support video device enumeration from renderer process.

content/renderer/render_view_impl.h

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_RENDERER_RENDER_VIEW_IMPL_H_
 #define CONTENT_RENDERER_RENDER_VIEW_IMPL_H_
 #pragma once
 
 #include <deque>
 #include <map>
@@ skipping 45 matching lines @@
 #endif
 
 class DeviceOrientationDispatcher;
 class DevToolsAgent;
 class ExternalPopupMenu;
 class GeolocationDispatcher;
 class GURL;
 class IntentsDispatcher;
 class JavaBridgeDispatcher;
 class LoadProgressTracker;
+class MediaStreamDispatcher;
 class MediaStreamImpl;
 class NotificationProvider;
 class PepperDeviceTest;
 struct PP_NetAddress_Private;
 class RenderWidgetFullscreenPepper;
 class RendererAccessibility;
 class SkBitmap;
 class SpeechInputDispatcher;
 struct ViewMsg_Navigate_Params;
 struct ViewMsg_StopFinding_Params;
@@ skipping 119 matching lines @@
 
   void set_send_content_state_immediately(bool value) {
     send_content_state_immediately_ = value;
   }
 
   // Current P2PSocketDispatcher. Set to NULL if P2P API is disabled.
   content::P2PSocketDispatcher* p2p_socket_dispatcher() {
     return p2p_socket_dispatcher_;
   }
 
+  MediaStreamDispatcher* media_stream_dispatcher() {
+    return media_stream_dispatcher_;
+  }
+
   // Functions to add and remove observers for this object.
   void AddObserver(content::RenderViewObserver* observer);
   void RemoveObserver(content::RenderViewObserver* observer);
 
   // Adds the given file chooser request to the file_chooser_completion_ queue
   // (see that var for more) and requests the chooser be displayed if there are
   // no other waiting items in the queue.
   //
   // Returns true if the chooser was successfully scheduled. False means we
   // didn't schedule anything.
@@ skipping 920 matching lines @@
 
   // The intents dispatcher attached to this view. Not lazily initialized.
   IntentsDispatcher* intents_dispatcher_;
 
   // The speech dispatcher attached to this view, lazily initialized.
   SpeechInputDispatcher* speech_input_dispatcher_;
 
   // Device orientation dispatcher attached to this view; lazily initialized.
   DeviceOrientationDispatcher* device_orientation_dispatcher_;
 
+  // MediaStream dispatcher attached to this view; lazily initialized.
+  MediaStreamDispatcher* media_stream_dispatcher_;
+
   // MediaStreamImpl attached to this view; lazily initialized.
   scoped_refptr<MediaStreamImpl> media_stream_impl_;
 
   // Dispatches all P2P socket used by the renderer.
   content::P2PSocketDispatcher* p2p_socket_dispatcher_;
 
   DevToolsAgent* devtools_agent_;
 
   RendererAccessibility* renderer_accessibility_;
 
@@ skipping 64 matching lines @@
   // bunch of stuff, you should probably create a helper class and put your
   // data and methods on that to avoid bloating RenderView more.  You can
   // use the Observer interface to filter IPC messages and receive frame change
   // notifications.
   // ---------------------------------------------------------------------------
 
   DISALLOW_COPY_AND_ASSIGN(RenderViewImpl);
 };
 
 #endif  // CONTENT_RENDERER_RENDER_VIEW_IMPL_H_