1 // Copyright 2013 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.
5 #ifndef CONTENT_RENDERER_RENDER_FRAME_IMPL_H_
6 #define CONTENT_RENDERER_RENDER_FRAME_IMPL_H_
10 #include "base/basictypes.h"
11 #include "base/files/file_path.h"
12 #include "base/gtest_prod_util.h"
13 #include "base/id_map.h"
14 #include "base/memory/weak_ptr.h"
15 #include "base/observer_list.h"
16 #include "base/process/process_handle.h"
17 #include "content/public/common/javascript_message_type.h"
18 #include "content/public/common/referrer.h"
19 #include "content/public/renderer/render_frame.h"
20 #include "content/renderer/media/webmediaplayer_delegate.h"
21 #include "content/renderer/renderer_webcookiejar_impl.h"
22 #include "ipc/ipc_message.h"
23 #include "third_party/WebKit/public/web/WebDataSource.h"
24 #include "third_party/WebKit/public/web/WebFrameClient.h"
25 #include "third_party/WebKit/public/web/WebHistoryCommitType.h"
26 #include "ui/gfx/range/range.h"
29 struct FrameMsg_BuffersSwapped_Params
;
30 struct FrameMsg_CompositorFrameSwapped_Params
;
31 struct FrameMsg_Navigate_Params
;
34 class WebGeolocationClient
;
37 class WebContentDecryptionModule
;
40 class WebNotificationPresenter
;
41 class WebSecurityOrigin
;
42 struct WebCompositionUnderline
;
43 struct WebContextMenuData
;
55 class ChildFrameCompositingHelper
;
56 class MediaStreamClient
;
57 class NotificationProvider
;
58 class PepperPluginInstanceImpl
;
59 class RendererPpapiHost
;
60 class RenderFrameObserver
;
63 class RenderWidgetFullscreenPepper
;
64 struct CustomContextMenuContext
;
66 class CONTENT_EXPORT RenderFrameImpl
68 NON_EXPORTED_BASE(public blink::WebFrameClient
),
69 NON_EXPORTED_BASE(public WebMediaPlayerDelegate
) {
71 // Creates a new RenderFrame. |render_view| is the RenderView object that this
73 // Callers *must* call |SetWebFrame| immediately after creation.
74 // TODO(creis): We should structure this so that |SetWebFrame| isn't needed.
75 static RenderFrameImpl
* Create(RenderViewImpl
* render_view
, int32 routing_id
);
77 // Just like RenderFrame::FromWebFrame but returns the implementation.
78 static RenderFrameImpl
* FromWebFrame(blink::WebFrame
* web_frame
);
80 // Used by content_layouttest_support to hook into the creation of
82 static void InstallCreateHook(
83 RenderFrameImpl
* (*create_render_frame_impl
)(RenderViewImpl
*, int32
));
85 virtual ~RenderFrameImpl();
87 bool is_swapped_out() const {
88 return is_swapped_out_
;
91 // Out-of-process child frames receive a signal from RenderWidgetCompositor
92 // when a compositor frame has committed.
93 void DidCommitCompositorFrame();
95 // TODO(jam): this is a temporary getter until all the code is transitioned
96 // to using RenderFrame instead of RenderView.
97 RenderViewImpl
* render_view() { return render_view_
.get(); }
99 RendererWebCookieJarImpl
* cookie_jar() { return &cookie_jar_
; }
101 // Returns the RenderWidget associated with this frame.
102 RenderWidget
* GetRenderWidget();
104 // This is called right after creation with the WebLocalFrame for this
105 // RenderFrame. It must be called before Initialize.
106 void SetWebFrame(blink::WebLocalFrame
* web_frame
);
108 // This method must be called after the frame has been added to the frame
109 // tree. It creates all objects that depend on the frame being at its proper
113 // Notification from RenderView.
114 virtual void OnStop();
116 // Start/Stop loading notifications.
117 // TODO(nasko): Those are page-level methods at this time and come from
118 // WebViewClient. We should move them to be WebFrameClient calls and put
119 // logic in the browser side to balance starts/stops.
120 // |to_different_document| will be true unless the load is a fragment
121 // navigation, or triggered by history.pushState/replaceState.
122 virtual void didStartLoading(bool to_different_document
);
123 virtual void didStopLoading();
124 virtual void didChangeLoadProgress(double load_progress
);
126 #if defined(ENABLE_PLUGINS)
127 // Notification that a PPAPI plugin has been created.
128 void PepperPluginCreated(RendererPpapiHost
* host
);
130 // Notifies that |instance| has changed the cursor.
131 // This will update the cursor appearance if it is currently over the plugin
133 void PepperDidChangeCursor(PepperPluginInstanceImpl
* instance
,
134 const blink::WebCursorInfo
& cursor
);
136 // Notifies that |instance| has received a mouse event.
137 void PepperDidReceiveMouseEvent(PepperPluginInstanceImpl
* instance
);
139 // Informs the render view that a PPAPI plugin has changed text input status.
140 void PepperTextInputTypeChanged(PepperPluginInstanceImpl
* instance
);
141 void PepperCaretPositionChanged(PepperPluginInstanceImpl
* instance
);
143 // Cancels current composition.
144 void PepperCancelComposition(PepperPluginInstanceImpl
* instance
);
146 // Informs the render view that a PPAPI plugin has changed selection.
147 void PepperSelectionChanged(PepperPluginInstanceImpl
* instance
);
149 // Creates a fullscreen container for a pepper plugin instance.
150 RenderWidgetFullscreenPepper
* CreatePepperFullscreenContainer(
151 PepperPluginInstanceImpl
* plugin
);
153 bool IsPepperAcceptingCompositionEvents() const;
155 // Notification that the given plugin has crashed.
156 void PluginCrashed(const base::FilePath
& plugin_path
,
157 base::ProcessId plugin_pid
);
159 // Simulates IME events for testing purpose.
160 void SimulateImeSetComposition(
161 const base::string16
& text
,
162 const std::vector
<blink::WebCompositionUnderline
>& underlines
,
165 void SimulateImeConfirmComposition(const base::string16
& text
,
166 const gfx::Range
& replacement_range
);
168 // TODO(jam): remove these once the IPC handler moves from RenderView to
170 void OnImeSetComposition(
171 const base::string16
& text
,
172 const std::vector
<blink::WebCompositionUnderline
>& underlines
,
175 void OnImeConfirmComposition(
176 const base::string16
& text
,
177 const gfx::Range
& replacement_range
,
178 bool keep_selection
);
179 #endif // ENABLE_PLUGINS
181 // Overrides the MediaStreamClient used when creating MediaStream players.
182 // Must be called before any players are created.
183 void SetMediaStreamClientForTesting(MediaStreamClient
* media_stream_client
);
186 virtual bool Send(IPC::Message
* msg
) OVERRIDE
;
189 virtual bool OnMessageReceived(const IPC::Message
& msg
) OVERRIDE
;
191 // RenderFrame implementation:
192 virtual RenderView
* GetRenderView() OVERRIDE
;
193 virtual int GetRoutingID() OVERRIDE
;
194 virtual blink::WebFrame
* GetWebFrame() OVERRIDE
;
195 virtual WebPreferences
& GetWebkitPreferences() OVERRIDE
;
196 virtual int ShowContextMenu(ContextMenuClient
* client
,
197 const ContextMenuParams
& params
) OVERRIDE
;
198 virtual void CancelContextMenu(int request_id
) OVERRIDE
;
199 virtual blink::WebNode
GetContextMenuNode() const OVERRIDE
;
200 virtual blink::WebPlugin
* CreatePlugin(
201 blink::WebFrame
* frame
,
202 const WebPluginInfo
& info
,
203 const blink::WebPluginParams
& params
) OVERRIDE
;
204 virtual void LoadURLExternally(blink::WebLocalFrame
* frame
,
205 const blink::WebURLRequest
& request
,
206 blink::WebNavigationPolicy policy
) OVERRIDE
;
207 virtual void ExecuteJavaScript(const base::string16
& javascript
) OVERRIDE
;
209 // blink::WebFrameClient implementation:
210 virtual blink::WebPlugin
* createPlugin(blink::WebLocalFrame
* frame
,
211 const blink::WebPluginParams
& params
);
212 virtual blink::WebMediaPlayer
* createMediaPlayer(
213 blink::WebLocalFrame
* frame
,
214 const blink::WebURL
& url
,
215 blink::WebMediaPlayerClient
* client
);
216 virtual blink::WebContentDecryptionModule
* createContentDecryptionModule(
217 blink::WebLocalFrame
* frame
,
218 const blink::WebSecurityOrigin
& security_origin
,
219 const blink::WebString
& key_system
);
220 virtual blink::WebApplicationCacheHost
* createApplicationCacheHost(
221 blink::WebLocalFrame
* frame
,
222 blink::WebApplicationCacheHostClient
* client
);
223 virtual blink::WebWorkerPermissionClientProxy
*
224 createWorkerPermissionClientProxy(blink::WebLocalFrame
* frame
);
225 virtual blink::WebCookieJar
* cookieJar(blink::WebLocalFrame
* frame
);
226 virtual blink::WebServiceWorkerProvider
* createServiceWorkerProvider(
227 blink::WebLocalFrame
* frame
);
228 virtual void didAccessInitialDocument(blink::WebLocalFrame
* frame
);
229 virtual blink::WebFrame
* createChildFrame(blink::WebLocalFrame
* parent
,
230 const blink::WebString
& name
);
231 virtual void didDisownOpener(blink::WebLocalFrame
* frame
);
232 virtual void frameDetached(blink::WebFrame
* frame
);
233 virtual void frameFocused();
234 virtual void willClose(blink::WebFrame
* frame
);
235 virtual void didChangeName(blink::WebLocalFrame
* frame
,
236 const blink::WebString
& name
);
237 virtual void didMatchCSS(
238 blink::WebLocalFrame
* frame
,
239 const blink::WebVector
<blink::WebString
>& newly_matching_selectors
,
240 const blink::WebVector
<blink::WebString
>& stopped_matching_selectors
);
241 virtual bool shouldReportDetailedMessageForSource(
242 const blink::WebString
& source
);
243 virtual void didAddMessageToConsole(const blink::WebConsoleMessage
& message
,
244 const blink::WebString
& source_name
,
245 unsigned source_line
,
246 const blink::WebString
& stack_trace
);
247 virtual void loadURLExternally(blink::WebLocalFrame
* frame
,
248 const blink::WebURLRequest
& request
,
249 blink::WebNavigationPolicy policy
,
250 const blink::WebString
& suggested_name
);
251 // The WebDataSource::ExtraData* is assumed to be a DocumentState* subclass.
252 virtual blink::WebNavigationPolicy
decidePolicyForNavigation(
253 blink::WebLocalFrame
* frame
,
254 blink::WebDataSource::ExtraData
* extra_data
,
255 const blink::WebURLRequest
& request
,
256 blink::WebNavigationType type
,
257 blink::WebNavigationPolicy default_policy
,
259 virtual blink::WebHistoryItem
historyItemForNewChildFrame(
260 blink::WebFrame
* frame
);
261 virtual void willSendSubmitEvent(blink::WebLocalFrame
* frame
,
262 const blink::WebFormElement
& form
);
263 virtual void willSubmitForm(blink::WebLocalFrame
* frame
,
264 const blink::WebFormElement
& form
);
265 virtual void didCreateDataSource(blink::WebLocalFrame
* frame
,
266 blink::WebDataSource
* datasource
);
267 virtual void didStartProvisionalLoad(blink::WebLocalFrame
* frame
);
268 virtual void didReceiveServerRedirectForProvisionalLoad(
269 blink::WebLocalFrame
* frame
);
270 virtual void didFailProvisionalLoad(
271 blink::WebLocalFrame
* frame
,
272 const blink::WebURLError
& error
);
273 virtual void didCommitProvisionalLoad(
274 blink::WebLocalFrame
* frame
,
275 const blink::WebHistoryItem
& item
,
276 blink::WebHistoryCommitType commit_type
);
277 virtual void didClearWindowObject(blink::WebLocalFrame
* frame
, int world_id
);
278 virtual void didCreateDocumentElement(blink::WebLocalFrame
* frame
);
279 virtual void didReceiveTitle(blink::WebLocalFrame
* frame
,
280 const blink::WebString
& title
,
281 blink::WebTextDirection direction
);
282 virtual void didChangeIcon(blink::WebLocalFrame
* frame
,
283 blink::WebIconURL::Type icon_type
);
284 virtual void didFinishDocumentLoad(blink::WebLocalFrame
* frame
);
285 virtual void didHandleOnloadEvents(blink::WebLocalFrame
* frame
);
286 virtual void didFailLoad(blink::WebLocalFrame
* frame
,
287 const blink::WebURLError
& error
);
288 virtual void didFinishLoad(blink::WebLocalFrame
* frame
);
289 virtual void didNavigateWithinPage(blink::WebLocalFrame
* frame
,
290 const blink::WebHistoryItem
& item
,
291 blink::WebHistoryCommitType commit_type
);
292 virtual void didUpdateCurrentHistoryItem(blink::WebLocalFrame
* frame
);
293 virtual blink::WebNotificationPresenter
* notificationPresenter();
294 virtual void didChangeSelection(bool is_empty_selection
);
295 virtual blink::WebColorChooser
* createColorChooser(
296 blink::WebColorChooserClient
* client
,
297 const blink::WebColor
& initial_color
,
298 const blink::WebVector
<blink::WebColorSuggestion
>& suggestions
);
299 virtual void runModalAlertDialog(const blink::WebString
& message
);
300 virtual bool runModalConfirmDialog(const blink::WebString
& message
);
301 virtual bool runModalPromptDialog(const blink::WebString
& message
,
302 const blink::WebString
& default_value
,
303 blink::WebString
* actual_value
);
304 virtual bool runModalBeforeUnloadDialog(bool is_reload
,
305 const blink::WebString
& message
);
306 virtual void showContextMenu(const blink::WebContextMenuData
& data
);
307 virtual void clearContextMenu();
308 virtual void willRequestAfterPreconnect(blink::WebLocalFrame
* frame
,
309 blink::WebURLRequest
& request
);
310 virtual void willSendRequest(blink::WebLocalFrame
* frame
,
312 blink::WebURLRequest
& request
,
313 const blink::WebURLResponse
& redirect_response
);
314 virtual void didReceiveResponse(blink::WebLocalFrame
* frame
,
316 const blink::WebURLResponse
& response
);
317 virtual void didFinishResourceLoad(blink::WebLocalFrame
* frame
,
318 unsigned identifier
);
319 virtual void didLoadResourceFromMemoryCache(
320 blink::WebLocalFrame
* frame
,
321 const blink::WebURLRequest
& request
,
322 const blink::WebURLResponse
& response
);
323 virtual void didDisplayInsecureContent(blink::WebLocalFrame
* frame
);
324 virtual void didRunInsecureContent(blink::WebLocalFrame
* frame
,
325 const blink::WebSecurityOrigin
& origin
,
326 const blink::WebURL
& target
);
327 virtual void didAbortLoading(blink::WebLocalFrame
* frame
);
328 virtual void didCreateScriptContext(blink::WebLocalFrame
* frame
,
329 v8::Handle
<v8::Context
> context
,
332 virtual void willReleaseScriptContext(blink::WebLocalFrame
* frame
,
333 v8::Handle
<v8::Context
> context
,
335 virtual void didFirstVisuallyNonEmptyLayout(blink::WebLocalFrame
* frame
);
336 virtual void didChangeContentsSize(blink::WebLocalFrame
* frame
,
337 const blink::WebSize
& size
);
338 virtual void didChangeScrollOffset(blink::WebLocalFrame
* frame
);
339 virtual void willInsertBody(blink::WebLocalFrame
* frame
);
340 virtual void reportFindInPageMatchCount(int request_id
,
343 virtual void reportFindInPageSelection(int request_id
,
344 int active_match_ordinal
,
345 const blink::WebRect
& sel
);
346 virtual void requestStorageQuota(blink::WebLocalFrame
* frame
,
347 blink::WebStorageQuotaType type
,
348 unsigned long long requested_size
,
349 blink::WebStorageQuotaCallbacks callbacks
);
350 virtual void willOpenSocketStream(
351 blink::WebSocketStreamHandle
* handle
);
352 virtual blink::WebGeolocationClient
* geolocationClient();
353 virtual void willStartUsingPeerConnectionHandler(
354 blink::WebLocalFrame
* frame
,
355 blink::WebRTCPeerConnectionHandler
* handler
);
356 virtual blink::WebUserMediaClient
* userMediaClient();
357 virtual blink::WebMIDIClient
* webMIDIClient();
358 virtual bool willCheckAndDispatchMessageEvent(
359 blink::WebLocalFrame
* sourceFrame
,
360 blink::WebFrame
* targetFrame
,
361 blink::WebSecurityOrigin targetOrigin
,
362 blink::WebDOMMessageEvent event
);
363 virtual blink::WebString
userAgentOverride(blink::WebLocalFrame
* frame
,
364 const blink::WebURL
& url
);
365 virtual blink::WebString
doNotTrackValue(blink::WebLocalFrame
* frame
);
366 virtual bool allowWebGL(blink::WebLocalFrame
* frame
, bool default_value
);
367 virtual void didLoseWebGLContext(blink::WebLocalFrame
* frame
,
368 int arb_robustness_status_code
);
369 virtual void forwardInputEvent(const blink::WebInputEvent
* event
);
370 virtual void initializeChildFrame(const blink::WebRect
& frame_rect
,
373 // WebMediaPlayerDelegate implementation:
374 virtual void DidPlay(blink::WebMediaPlayer
* player
) OVERRIDE
;
375 virtual void DidPause(blink::WebMediaPlayer
* player
) OVERRIDE
;
376 virtual void PlayerGone(blink::WebMediaPlayer
* player
) OVERRIDE
;
378 // TODO(nasko): Make all tests in RenderViewImplTest friends and then move
379 // this back to private member.
380 void OnNavigate(const FrameMsg_Navigate_Params
& params
);
383 RenderFrameImpl(RenderViewImpl
* render_view
, int32 routing_id
);
386 friend class RenderFrameObserver
;
387 FRIEND_TEST_ALL_PREFIXES(RendererAccessibilityTest
,
388 AccessibilityMessagesQueueWhileSwappedOut
);
389 FRIEND_TEST_ALL_PREFIXES(RenderFrameImplTest
,
390 ShouldUpdateSelectionTextFromContextMenuParams
);
391 FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest
,
392 OnExtendSelectionAndDelete
);
393 FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest
, ReloadWhileSwappedOut
);
394 FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest
, SendSwapOutACK
);
395 FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest
,
396 SetEditableSelectionAndComposition
);
398 typedef std::map
<GURL
, double> HostZoomLevels
;
400 // Functions to add and remove observers for this object.
401 void AddObserver(RenderFrameObserver
* observer
);
402 void RemoveObserver(RenderFrameObserver
* observer
);
404 void UpdateURL(blink::WebFrame
* frame
);
406 // Gets the focused element. If no such element exists then the element will
408 blink::WebElement
GetFocusedElement();
410 // IPC message handlers ------------------------------------------------------
412 // The documentation for these functions should be in
413 // content/common/*_messages.h for the message that the function is handling.
414 void OnBeforeUnload();
416 void OnChildFrameProcessGone();
417 void OnBuffersSwapped(const FrameMsg_BuffersSwapped_Params
& params
);
418 void OnCompositorFrameSwapped(const IPC::Message
& message
);
419 void OnShowContextMenu(const gfx::Point
& location
);
420 void OnContextMenuClosed(const CustomContextMenuContext
& custom_context
);
421 void OnCustomContextMenuAction(const CustomContextMenuContext
& custom_context
,
428 void OnPasteAndMatchStyle();
431 void OnSelectRange(const gfx::Point
& start
, const gfx::Point
& end
);
433 void OnReplace(const base::string16
& text
);
434 void OnReplaceMisspelling(const base::string16
& text
);
435 void OnCSSInsertRequest(const std::string
& css
);
436 void OnJavaScriptExecuteRequest(const base::string16
& javascript
,
439 void OnSetEditableSelectionOffsets(int start
, int end
);
440 void OnSetCompositionFromExistingText(
442 const std::vector
<blink::WebCompositionUnderline
>& underlines
);
443 void OnExtendSelectionAndDelete(int before
, int after
);
444 void OnReload(bool ignore_cache
);
445 #if defined(OS_MACOSX)
446 void OnCopyToFindPboard();
449 // Virtual since overridden by WebTestProxy for layout tests.
450 virtual blink::WebNavigationPolicy
DecidePolicyForNavigation(
451 RenderFrame
* render_frame
,
452 blink::WebFrame
* frame
,
453 blink::WebDataSource::ExtraData
* extraData
,
454 const blink::WebURLRequest
& request
,
455 blink::WebNavigationType type
,
456 blink::WebNavigationPolicy default_policy
,
458 void OpenURL(blink::WebFrame
* frame
,
460 const Referrer
& referrer
,
461 blink::WebNavigationPolicy policy
);
463 // Dispatches the current state of selection on the webpage to the browser if
465 // TODO(varunjain): delete this method once we figure out how to keep
466 // selection handles in sync with the webpage.
467 void SyncSelectionIfRequired();
469 // Returns whether |params.selection_text| should be synchronized to the
470 // browser before bringing up the context menu. Static for testing.
471 static bool ShouldUpdateSelectionTextFromContextMenuParams(
472 const base::string16
& selection_text
,
473 size_t selection_text_offset
,
474 const gfx::Range
& selection_range
,
475 const ContextMenuParams
& params
);
477 bool RunJavaScriptMessage(JavaScriptMessageType type
,
478 const base::string16
& message
,
479 const base::string16
& default_value
,
480 const GURL
& frame_url
,
481 base::string16
* result
);
483 // Loads the appropriate error page for the specified failure into the frame.
484 void LoadNavigationErrorPage(const blink::WebURLRequest
& failed_request
,
485 const blink::WebURLError
& error
,
488 // Initializes |media_stream_client_|, returning true if successful. Returns
489 // false if it wasn't possible to create a MediaStreamClient (e.g., WebRTC is
490 // disabled) in which case |media_stream_client_| is NULL.
491 bool InitializeMediaStreamClient();
493 blink::WebMediaPlayer
* CreateWebMediaPlayerForMediaStream(
494 const blink::WebURL
& url
,
495 blink::WebMediaPlayerClient
* client
);
497 #if defined(OS_ANDROID)
498 blink::WebMediaPlayer
* CreateAndroidWebMediaPlayer(
499 const blink::WebURL
& url
,
500 blink::WebMediaPlayerClient
* client
);
503 // Stores the WebLocalFrame we are associated with.
504 blink::WebLocalFrame
* frame_
;
506 base::WeakPtr
<RenderViewImpl
> render_view_
;
508 bool is_swapped_out_
;
511 #if defined(ENABLE_PLUGINS)
512 // Current text input composition text. Empty if no composition is in
514 base::string16 pepper_composition_text_
;
517 RendererWebCookieJarImpl cookie_jar_
;
519 // All the registered observers.
520 ObserverList
<RenderFrameObserver
> observers_
;
522 scoped_refptr
<ChildFrameCompositingHelper
> compositing_helper_
;
524 // The node that the context menu was pressed over.
525 blink::WebNode context_menu_node_
;
527 // External context menu requests we're waiting for. "Internal"
528 // (WebKit-originated) context menu events will have an ID of 0 and will not
531 // We don't want to add internal ones since some of the "special" page
532 // handlers in the browser process just ignore the context menu requests so
533 // avoid showing context menus, and so this will cause right clicks to leak
534 // entries in this map. Most users of the custom context menu (e.g. Pepper
535 // plugins) are normally only on "regular" pages and the regular pages will
536 // always respond properly to the request, so we don't have to worry so
538 IDMap
<ContextMenuClient
, IDMapExternalPointer
> pending_context_menus_
;
540 // The text selection the last time DidChangeSelection got called. May contain
541 // additional characters before and after the selected text, for IMEs. The
542 // portion of this string that is the actual selected text starts at index
543 // |selection_range_.GetMin() - selection_text_offset_| and has length
544 // |selection_range_.length()|.
545 base::string16 selection_text_
;
546 // The offset corresponding to the start of |selection_text_| in the document.
547 size_t selection_text_offset_
;
548 // Range over the document corresponding to the actual selected text (which
549 // could correspond to a substring of |selection_text_|; see above).
550 gfx::Range selection_range_
;
551 // Used to inform didChangeSelection() when it is called in the context
552 // of handling a InputMsg_SelectRange IPC.
553 bool handling_select_range_
;
555 // The next group of objects all implement RenderFrameObserver, so are deleted
556 // along with the RenderFrame automatically. This is why we just store weak
559 // Holds a reference to the service which provides desktop notifications.
560 NotificationProvider
* notification_provider_
;
562 // MediaStreamClient attached to this frame; lazily initialized.
563 MediaStreamClient
* media_stream_client_
;
564 blink::WebUserMediaClient
* web_user_media_client_
;
566 base::WeakPtrFactory
<RenderFrameImpl
> weak_factory_
;
568 DISALLOW_COPY_AND_ASSIGN(RenderFrameImpl
);
571 } // namespace content
573 #endif // CONTENT_RENDERER_RENDER_FRAME_IMPL_H_