Hookup the MediaStream glue for Adding and Removing tracks to an existing MediaStream.

content/renderer/media/mock_media_stream_dependency_factory.cc

 // Copyright (c) 2012 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.
 
 #include "content/renderer/media/mock_media_stream_dependency_factory.h"
 
 #include "base/logging.h"
 #include "content/renderer/media/mock_peer_connection_impl.h"
 #include "third_party/libjingle/source/talk/app/webrtc/mediastreaminterface.h"
 #include "third_party/libjingle/source/talk/base/scoped_ref_ptr.h"
@@ skipping 32 matching lines @@
   }
   virtual bool AddTrack(AudioTrackInterface* track) OVERRIDE {
     audio_track_vector_.push_back(track);
     return true;
   }
   virtual bool AddTrack(VideoTrackInterface* track) OVERRIDE {
     video_track_vector_.push_back(track);
     return true;
   }
   virtual bool RemoveTrack(AudioTrackInterface* track) OVERRIDE {
-    NOTIMPLEMENTED();
-    return false;
+    AudioTrackVector::iterator it = FindTrack(&audio_track_vector_,
+                                              track->id());
+    if (it == audio_track_vector_.end())
+      return false;
+    audio_track_vector_.erase(it);
+    return true;
   }
   virtual bool RemoveTrack(VideoTrackInterface* track) OVERRIDE {
-    NOTIMPLEMENTED();
-    return false;
+    VideoTrackVector::iterator it = FindTrack(&video_track_vector_,
+                                              track->id());
+    if (it == video_track_vector_.end())
+      return false;
+    video_track_vector_.erase(it);
+    return true;
   }
   virtual std::string label() const OVERRIDE { return label_; }
   virtual AudioTrackVector GetAudioTracks() OVERRIDE {
     return audio_track_vector_;
   }
   virtual VideoTrackVector GetVideoTracks() OVERRIDE {
     return video_track_vector_;
   }
   virtual talk_base::scoped_refptr<AudioTrackInterface>
       FindAudioTrack(const std::string& track_id) OVERRIDE {
@@ skipping 381 matching lines @@
 
 webrtc::IceCandidateInterface*
 MockMediaStreamDependencyFactory::CreateIceCandidate(
     const std::string& sdp_mid,
     int sdp_mline_index,
     const std::string& sdp) {
   return new MockIceCandidate(sdp_mid, sdp_mline_index, sdp);
 }
 
 }  // namespace content