Begin adding support for tab mirroring via the MediaStream audio/video capturing

content/browser/renderer_host/media/media_stream_dispatcher_host.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/browser/renderer_host/media/media_stream_dispatcher_host.h"
 
 #include "content/browser/browser_main_loop.h"
 #include "content/common/media/media_stream_messages.h"
 #include "content/common/media/media_stream_options.h"
 #include "googleurl/src/gurl.h"
@@ skipping 146 matching lines @@
   DCHECK(streams_.empty());
 }
 
 void MediaStreamDispatcherHost::OnGenerateStream(
     int render_view_id,
     int page_request_id,
     const media_stream::StreamOptions& components,
     const GURL& security_origin) {
   DVLOG(1) << "MediaStreamDispatcherHost::OnGenerateStream("
            << render_view_id << ", "
-           << page_request_id << ", [ "
-           << (components.audio ? "audio " : "")
-           << (components.video ? "video " : "")
-           << "], "
+           << page_request_id << ", ["
+           << " audio:" << components.audio_type
+           << " video:" << components.video_type
+           << " ], "
            << security_origin.spec() << ")";
 
   std::string label;
   GetManager()->GenerateStream(this, render_process_id_, render_view_id,
                                components, security_origin, &label);
   DCHECK(!label.empty());
   streams_[label] = StreamRequest(render_view_id, page_request_id);
 }
 
 void MediaStreamDispatcherHost::OnCancelGenerateStream(int render_view_id,
@@ skipping 56 matching lines @@
                         device_id, type, security_origin, &label);
   DCHECK(!label.empty());
   streams_[label] = StreamRequest(render_view_id, page_request_id);
 }
 
 MediaStreamManager* MediaStreamDispatcherHost::GetManager() {
   return BrowserMainLoop::GetMediaStreamManager();
 }
 
 }  // namespace media_stream