Updated the MockWebRtcPeerConnectionHandler used in blink Layouttests.

content/shell/renderer/test_runner/mock_webrtc_peer_connection_handler.h

 // Copyright 2014 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_SHELL_RENDERER_TEST_RUNNER_MOCKWEBRTCPEERCONNECTIONHANDLER_H_
 #define CONTENT_SHELL_RENDERER_TEST_RUNNER_MOCKWEBRTCPEERCONNECTIONHANDLER_H_
 
+#include <map>
+
 #include "base/basictypes.h"
 #include "content/shell/renderer/test_runner/web_task.h"
 #include "third_party/WebKit/public/platform/WebRTCPeerConnectionHandler.h"
 #include "third_party/WebKit/public/platform/WebRTCSessionDescription.h"
 #include "third_party/WebKit/public/platform/WebRTCSessionDescriptionRequest.h"
 #include "third_party/WebKit/public/platform/WebRTCStatsRequest.h"
 
 namespace blink {
 class WebRTCPeerConnectionHandlerClient;
 };
 
 namespace content {
 
 class TestInterfaces;
 
 class MockWebRTCPeerConnectionHandler
     : public blink::WebRTCPeerConnectionHandler {
  public:
   MockWebRTCPeerConnectionHandler(
       blink::WebRTCPeerConnectionHandlerClient* client,
       TestInterfaces* interfaces);
+  virtual ~MockWebRTCPeerConnectionHandler();
 
   // WebRTCPeerConnectionHandler related methods
   virtual bool initialize(
       const blink::WebRTCConfiguration& configuration,
       const blink::WebMediaConstraints& constraints) OVERRIDE;
 
   virtual void createOffer(
       const blink::WebRTCSessionDescriptionRequest& request,
       const blink::WebMediaConstraints& constraints) OVERRIDE;
   virtual void createOffer(
@@ skipping 29 matching lines @@
   virtual blink::WebRTCDTMFSenderHandler* createDTMFSender(
       const blink::WebMediaStreamTrack& track) OVERRIDE;
   virtual void stop() OVERRIDE;
 
   // WebTask related methods
   WebTaskList* mutable_task_list() { return &task_list_; }
 
  private:
   MockWebRTCPeerConnectionHandler();
 
+  // UpdateRemoteStreams uses the collection of |local_streams_| to create
+  // remote MediaStreams with the same number of tracks and notifies |client_|
+  // about added and removed streams. It's triggered when setRemoteDescription
+  // is called.
+  void UpdateRemoteStreams();
+
   blink::WebRTCPeerConnectionHandlerClient* client_;
   bool stopped_;
   WebTaskList task_list_;
   blink::WebRTCSessionDescription local_description_;
   blink::WebRTCSessionDescription remote_description_;
   int stream_count_;
   TestInterfaces* interfaces_;
+  typedef std::map<std::string, blink::WebMediaStream> StreamMap;
+  StreamMap local_streams_;
+  StreamMap remote_streams_;
 
   DISALLOW_COPY_AND_ASSIGN(MockWebRTCPeerConnectionHandler);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_SHELL_RENDERER_TEST_RUNNER_MOCKWEBRTCPEERCONNECTIONHANDLER_H_