Adding support for MediaStream and PeerConnection functionality

content/renderer/media/media_stream_dispatcher.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_MEDIA_MEDIA_STREAM_DISPATCHER_H_
 #define CONTENT_RENDERER_MEDIA_MEDIA_STREAM_DISPATCHER_H_
 
 #include <list>
 #include <map>
 #include <string>
@@ skipping 14 matching lines @@
 // BrowserRenderProcessHost).
 class CONTENT_EXPORT MediaStreamDispatcher
     : public content::RenderViewObserver {
  public:
   explicit MediaStreamDispatcher(RenderViewImpl* render_view);
   virtual ~MediaStreamDispatcher();
 
   // Request a new media stream to be created.
   // This can be used either of WebKit or a plugin.
   // Note: The event_handler must be valid for as long as the stream exists.
-  void GenerateStream(int request_id,
-                      MediaStreamDispatcherEventHandler* event_handler,
-                      media_stream::StreamOptions components,
-                      const std::string& security_origin);
+  virtual void GenerateStream(
+      int request_id,
+      MediaStreamDispatcherEventHandler* event_handler,
+      media_stream::StreamOptions components,
+      const std::string& security_origin);
 
   // Stop a started stream. Label is the label provided in OnStreamGenerated.
-  void StopStream(const std::string& label);
+  virtual void StopStream(const std::string& label);
 
   // Check if the label is a valid stream.
-  bool IsStream(const std::string& label);
+  virtual bool IsStream(const std::string& label);
   // Get the video session_id given a label. The label identifies a stream.
   // index is the index in the video_device_array of the stream.
-  int video_session_id(const std::string& label, int index);
+  virtual int video_session_id(const std::string& label, int index);
   // Returns an audio session_id given a label and an index.
-  int audio_session_id(const std::string& label, int index);
+  virtual int audio_session_id(const std::string& label, int index);
 
  private:
   FRIEND_TEST_ALL_PREFIXES(MediaStreamDispatcherTest, Basic);
   FRIEND_TEST_ALL_PREFIXES(MediaStreamDispatcherTest, TestFailure);
 
   struct Request;
 
   // Private class for keeping track of opened devices and who have
   // opened it.
   struct Stream;
@@ skipping 14 matching lines @@
   LabelStreamMap label_stream_map_;
 
   // List of calls made to GenerateStream that has not yet completed.
   typedef std::list<Request> RequestList;
   RequestList requests_;
 
   DISALLOW_COPY_AND_ASSIGN(MediaStreamDispatcher);
 };
 
 #endif  // CONTENT_RENDERER_MEDIA_MEDIA_STREAM_DISPATCHER_H_