content/common/plugin_messages.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 // Multiply-included message file, hence no include guard.
   6
   7 #include "build/build_config.h"
   8 #include "content/common/content_export.h"
   9 #include "content/common/content_param_traits.h"
  10 #include "content/public/common/common_param_traits.h"
  11 #include "ipc/ipc_channel_handle.h"
  12 #include "ipc/ipc_message_macros.h"
  13 #include "ui/gfx/native_widget_types.h"
  14 #include "ui/gfx/rect.h"
  15 #include "webkit/glue/webcursor.h"
  16
  17 #if defined(OS_POSIX)
  18 #include "base/file_descriptor_posix.h"
  19 #endif
  20
  21 #undef IPC_MESSAGE_EXPORT
  22 #define IPC_MESSAGE_EXPORT CONTENT_EXPORT
  23
  24 #define IPC_MESSAGE_START PluginMsgStart
  25
  26 IPC_STRUCT_BEGIN(PluginMsg_Init_Params)
  27   IPC_STRUCT_MEMBER(GURL,  url)
  28   IPC_STRUCT_MEMBER(GURL,  page_url)
  29   IPC_STRUCT_MEMBER(std::vector<std::string>, arg_names)
  30   IPC_STRUCT_MEMBER(std::vector<std::string>, arg_values)
  31   IPC_STRUCT_MEMBER(bool, load_manually)
  32   IPC_STRUCT_MEMBER(int, host_render_view_routing_id)
  33 IPC_STRUCT_END()
  34
  35 IPC_STRUCT_BEGIN(PluginHostMsg_URLRequest_Params)
  36   IPC_STRUCT_MEMBER(std::string, url)
  37   IPC_STRUCT_MEMBER(std::string, method)
  38   IPC_STRUCT_MEMBER(std::string, target)
  39   IPC_STRUCT_MEMBER(std::vector<char>, buffer)
  40   IPC_STRUCT_MEMBER(int, notify_id)
  41   IPC_STRUCT_MEMBER(bool, popups_allowed)
  42   IPC_STRUCT_MEMBER(bool, notify_redirects)
  43 IPC_STRUCT_END()
  44
  45 IPC_STRUCT_BEGIN(PluginMsg_DidReceiveResponseParams)
  46   IPC_STRUCT_MEMBER(unsigned long, id)
  47   IPC_STRUCT_MEMBER(std::string, mime_type)
  48   IPC_STRUCT_MEMBER(std::string, headers)
  49   IPC_STRUCT_MEMBER(uint32, expected_length)
  50   IPC_STRUCT_MEMBER(uint32, last_modified)
  51   IPC_STRUCT_MEMBER(bool, request_is_seekable)
  52 IPC_STRUCT_END()
  53
  54 IPC_STRUCT_BEGIN(PluginMsg_UpdateGeometry_Param)
  55   IPC_STRUCT_MEMBER(gfx::Rect, window_rect)
  56   IPC_STRUCT_MEMBER(gfx::Rect, clip_rect)
  57   IPC_STRUCT_MEMBER(TransportDIB::Handle, windowless_buffer0)
  58   IPC_STRUCT_MEMBER(TransportDIB::Handle, windowless_buffer1)
  59   IPC_STRUCT_MEMBER(int, windowless_buffer_index)
  60 IPC_STRUCT_END()
  61
  62 //-----------------------------------------------------------------------------
  63 // PluginProcess messages
  64 // These are messages sent from the browser to the plugin process.
  65 // Tells the plugin process to create a new channel for communication with a
  66 // given renderer.  The channel name is returned in a
  67 // PluginProcessHostMsg_ChannelCreated message.  The renderer ID is passed so
  68 // that the plugin process reuses an existing channel to that process if it
  69 // exists. This ID is a unique opaque identifier generated by the browser
  70 // process.
  71 IPC_MESSAGE_CONTROL2(PluginProcessMsg_CreateChannel,
  72                      int /* renderer_id */,
  73                      bool /* off_the_record */)
  74
  75 // Tells the plugin process to notify every connected renderer of the pending
  76 // shutdown, so we don't mistake it for a crash.
  77 IPC_MESSAGE_CONTROL0(PluginProcessMsg_NotifyRenderersOfPendingShutdown)
  78
  79
  80 //-----------------------------------------------------------------------------
  81 // PluginProcessHost messages
  82 // These are messages sent from the plugin process to the browser process.
  83 // Response to a PluginProcessMsg_CreateChannel message.
  84 IPC_MESSAGE_CONTROL1(PluginProcessHostMsg_ChannelCreated,
  85                      IPC::ChannelHandle /* channel_handle */)
  86
  87 #if defined(OS_WIN)
  88 // Destroys the given window's parent on the UI thread.
  89 IPC_MESSAGE_CONTROL2(PluginProcessHostMsg_PluginWindowDestroyed,
  90                      HWND /* window */,
  91                      HWND /* parent */)
  92 #endif
  93
  94 #if defined(USE_X11)
  95 // On X11, the mapping between NativeViewId and X window ids
  96 // is known only to the browser.  This message lets the plugin process
  97 // ask about a NativeViewId that was provided by the renderer.
  98 // It will get 0 back if it's a bogus input.
  99 IPC_SYNC_MESSAGE_CONTROL1_1(PluginProcessHostMsg_MapNativeViewId,
 100                            gfx::NativeViewId /* input: native view id */,
 101                            gfx::PluginWindowHandle /* output: X window id */)
 102 #endif
 103
 104 #if defined(OS_MACOSX)
 105 // On Mac OS X, we need the browser to keep track of plugin windows so
 106 // that it can add and remove them from stacking groups, hide and show the
 107 // menu bar, etc.  We pass the window rect for convenience so that the
 108 // browser can easily tell if the window is fullscreen.
 109
 110 // Notifies the browser that the plugin has selected a window (i.e., brought
 111 // it to the front and wants it to have keyboard focus).
 112 IPC_MESSAGE_CONTROL3(PluginProcessHostMsg_PluginSelectWindow,
 113                      uint32 /* window ID */,
 114                      gfx::Rect /* window rect */,
 115                      bool /* modal */)
 116
 117 // Notifies the browser that the plugin has shown a window.
 118 IPC_MESSAGE_CONTROL3(PluginProcessHostMsg_PluginShowWindow,
 119                      uint32 /* window ID */,
 120                      gfx::Rect /* window rect */,
 121                      bool /* modal */)
 122
 123 // Notifies the browser that the plugin has hidden a window.
 124 IPC_MESSAGE_CONTROL2(PluginProcessHostMsg_PluginHideWindow,
 125                      uint32 /* window ID */,
 126                      gfx::Rect /* window rect */)
 127
 128 // Notifies the browser that a plugin instance has requested a cursor
 129 // visibility change.
 130 IPC_MESSAGE_CONTROL1(PluginProcessHostMsg_PluginSetCursorVisibility,
 131                      bool /* cursor visibility */)
 132 #endif
 133
 134
 135 //-----------------------------------------------------------------------------
 136 // Plugin messages
 137 // These are messages sent from the renderer process to the plugin process.
 138 // Tells the plugin process to create a new plugin instance with the given
 139 // id.  A corresponding WebPluginDelegateStub is created which hosts the
 140 // WebPluginDelegateImpl.
 141 IPC_SYNC_MESSAGE_CONTROL1_1(PluginMsg_CreateInstance,
 142                             std::string /* mime_type */,
 143                             int /* instance_id */)
 144
 145 // The WebPluginDelegateProxy sends this to the WebPluginDelegateStub in its
 146 // destructor, so that the stub deletes the actual WebPluginDelegateImpl
 147 // object that it's hosting.
 148 IPC_SYNC_MESSAGE_CONTROL1_0(PluginMsg_DestroyInstance,
 149                             int /* instance_id */)
 150
 151 IPC_SYNC_MESSAGE_CONTROL0_1(PluginMsg_GenerateRouteID,
 152                            int /* id */)
 153
 154 // The messages below all map to WebPluginDelegate methods.
 155 IPC_SYNC_MESSAGE_ROUTED1_1(PluginMsg_Init,
 156                            PluginMsg_Init_Params,
 157                            bool /* result */)
 158
 159 // Used to synchronously request a paint for windowless plugins.
 160 IPC_SYNC_MESSAGE_ROUTED1_0(PluginMsg_Paint,
 161                            gfx::Rect /* damaged_rect */)
 162
 163 // Sent by the renderer after it paints from its backing store so that the
 164 // plugin knows it can send more invalidates.
 165 IPC_MESSAGE_ROUTED0(PluginMsg_DidPaint)
 166
 167 IPC_SYNC_MESSAGE_ROUTED0_1(PluginMsg_GetPluginScriptableObject,
 168                            int /* route_id */)
 169
 170 // Gets the form value of the plugin instance synchronously.
 171 IPC_SYNC_MESSAGE_ROUTED0_2(PluginMsg_GetFormValue,
 172                            string16 /* value */,
 173                            bool /* success */)
 174
 175 IPC_MESSAGE_ROUTED3(PluginMsg_DidFinishLoadWithReason,
 176                     GURL /* url */,
 177                     int /* reason */,
 178                     int /* notify_id */)
 179
 180 // Updates the plugin location.
 181 IPC_MESSAGE_ROUTED1(PluginMsg_UpdateGeometry,
 182                     PluginMsg_UpdateGeometry_Param)
 183
 184 // A synchronous version of above.
 185 IPC_SYNC_MESSAGE_ROUTED1_0(PluginMsg_UpdateGeometrySync,
 186                            PluginMsg_UpdateGeometry_Param)
 187
 188 IPC_SYNC_MESSAGE_ROUTED1_0(PluginMsg_SetFocus,
 189                            bool /* focused */)
 190
 191 IPC_SYNC_MESSAGE_ROUTED1_2(PluginMsg_HandleInputEvent,
 192                            IPC::WebInputEventPointer /* event */,
 193                            bool /* handled */,
 194                            WebCursor /* cursor type*/)
 195
 196 IPC_MESSAGE_ROUTED1(PluginMsg_SetContentAreaFocus,
 197                     bool /* has_focus */)
 198
 199 #if defined(OS_WIN)
 200 IPC_MESSAGE_ROUTED4(PluginMsg_ImeCompositionUpdated,
 201                     string16 /* text */,
 202                     std::vector<int> /* clauses */,
 203                     std::vector<int>, /* target */
 204                     int /* cursor_position */)
 205
 206 IPC_MESSAGE_ROUTED1(PluginMsg_ImeCompositionCompleted,
 207                     string16 /* text */)
 208 #endif
 209
 210 #if defined(OS_MACOSX)
 211 IPC_MESSAGE_ROUTED1(PluginMsg_SetWindowFocus,
 212                     bool /* has_focus */)
 213
 214 IPC_MESSAGE_ROUTED0(PluginMsg_ContainerHidden)
 215
 216 IPC_MESSAGE_ROUTED3(PluginMsg_ContainerShown,
 217                     gfx::Rect /* window_frame */,
 218                     gfx::Rect /* view_frame */,
 219                     bool /* has_focus */)
 220
 221 IPC_MESSAGE_ROUTED2(PluginMsg_WindowFrameChanged,
 222                     gfx::Rect /* window_frame */,
 223                     gfx::Rect /* view_frame */)
 224
 225 IPC_MESSAGE_ROUTED1(PluginMsg_ImeCompositionCompleted,
 226                     string16 /* text */)
 227 #endif
 228
 229 IPC_SYNC_MESSAGE_ROUTED3_0(PluginMsg_WillSendRequest,
 230                            unsigned long /* id */,
 231                            GURL /* url */,
 232                            int  /* http_status_code */)
 233
 234 IPC_MESSAGE_ROUTED1(PluginMsg_DidReceiveResponse,
 235                     PluginMsg_DidReceiveResponseParams)
 236
 237 IPC_MESSAGE_ROUTED3(PluginMsg_DidReceiveData,
 238                     unsigned long /* id */,
 239                     std::vector<char> /* buffer */,
 240                     int /* data_offset */)
 241
 242 IPC_MESSAGE_ROUTED1(PluginMsg_DidFinishLoading,
 243                     unsigned long /* id */)
 244
 245 IPC_MESSAGE_ROUTED1(PluginMsg_DidFail,
 246                     unsigned long /* id */)
 247
 248 IPC_MESSAGE_ROUTED4(PluginMsg_SendJavaScriptStream,
 249                     GURL /* url */,
 250                     std::string /* result */,
 251                     bool /* success */,
 252                     int /* notify_id */)
 253
 254 IPC_MESSAGE_ROUTED2(PluginMsg_DidReceiveManualResponse,
 255                     GURL /* url */,
 256                     PluginMsg_DidReceiveResponseParams)
 257
 258 IPC_MESSAGE_ROUTED1(PluginMsg_DidReceiveManualData,
 259                     std::vector<char> /* buffer */)
 260
 261 IPC_MESSAGE_ROUTED0(PluginMsg_DidFinishManualLoading)
 262
 263 IPC_MESSAGE_ROUTED0(PluginMsg_DidManualLoadFail)
 264
 265 IPC_MESSAGE_ROUTED3(PluginMsg_HandleURLRequestReply,
 266                     unsigned long /* resource_id */,
 267                     GURL /* url */,
 268                     int /* notify_id */)
 269
 270 IPC_MESSAGE_ROUTED2(PluginMsg_HTTPRangeRequestReply,
 271                     unsigned long /* resource_id */,
 272                     int /* range_request_id */)
 273
 274 IPC_MESSAGE_CONTROL1(PluginMsg_SignalModalDialogEvent,
 275                      int /* render_view_id */)
 276
 277 IPC_MESSAGE_CONTROL1(PluginMsg_ResetModalDialogEvent,
 278                      int /* render_view_id */)
 279
 280 #if defined(OS_MACOSX)
 281 // This message, used only on 10.6 and later, transmits the "fake"
 282 // window handle allocated by the browser on behalf of the renderer
 283 // to the GPU plugin.
 284 IPC_MESSAGE_ROUTED1(PluginMsg_SetFakeAcceleratedSurfaceWindowHandle,
 285                     gfx::PluginWindowHandle /* window */)
 286 #endif
 287
 288 IPC_MESSAGE_CONTROL3(PluginMsg_ClearSiteData,
 289                      std::string /* site */,
 290                      uint64 /* flags */,
 291                      uint64 /* max_age */)
 292
 293 //-----------------------------------------------------------------------------
 294 // PluginHost messages
 295 // These are messages sent from the plugin process to the renderer process.
 296 // They all map to the corresponding WebPlugin methods.
 297 // Sends the plugin window information to the renderer.
 298 // The window parameter is a handle to the window if the plugin is a windowed
 299 // plugin. It is NULL for windowless plugins.
 300 IPC_SYNC_MESSAGE_ROUTED1_0(PluginHostMsg_SetWindow,
 301                            gfx::PluginWindowHandle /* window */)
 302
 303 #if defined(OS_WIN)
 304 // The modal_loop_pump_messages_event parameter is an event handle which is
 305 // passed in for windowless plugins and is used to indicate if messages
 306 // are to be pumped in sync calls to the plugin process. Currently used
 307 // in HandleEvent calls.
 308 IPC_SYNC_MESSAGE_ROUTED2_0(PluginHostMsg_SetWindowlessData,
 309                            HANDLE /* modal_loop_pump_messages_event */,
 310                            gfx::NativeViewId /* dummy_activation_window*/)
 311
 312 // Send the IME status retrieved from a windowless plug-in. A windowless plug-in
 313 // uses the IME attached to a browser process as a renderer does. A plug-in
 314 // sends this message to control the IME status of a browser process. I would
 315 // note that a plug-in sends this message to a renderer process that hosts this
 316 // plug-in (not directly to a browser process) so the renderer process can
 317 // update its IME status.
 318 IPC_MESSAGE_ROUTED2(PluginHostMsg_NotifyIMEStatus,
 319                     int /* input_type */,
 320                     gfx::Rect /* caret_rect */)
 321 #endif
 322
 323 IPC_MESSAGE_ROUTED1(PluginHostMsg_URLRequest,
 324                     PluginHostMsg_URLRequest_Params)
 325
 326 IPC_MESSAGE_ROUTED1(PluginHostMsg_CancelResource,
 327                     int /* id */)
 328
 329 IPC_MESSAGE_ROUTED1(PluginHostMsg_InvalidateRect,
 330                     gfx::Rect /* rect */)
 331
 332 IPC_SYNC_MESSAGE_ROUTED1_1(PluginHostMsg_GetWindowScriptNPObject,
 333                            int /* route id */,
 334                            bool /* success */)
 335
 336 IPC_SYNC_MESSAGE_ROUTED1_1(PluginHostMsg_GetPluginElement,
 337                            int /* route id */,
 338                            bool /* success */)
 339
 340 IPC_SYNC_MESSAGE_ROUTED1_2(PluginHostMsg_ResolveProxy,
 341                            GURL /* url */,
 342                            bool /* result */,
 343                            std::string /* proxy list */)
 344
 345 IPC_MESSAGE_ROUTED3(PluginHostMsg_SetCookie,
 346                     GURL /* url */,
 347                     GURL /* first_party_for_cookies */,
 348                     std::string /* cookie */)
 349
 350 IPC_SYNC_MESSAGE_ROUTED2_1(PluginHostMsg_GetCookies,
 351                            GURL /* url */,
 352                            GURL /* first_party_for_cookies */,
 353                            std::string /* cookies */)
 354
 355 IPC_MESSAGE_ROUTED0(PluginHostMsg_CancelDocumentLoad)
 356
 357 IPC_MESSAGE_ROUTED3(PluginHostMsg_InitiateHTTPRangeRequest,
 358                     std::string /* url */,
 359                     std::string /* range_info */,
 360                     int         /* range_request_id */)
 361
 362 IPC_MESSAGE_ROUTED2(PluginHostMsg_DeferResourceLoading,
 363                     unsigned long /* resource_id */,
 364                     bool /* defer */)
 365
 366 IPC_SYNC_MESSAGE_CONTROL1_0(PluginHostMsg_SetException,
 367                             std::string /* message */)
 368
 369 IPC_MESSAGE_CONTROL0(PluginHostMsg_PluginShuttingDown)
 370
 371 #if defined(OS_MACOSX)
 372 IPC_MESSAGE_ROUTED1(PluginHostMsg_FocusChanged,
 373                     bool /* focused */)
 374
 375 IPC_MESSAGE_ROUTED0(PluginHostMsg_StartIme)
 376
 377 //----------------------------------------------------------------------
 378 // Legacy Core Animation plugin implementation rendering directly to screen.
 379
 380 // This message, used in Mac OS X 10.5 and earlier, is sent from the plug-in
 381 // process to the renderer process to indicate that the plug-in allocated a
 382 // new TransportDIB that holds the GPU's rendered image.  This information is
 383 // then forwarded to the browser process via a similar message.
 384 IPC_MESSAGE_ROUTED4(PluginHostMsg_AcceleratedSurfaceSetTransportDIB,
 385                     gfx::PluginWindowHandle /* window */,
 386                     int32 /* width */,
 387                     int32 /* height */,
 388                     TransportDIB::Handle /* handle to the TransportDIB */)
 389
 390 // Synthesize a fake window handle for the plug-in to identify the instance
 391 // to the browser, allowing mapping to a surface for hardware accelleration
 392 // of plug-in content. The browser generates the handle which is then set on
 393 // the plug-in. |opaque| indicates whether the content should be treated as
 394 // opaque.
 395 IPC_MESSAGE_ROUTED1(PluginHostMsg_BindFakePluginWindowHandle,
 396                     bool /* opaque */)
 397
 398 // This message, used only on 10.6 and later, is sent from the plug-in process
 399 // to the renderer process to indicate that the plugin allocated a new
 400 // IOSurface object of the given width and height. This information is then
 401 // forwarded on to the browser process.
 402 //
 403 // NOTE: the original intent was to pass a mach port as the IOSurface
 404 // identifier but it looks like that will be a lot of work. For now we pass an
 405 // ID from IOSurfaceGetID.
 406 IPC_MESSAGE_ROUTED4(PluginHostMsg_AcceleratedSurfaceSetIOSurface,
 407                     gfx::PluginWindowHandle /* window */,
 408                     int32 /* width */,
 409                     int32 /* height */,
 410                     uint64 /* surface_id */)
 411
 412
 413 // On the Mac, shared memory can't be allocated in the sandbox, so
 414 // the TransportDIB used by the plug-in for rendering has to be allocated
 415 // and managed by the browser.  This is a synchronous message, use with care.
 416 IPC_SYNC_MESSAGE_ROUTED1_1(PluginHostMsg_AllocTransportDIB,
 417                            size_t /* requested memory size */,
 418                            TransportDIB::Handle /* output: DIB handle */)
 419
 420 // Since the browser keeps handles to the allocated transport DIBs, this
 421 // message is sent to tell the browser that it may release them when the
 422 // renderer is finished with them.
 423 IPC_MESSAGE_ROUTED1(PluginHostMsg_FreeTransportDIB,
 424                     TransportDIB::Id /* DIB id */)
 425
 426 // This message notifies the renderer process (and from there the
 427 // browser process) that the plug-in swapped the buffers associated
 428 // with the given "window", which should cause the browser to redraw
 429 // the various plug-ins' contents.
 430 IPC_MESSAGE_ROUTED2(PluginHostMsg_AcceleratedSurfaceBuffersSwapped,
 431                     gfx::PluginWindowHandle /* window */,
 432                     uint64 /* surface_handle */)
 433
 434 //----------------------------------------------------------------------
 435 // New Core Animation plugin implementation rendering via compositor.
 436
 437 // Notifies the renderer process that this plugin will be using the
 438 // accelerated rendering path.
 439 IPC_MESSAGE_ROUTED0(PluginHostMsg_AcceleratedPluginEnabledRendering)
 440
 441 // Notifies the renderer process that the plugin allocated a new
 442 // IOSurface into which it is rendering. The renderer process forwards
 443 // this IOSurface to the GPU process, causing it to be bound to a
 444 // texture from which the compositor can render. Any previous
 445 // IOSurface allocated by this plugin must be implicitly released by
 446 // the receipt of this message.
 447 IPC_MESSAGE_ROUTED3(PluginHostMsg_AcceleratedPluginAllocatedIOSurface,
 448                     int32 /* width */,
 449                     int32 /* height */,
 450                     uint32 /* surface_id */)
 451
 452 // Notifies the renderer process that the plugin produced a new frame
 453 // of content into its IOSurface, and therefore that the compositor
 454 // needs to redraw.
 455 IPC_MESSAGE_ROUTED0(PluginHostMsg_AcceleratedPluginSwappedIOSurface)
 456 #endif
 457
 458 IPC_MESSAGE_CONTROL1(PluginHostMsg_ClearSiteDataResult,
 459                      bool /* success */)
 460
 461 IPC_MESSAGE_ROUTED2(PluginHostMsg_URLRedirectResponse,
 462                     bool /* allow */,
 463                     int  /* resource_id */)
 464
 465
 466 //-----------------------------------------------------------------------------
 467 // NPObject messages
 468 // These are messages used to marshall NPObjects.  They are sent both from the
 469 // plugin to the renderer and from the renderer to the plugin.
 470 IPC_SYNC_MESSAGE_ROUTED0_0(NPObjectMsg_Release)
 471
 472 IPC_SYNC_MESSAGE_ROUTED1_1(NPObjectMsg_HasMethod,
 473                            content::NPIdentifier_Param /* name */,
 474                            bool /* result */)
 475
 476 IPC_SYNC_MESSAGE_ROUTED3_2(NPObjectMsg_Invoke,
 477                            bool /* is_default */,
 478                            content::NPIdentifier_Param /* method */,
 479                            std::vector<content::NPVariant_Param> /* args */,
 480                            content::NPVariant_Param /* result_param */,
 481                            bool /* result */)
 482
 483 IPC_SYNC_MESSAGE_ROUTED1_1(NPObjectMsg_HasProperty,
 484                            content::NPIdentifier_Param /* name */,
 485                            bool /* result */)
 486
 487 IPC_SYNC_MESSAGE_ROUTED1_2(NPObjectMsg_GetProperty,
 488                            content::NPIdentifier_Param /* name */,
 489                            content::NPVariant_Param /* property */,
 490                            bool /* result */)
 491
 492 IPC_SYNC_MESSAGE_ROUTED2_1(NPObjectMsg_SetProperty,
 493                            content::NPIdentifier_Param /* name */,
 494                            content::NPVariant_Param /* property */,
 495                            bool /* result */)
 496
 497 IPC_SYNC_MESSAGE_ROUTED1_1(NPObjectMsg_RemoveProperty,
 498                            content::NPIdentifier_Param /* name */,
 499                            bool /* result */)
 500
 501 IPC_SYNC_MESSAGE_ROUTED0_0(NPObjectMsg_Invalidate)
 502
 503 IPC_SYNC_MESSAGE_ROUTED0_2(NPObjectMsg_Enumeration,
 504                            std::vector<content::NPIdentifier_Param> /* value */,
 505                            bool /* result */)
 506
 507 IPC_SYNC_MESSAGE_ROUTED1_2(NPObjectMsg_Construct,
 508                            std::vector<content::NPVariant_Param> /* args */,
 509                            content::NPVariant_Param /* result_param */,
 510                            bool /* result */)
 511
 512 IPC_SYNC_MESSAGE_ROUTED2_2(NPObjectMsg_Evaluate,
 513                            std::string /* script */,
 514                            bool /* popups_allowed */,
 515                            content::NPVariant_Param /* result_param */,
 516                            bool /* result */)