResponse(int id,
1000                                     const std::vector<base::FilePath>& paths);
1001   void OnExtendSelectionAndDelete(int before, int after);
1002   void OnFileChooserResponse(
1003       const std::vector<ui::SelectedFileInfo>& files);
1004   void OnFind(int request_id, const string16&, const WebKit::WebFindOptions&);
1005   void OnGetAllSavableResourceLinksForCurrentPage(const GURL& page_url);
1006   void OnGetSerializedHtmlDataForCurrentPageWithLocalLinks(
1007       const std::vector<GURL>& links,
1008       const std::vector<base::FilePath>& local_paths,
1009       const base::FilePath& local_directory_name);
1010   void OnMediaPlayerActionAt(const gfx::Point& location,
1011                              const WebKit::WebMediaPlayerAction& action);
1012
1013   // Screen has rotated. 0 = default (portrait), 90 = one turn right, and so on.
1014   void OnOrientationChangeEvent(int orientation);
1015
1016   void OnPluginActionAt(const gfx::Point& location,
1017                         const WebKit::WebPluginAction& action);
1018   void OnMoveOrResizeStarted();
1019   void OnNavigate(const ViewMsg_Navigate_Params& params);
1020   void OnPostMessageEvent(const ViewMsg_PostMessage_Params& params);
1021   void OnReleaseDisambiguationPopupDIB(TransportDIB::Handle dib_handle);
1022   void OnReloadFrame();
1023   void OnResetPageEncodingToDefault();
1024   void OnScriptEvalRequest(const string16& frame_xpath,
1025                            const string16& jscript,
1026                            int id,
1027                            bool notify_result);
1028   void OnSetAccessibilityMode(AccessibilityMode new_mode);
1029   void OnSetActive(bool active);
1030   void OnSetAltErrorPageURL(const GURL& gurl);
1031   void OnSetBackground(const SkBitmap& background);
1032   void OnSetCompositionFromExistingText(
1033       int start, int end,
1034       const std::vector<WebKit::WebCompositionUnderline>& underlines);
1035   void OnExitFullscreen();
1036   void OnSetEditableSelectionOffsets(int start, int end);
1037   void OnSetHistoryLengthAndPrune(int history_length, int32 minimum_page_id);
1038   void OnSetInitialFocus(bool reverse);
1039   void OnSetPageEncoding(const std::string& encoding_name);
1040   void OnSetRendererPrefs(const RendererPreferences& renderer_prefs);
1041   void OnSetWebUIProperty(const std::string& name, const std::string& value);
1042   void OnSetZoomLevel(double zoom_level);
1043   void OnSetZoomLevelForLoadingURL(const GURL& url, double zoom_level);
1044   void OnShouldClose();
1045   void OnStop();
1046   void OnStopFinding(StopFindAction action);
1047   void OnSwapOut();
1048   void OnThemeChanged();
1049   void OnUpdateTargetURLAck();
1050   void OnUpdateTimezone();
1051   void OnUpdateWebPreferences(const WebPreferences& prefs);
1052
1053   void OnZoom(PageZoom zoom);
1054   void OnZoomFactor(PageZoom zoom, int zoom_center_x, int zoom_center_y);
1055
1056   void OnEnableViewSourceMode();
1057
1058   void OnJavaBridgeInit();
1059
1060   void OnDisownOpener();
1061
1062 #if defined(OS_ANDROID)
1063   void OnActivateNearestFindResult(int request_id, float x, float y);
1064   void OnFindMatchRects(int current_version);
1065   void OnSelectPopupMenuItems(bool canceled,
1066                               const std::vector<int>& selected_indices);
1067   void OnUndoScrollFocusedEditableNodeIntoRect();
1068   void OnUpdateTopControlsState(bool enable_hiding,
1069                                 bool enable_showing,
1070                                 bool animate);
1071 #elif defined(OS_MACOSX)
1072   void OnCopyToFindPboard();
1073   void OnPluginImeCompositionCompleted(const string16& text, int plugin_id);
1074   void OnSelectPopupMenuItem(int selected_index);
1075   void OnSetInLiveResize(bool in_live_resize);
1076   void OnSetWindowVisibility(bool visible);
1077   void OnWindowFrameChanged(const gfx::Rect& window_frame,
1078                             const gfx::Rect& view_frame);
1079 #endif
1080
1081   void OnWindowSnapshotCompleted(const int snapshot_id,
1082       const gfx::Size& size, const std::vector<unsigned char>& png);
1083
1084
1085   // Adding a new message handler? Please add it in alphabetical order above
1086   // and put it in the same position in the .cc file.
1087
1088   // Misc private functions ----------------------------------------------------
1089   void ZoomFactorHelper(PageZoom zoom, int zoom_center_x, int zoom_center_y,
1090                         float scaling_increment);
1091
1092   void AltErrorPageFinished(WebKit::WebFrame* frame,
1093                             const WebKit::WebURLRequest& original_request,
1094                             const WebKit::WebURLError& original_error,
1095                             const std::string& html);
1096
1097   // Check whether the preferred size has changed.
1098   void CheckPreferredSize();
1099
1100   void EnsureMediaStreamImpl();
1101
1102   // This callback is triggered when DownloadFavicon completes, either
1103   // succesfully or with a failure. See DownloadFavicon for more
1104   // details.
1105   void DidDownloadFavicon(ImageResourceFetcher* fetcher,
1106                           const SkBitmap& image);
1107
1108   // Requests to download a favicon image. When done, the RenderView is notified
1109   // by way of DidDownloadFavicon. Returns true if the request was successfully
1110   // started, false otherwise. id is used to uniquely identify the request and
1111   // passed back to the DidDownloadFavicon method. If the image has multiple
1112   // frames, the frame whose size is image_size is returned. If the image
1113   // doesn't have a frame at the specified size, the first is returned.
1114   bool DownloadFavicon(int id, const GURL& image_url, int image_size);
1115
1116   GURL GetAlternateErrorPageURL(const GURL& failed_url,
1117                                 ErrorPageType error_type);
1118
1119   // Locates a sub frame with given xpath
1120   WebKit::WebFrame* GetChildFrame(const string16& frame_xpath) const;
1121
1122   // Returns the URL being loaded by the given frame's request.
1123   GURL GetLoadingUrl(WebKit::WebFrame* frame) const;
1124
1125   // Should only be called if this object wraps a PluginDocument.
1126   WebKit::WebPlugin* GetWebPluginFromPluginDocument();
1127
1128   // Returns true if the |params| navigation is to an entry that has been
1129   // cropped due to a recent navigation the browser did not know about.
1130   bool IsBackForwardToStaleEntry(const ViewMsg_Navigate_Params& params,
1131                                  bool is_reload);
1132
1133   bool MaybeLoadAlternateErrorPage(WebKit::WebFrame* frame,
1134                                    const WebKit::WebURLError& error,
1135                                    bool replace);
1136
1137   // Make this RenderView show an empty, unscriptable page.
1138   void NavigateToSwappedOutURL(WebKit::WebFrame* frame);
1139
1140   // If we initiated a navigation, this function will populate |document_state|
1141   // with the navigation information saved in OnNavigate().
1142   void PopulateDocumentStateFromPending(DocumentState* document_state);
1143
1144   // Returns a new NavigationState populated with the navigation information
1145   // saved in OnNavigate().
1146   NavigationState* CreateNavigationStateFromPending();
1147
1148   // Processes the command-line flags --enable-viewport,
1149   // --enable-fixed-layout[=w,h] and --enable-pinch.
1150   void ProcessViewLayoutFlags(const CommandLine& command_line);
1151
1152 #if defined(OS_ANDROID)
1153   // Launch an Android content intent with the given URL.
1154   void LaunchAndroidContentIntent(const GURL& intent_url, size_t request_id);
1155 #endif
1156
1157   // Sends a reply to the current find operation handling if it was a
1158   // synchronous find request.
1159   void SendFindReply(int request_id,
1160                      int match_count,
1161                      int ordinal,
1162                      const WebKit::WebRect& selection_rect,
1163                      bool final_status_update);
1164
1165   // Returns whether |params.selection_text| should be synchronized to the
1166   // browser before bringing up the context menu. Static for testing.
1167   static bool ShouldUpdateSelectionTextFromContextMenuParams(
1168       const string16& selection_text,
1169       size_t selection_text_offset,
1170       const ui::Range& selection_range,
1171       const ContextMenuParams& params);
1172
1173   // Starts nav_state_sync_timer_ if it isn't already running.
1174   void StartNavStateSyncTimerIfNecessary();
1175
1176   // Dispatches the current state of selection on the webpage to the browser if
1177   // it has changed.
1178   // TODO(varunjain): delete this method once we figure out how to keep
1179   // selection handles in sync with the webpage.
1180   void SyncSelectionIfRequired();
1181
1182 #if defined(OS_POSIX) && !defined(OS_MACOSX)
1183   void UpdateFontRenderingFromRendererPrefs();
1184 #else
1185   void UpdateFontRenderingFromRendererPrefs() {}
1186 #endif
1187
1188   // Update the target url and tell the browser that the target URL has changed.
1189   // If |url| is empty, show |fallback_url|.
1190   void UpdateTargetURL(const GURL& url, const GURL& fallback_url);
1191
1192   // Tells the browser what the new list of favicons for the webpage is.
1193   void SendUpdateFaviconURL(const std::vector<FaviconURL>& urls);
1194
1195   // Invoked from DidStopLoading(). Sends the current list of loaded favicons to
1196   // the browser.
1197   void DidStopLoadingIcons();
1198
1199   // Coordinate conversion -----------------------------------------------------
1200
1201   gfx::RectF ClientRectToPhysicalWindowRect(const gfx::RectF& rect) const;
1202
1203   // ---------------------------------------------------------------------------
1204   // ADDING NEW FUNCTIONS? Please keep private functions alphabetized and put
1205   // it in the same order in the .cc file as it was in the header.
1206   // ---------------------------------------------------------------------------
1207
1208   // Settings ------------------------------------------------------------------
1209
1210   WebPreferences webkit_preferences_;
1211   RendererPreferences renderer_preferences_;
1212
1213   HostZoomLevels host_zoom_levels_;
1214
1215   // Whether content state (such as form state, scroll position and page
1216   // contents) should be sent to the browser immediately. This is normally
1217   // false, but set to true by some tests.
1218   bool send_content_state_immediately_;
1219
1220   // Bitwise-ORed set of extra bindings that have been enabled.  See
1221   // BindingsPolicy for details.
1222   int enabled_bindings_;
1223
1224   // The alternate error page URL, if one exists.
1225   GURL alternate_error_page_url_;
1226
1227   // If true, we send IPC messages when |preferred_size_| changes.
1228   bool send_preferred_size_changes_;
1229
1230   // If non-empty, and |send_preferred_size_changes_| is true, disable drawing
1231   // scroll bars on windows smaller than this size.  Used for windows that the
1232   // browser resizes to the size of the content, such as browser action popups.
1233   // If a render view is set to the minimum size of its content, webkit may add
1234   // scroll bars.  This makes sense for fixed sized windows, but it does not
1235   // make sense when the size of the view was chosen to fit the content.
1236   // This setting ensures that no scroll bars are drawn.  The size limit exists
1237   // because if the view grows beyond a size known to the browser, scroll bars
1238   // should be drawn.
1239   gfx::Size disable_scrollbars_size_limit_;
1240
1241   // Loading state -------------------------------------------------------------
1242
1243   // True if the top level frame is currently being loaded.
1244   bool is_loading_;
1245
1246   // The gesture that initiated the current navigation.
1247   NavigationGesture navigation_gesture_;
1248
1249   // Used for popups.
1250   bool opened_by_user_gesture_;
1251
1252   // Whether this RenderView was created by a frame that was suppressing its
1253   // opener. If so, we may want to load pages in a separate process.  See
1254   // decidePolicyForNavigation for details.
1255   bool opener_suppressed_;
1256
1257   // If we are handling a top-level client-side redirect, this tracks the URL
1258   // of the page that initiated it. Specifically, when a load is committed this
1259   // is used to determine if that load originated from a client-side redirect.
1260   // It is empty if there is no top-level client-side redirect.
1261   Referrer completed_client_redirect_src_;
1262
1263   // Holds state pertaining to a navigation that we initiated.  This is held by
1264   // the WebDataSource::ExtraData attribute.  We use pending_navigation_state_
1265   // as a temporary holder for the state until the WebDataSource corresponding
1266   // to the new navigation is created.  See DidCreateDataSource.
1267   scoped_ptr<ViewMsg_Navigate_Params> pending_navigation_params_;
1268
1269   // Timer used to delay the updating of nav state (see SyncNavigationState).
1270   base::OneShotTimer<RenderViewImpl> nav_state_sync_timer_;
1271
1272   // Page IDs ------------------------------------------------------------------
1273   // See documentation in RenderView.
1274   int32 page_id_;
1275
1276   // Indicates the ID of the last page that we sent a FrameNavigate to the
1277   // browser for. This is used to determine if the most recent transition
1278   // generated a history entry (less than page_id_), or not (equal to or
1279   // greater than). Note that this will be greater than page_id_ if the user
1280   // goes back.
1281   int32 last_page_id_sent_to_browser_;
1282
1283   // The next available page ID to use for this RenderView.  These IDs are
1284   // specific to a given RenderView and the frames within it.
1285   int32 next_page_id_;
1286
1287   // The offset of the current item in the history list.
1288   int history_list_offset_;
1289
1290   // The RenderView's current impression of the history length.  This includes
1291   // any items that have committed in this process, but because of cross-process
1292   // navigations, the history may have some entries that were committed in other
1293   // processes.  We won't know about them until the next navigation in this
1294   // process.
1295   int history_list_length_;
1296
1297   // The list of page IDs for each history item this RenderView knows about.
1298   // Some entries may be -1 if they were rendered by other processes or were
1299   // restored from a previous session.  This lets us detect attempts to
1300   // navigate to stale entries that have been cropped from our history.
1301   std::vector<int32> history_page_ids_;
1302
1303   // Page info -----------------------------------------------------------------
1304
1305   // The last gotten main frame's encoding.
1306   std::string last_encoding_name_;
1307
1308   // UI state ------------------------------------------------------------------
1309
1310   // The state of our target_url transmissions. When we receive a request to
1311   // send a URL to the browser, we set this to TARGET_INFLIGHT until an ACK
1312   // comes back - if a new request comes in before the ACK, we store the new
1313   // URL in pending_target_url_ and set the status to TARGET_PENDING. If an
1314   // ACK comes back and we are in TARGET_PENDING, we send the stored URL and
1315   // revert to TARGET_INFLIGHT.
1316   //
1317   // We don't need a queue of URLs to send, as only the latest is useful.
1318   enum {
1319     TARGET_NONE,
1320     TARGET_INFLIGHT,  // We have a request in-flight, waiting for an ACK
1321     TARGET_PENDING    // INFLIGHT + we have a URL waiting to be sent
1322   } target_url_status_;
1323
1324   // The URL we show the user in the status bar. We use this to determine if we
1325   // want to send a new one (we do not need to send duplicates). It will be
1326   // equal to either |mouse_over_url_| or |focus_url_|, depending on which was
1327   // updated last.
1328   GURL target_url_;
1329
1330   // The URL the user's mouse is hovering over.
1331   GURL mouse_over_url_;
1332
1333   // The URL that has keyboard focus.
1334   GURL focus_url_;
1335
1336   // The next target URL we want to send to the browser.
1337   GURL pending_target_url_;
1338
1339   // The text selection the last time DidChangeSelection got called. May contain
1340   // additional characters before and after the selected text, for IMEs. The
1341   // portion of this string that is the actual selected text starts at index
1342   // |selection_range_.GetMin() - selection_text_offset_| and has length
1343   // |selection_range_.length()|.
1344   string16 selection_text_;
1345   // The offset corresponding to the start of |selection_text_| in the document.
1346   size_t selection_text_offset_;
1347   // Range over the document corresponding to the actual selected text (which
1348   // could correspond to a substring of |selection_text_|; see above).
1349   ui::Range selection_range_;
1350
1351   // External context menu requests we're waiting for. "Internal"
1352   // (WebKit-originated) context menu events will have an ID of 0 and will not
1353   // be in this map.
1354   //
1355   // We don't want to add internal ones since some of the "special" page
1356   // handlers in the browser process just ignore the context menu requests so
1357   // avoid showing context menus, and so this will cause right clicks to leak
1358   // entries in this map. Most users of the custom context menu (e.g. Pepper
1359   // plugins) are normally only on "regular" pages and the regular pages will
1360   // always respond properly to the request, so we don't have to worry so
1361   // much about leaks.
1362   IDMap<ContextMenuClient, IDMapExternalPointer> pending_context_menus_;
1363
1364 #if defined(OS_ANDROID)
1365   // Cache the old top controls state constraints. Used when updating
1366   // current value only without altering the constraints.
1367   cc::TopControlsState top_controls_constraints_;
1368 #endif
1369
1370   // View ----------------------------------------------------------------------
1371
1372   // Cache the preferred size of the page in order to prevent sending the IPC
1373   // when layout() recomputes but doesn't actually change sizes.
1374   gfx::Size preferred_size_;
1375
1376   // Used to delay determining the preferred size (to avoid intermediate
1377   // states for the sizes).
1378   base::OneShotTimer<RenderViewImpl> check_preferred_size_timer_;
1379
1380   // These store the "is main frame is scrolled all the way to the left
1381   // or right" state that was last sent to the browser.
1382   bool cached_is_main_frame_pinned_to_left_;
1383   bool cached_is_main_frame_pinned_to_right_;
1384
1385   // These store the "has scrollbars" state last sent to the browser.
1386   bool cached_has_main_frame_horizontal_scrollbar_;
1387   bool cached_has_main_frame_vertical_scrollbar_;
1388
1389   // Helper objects ------------------------------------------------------------
1390
1391   scoped_ptr<RenderFrameImpl> main_render_frame_;
1392
1393   RendererWebCookieJarImpl cookie_jar_;
1394
1395   // The next group of objects all implement RenderViewObserver, so are deleted
1396   // along with the RenderView automatically.  This is why we just store
1397   // weak references.
1398
1399   // Holds a reference to the service which provides desktop notifications.
1400   NotificationProvider* notification_provider_;
1401
1402   // The geolocation dispatcher attached to this view, lazily initialized.
1403   GeolocationDispatcher* geolocation_dispatcher_;
1404
1405   // The speech dispatcher attached to this view, lazily initialized.
1406   InputTagSpeechDispatcher* input_tag_speech_dispatcher_;
1407
1408   // The speech recognition dispatcher attached to this view, lazily
1409   // initialized.
1410   SpeechRecognitionDispatcher* speech_recognition_dispatcher_;
1411
1412   // Device orientation dispatcher attached to this view; lazily initialized.
1413   DeviceOrientationDispatcher* device_orientation_dispatcher_;
1414
1415   // MediaStream dispatcher attached to this view; lazily initialized.
1416   MediaStreamDispatcher* media_stream_dispatcher_;
1417
1418   // BrowserPluginManager attached to this view; lazily initialized.
1419   scoped_refptr<BrowserPluginManager> browser_plugin_manager_;
1420
1421   // MediaStreamImpl attached to this view; lazily initialized.
1422   MediaStreamImpl* media_stream_impl_;
1423
1424   DevToolsAgent* devtools_agent_;
1425
1426   // The current accessibility mode.
1427   AccessibilityMode accessibility_mode_;
1428
1429   // Only valid if |accessibility_mode_| is anything other than
1430   // AccessibilityModeOff.
1431   RendererAccessibility* renderer_accessibility_;
1432
1433   // Java Bridge dispatcher attached to this view; lazily initialized.
1434   JavaBridgeDispatcher* java_bridge_dispatcher_;
1435
1436   // Mouse Lock dispatcher attached to this view.
1437   MouseLockDispatcher* mouse_lock_dispatcher_;
1438
1439 #if defined(OS_ANDROID)
1440   // Android Specific ---------------------------------------------------------
1441
1442   // The background color of the document body element. This is used as the
1443   // default background color for filling the screen areas for which we don't
1444   // have the actual content.
1445   SkColor body_background_color_;
1446
1447   // Expected id of the next content intent launched. Used to prevent scheduled
1448   // intents to be launched if aborted.
1449   size_t expected_content_intent_id_;
1450
1451   // List of click-based content detectors.
1452   typedef std::vector< linked_ptr<ContentDetector> > ContentDetectorList;
1453   ContentDetectorList content_detectors_;
1454
1455   // Proxy class for WebMediaPlayer to communicate with the real media player
1456   // objects in browser process.
1457   WebMediaPlayerProxyAndroid* media_player_proxy_;
1458
1459   // The media player manager for managing all the media players on this view.
1460   scoped_ptr<WebMediaPlayerManagerAndroid> media_player_manager_;
1461
1462   // A date/time picker object for date and time related input elements.
1463   scoped_ptr<RendererDateTimePicker> date_time_picker_client_;
1464 #endif
1465
1466   // Plugins -------------------------------------------------------------------
1467
1468   // All the currently active plugin delegates for this RenderView; kept so
1469   // that we can enumerate them to send updates about things like window
1470   // location or tab focus and visibily. These are non-owning references.
1471   std::set<WebPluginDelegateProxy*> plugin_delegates_;
1472
1473 #if defined(OS_WIN)
1474   // The ID of the focused NPAPI plug-in.
1475   int focused_plugin_id_;
1476 #endif
1477
1478   // Misc ----------------------------------------------------------------------
1479
1480   // The current and pending file chooser completion objects. If the queue is
1481   // nonempty, the first item represents the currently running file chooser
1482   // callback, and the remaining elements are the other file chooser completion
1483   // still waiting to be run (in order).
1484   struct PendingFileChooser;
1485   std::deque< linked_ptr<PendingFileChooser> > file_chooser_completions_;
1486
1487   // The current directory enumeration callback
1488   std::map<int, WebKit::WebFileChooserCompletion*> enumeration_completions_;
1489   int enumeration_completion_id_;
1490
1491   // Reports load progress to the browser.
1492   scoped_ptr<LoadProgressTracker> load_progress_tracker_;
1493
1494   // The SessionStorage namespace that we're assigned to has an ID, and that ID
1495   // is passed to us upon creation.  WebKit asks for this ID upon first use and
1496   // uses it whenever asking the browser process to allocate new storage areas.
1497   int64 session_storage_namespace_id_;
1498
1499   // The total number of unrequested popups that exist and can be followed back
1500   // to a common opener. This count is shared among all RenderViews created with
1501   // createView(). All popups are treated as unrequested until specifically
1502   // instructed otherwise by the Browser process.
1503   scoped_refptr<SharedRenderViewCounter> shared_popup_counter_;
1504
1505   // Whether this is a top level window (instead of a popup). Top level windows
1506   // shouldn't count against their own |shared_popup_counter_|.
1507   bool decrement_shared_popup_at_destruction_;
1508
1509   // Stores edit commands associated to the next key event.
1510   // Shall be cleared as soon as the next key event is processed.
1511   EditCommands edit_commands_;
1512
1513   // The external popup for the currently showing select popup.
1514   scoped_ptr<ExternalPopupMenu> external_popup_menu_;
1515
1516   // The node that the context menu was pressed over.
1517   WebKit::WebNode context_menu_node_;
1518
1519   // All the registered observers.  We expect this list to be small, so vector
1520   // is fine.
1521   ObserverList<RenderViewObserver> observers_;
1522
1523   // Used to inform didChangeSelection() when it is called in the context
1524   // of handling a InputMsg_SelectRange IPC.
1525   bool handling_select_range_;
1526
1527   // Wraps the |webwidget_| as a MouseLockDispatcher::LockTarget interface.
1528   scoped_ptr<MouseLockDispatcher::LockTarget> webwidget_mouse_lock_target_;
1529
1530   // State associated with the GetWindowSnapshot function.
1531   int next_snapshot_id_;
1532   typedef std::map<int, WindowSnapshotCallback>
1533       PendingSnapshotMap;
1534   PendingSnapshotMap pending_snapshots_;
1535
1536   // Allows to selectively disable partial buffer swap for this renderer's
1537   // compositor.
1538   bool allow_partial_swap_;
1539
1540   // Allows JS to access DOM automation. The JS object is only exposed when the
1541   // DOM automation bindings are enabled.
1542   scoped_ptr<DomAutomationController> dom_automation_controller_;
1543
1544    // Allows JS to read out a variety of internal various metrics. The JS object
1545    // is only exposed when the stats collection bindings are enabled.
1546    scoped_ptr<StatsCollectionController> stats_collection_controller_;
1547
1548   // This field stores drag/drop related info for the event that is currently
1549   // being handled. If the current event results in starting a drag/drop
1550   // session, this info is sent to the browser along with other drag/drop info.
1551   DragEventSourceInfo possible_drag_event_info_;
1552
1553   // NOTE: pepper_helper_ and stats_collection_observer_ should be the last
1554   // members because their constructors call the AddObservers method of
1555   // RenderViewImpl.
1556   scoped_ptr<RenderViewPepperHelper> pepper_helper_;
1557   scoped_ptr<StatsCollectionObserver> stats_collection_observer_;
1558
1559   ui::MenuSourceType context_menu_source_type_;
1560   gfx::Point touch_editing_context_menu_location_;
1561
1562   // ---------------------------------------------------------------------------
1563   // ADDING NEW DATA? Please see if it fits appropriately in one of the above
1564   // sections rather than throwing it randomly at the end. If you're adding a
1565   // bunch of stuff, you should probably create a helper class and put your
1566   // data and methods on that to avoid bloating RenderView more.  You can
1567   // use the Observer interface to filter IPC messages and receive frame change
1568   // notifications.
1569   // ---------------------------------------------------------------------------
1570
1571   DISALLOW_COPY_AND_ASSIGN(RenderViewImpl);
1572 };
1573
1574 }  // namespace content
1575
1576 #endif  // CONTENT_RENDERER_RENDER_VIEW_IMPL_H_