Media Related changes for TabCapture API

content/common/media/media_stream_options.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/common/media/media_stream_options.h"
 
 #include "base/logging.h"
 
 namespace media_stream {
 
+const char kMediaStreamSource[] = "chromeMediaSource";
+const char kMediaStreamSourceId[] = "chromeMediaSourceId";
+const char kMediaStreamSourceTab[] = "tab";
+
 StreamOptions::StreamOptions()
     : audio_type(content::MEDIA_NO_SERVICE),
       video_type(content::MEDIA_NO_SERVICE) {}
 
 StreamOptions::StreamOptions(bool user_audio, bool user_video)
     : audio_type(user_audio ?
                      content::MEDIA_DEVICE_AUDIO_CAPTURE :
                      content::MEDIA_NO_SERVICE),
       video_type(user_video ?
                      content::MEDIA_DEVICE_VIDEO_CAPTURE :
@@ skipping 30 matching lines @@
 bool StreamDeviceInfo::IsEqual(const StreamDeviceInfo& first,
                                const StreamDeviceInfo& second) {
   return first.stream_type == second.stream_type &&
       first.name == second.name &&
       first.device_id == second.device_id &&
       first.in_use == second.in_use &&
       first.session_id == second.session_id;
 }
 
 }  // namespace media_stream