switch to DVLOG from VLOG, and move struct definition to cc file

content/browser/renderer_host/media/media_stream_dispatcher_host.cc

Index: content/browser/renderer_host/media/media_stream_dispatcher_host.cc
===================================================================
--- content/browser/renderer_host/media/media_stream_dispatcher_host.cc	(revision 109546)
+++ content/browser/renderer_host/media/media_stream_dispatcher_host.cc	(working copy)
@@ -12,6 +12,17 @@
 
 namespace media_stream {
 
+struct MediaStreamDispatcherHost::StreamRequest {
+  StreamRequest() {}
+  StreamRequest(int render_view_id, int page_request_id)
+      : render_view_id(render_view_id),
+        page_request_id(page_request_id ) {
+  }
+  int render_view_id;
+  // Id of the request generated by MediaStreamDispatcher.
+  int page_request_id;
+};
+
 MediaStreamDispatcherHost::MediaStreamDispatcherHost(
     const content::ResourceContext* resource_context, int render_process_id)
     : resource_context_(resource_context),
@@ -39,7 +50,7 @@
 
 void MediaStreamDispatcherHost::OnChannelClosing() {
   BrowserMessageFilter::OnChannelClosing();
-  VLOG(1) << "MediaStreamDispatcherHost::OnChannelClosing";
+  DVLOG(1) << "MediaStreamDispatcherHost::OnChannelClosing";
 
   // TODO(mflodman) Remove this temporary solution when shut-down issue is
   // resolved, i.e. uncomment the code below.
@@ -59,18 +70,18 @@
     int page_request_id,
     const media_stream::StreamOptions& components,
     const std::string& security_origin) {
-  VLOG(1) << "MediaStreamDispatcherHost::OnGenerateStream("
-          << render_view_id << ", "
-          << page_request_id << ", [ "
-          << (components.audio ? "audio " : "")
-          << ((components.video_option &
-              StreamOptions::kFacingUser) ?
-              "video_facing_user " : "")
-          << ((components.video_option &
-               StreamOptions::kFacingEnvironment) ?
-              "video_facing_environment " : "")
-          << "], "
-          << security_origin << ")";
+  DVLOG(1) << "MediaStreamDispatcherHost::OnGenerateStream("
+           << render_view_id << ", "
+           << page_request_id << ", [ "
+           << (components.audio ? "audio " : "")
+           << ((components.video_option &
+               StreamOptions::kFacingUser) ?
+               "video_facing_user " : "")
+           << ((components.video_option &
+                StreamOptions::kFacingEnvironment) ?
+               "video_facing_environment " : "")
+           << "], "
+           << security_origin << ")";
 
   std::string label;
   manager()->GenerateStream(this, render_process_id_, render_view_id,
@@ -81,8 +92,8 @@
 
 void MediaStreamDispatcherHost::OnStopGeneratedStream(
     int render_view_id, const std::string& label) {
-  VLOG(1) << "MediaStreamDispatcherHost::OnStopGeneratedStream("
-          << ", {label = " << label <<  "})";
+  DVLOG(1) << "MediaStreamDispatcherHost::OnStopGeneratedStream("
+           << ", {label = " << label <<  "})";
 
   StreamMap::iterator it = streams_.find(label);
   DCHECK(it != streams_.end());
@@ -95,8 +106,8 @@
     const StreamDeviceInfoArray& audio_devices,
     const StreamDeviceInfoArray& video_devices) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
-  VLOG(1) << "MediaStreamDispatcherHost::StreamGenerated("
-          << ", {label = " << label <<  "})";
+  DVLOG(1) << "MediaStreamDispatcherHost::StreamGenerated("
+           << ", {label = " << label <<  "})";
 
   StreamMap::iterator it = streams_.find(label);
   DCHECK(it != streams_.end());
@@ -110,8 +121,8 @@
 void MediaStreamDispatcherHost::StreamGenerationFailed(
     const std::string& label) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
-  VLOG(1) << "MediaStreamDispatcherHost::StreamGenerationFailed("
-          << ", {label = " << label <<  "})";
+  DVLOG(1) << "MediaStreamDispatcherHost::StreamGenerationFailed("
+           << ", {label = " << label <<  "})";
 
   StreamMap::iterator it = streams_.find(label);
   DCHECK(it != streams_.end());
@@ -125,8 +136,8 @@
 void MediaStreamDispatcherHost::AudioDeviceFailed(const std::string& label,
                                                   int index) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
-  VLOG(1) << "MediaStreamDispatcherHost::AudioDeviceFailed("
-          << ", {label = " << label <<  "})";
+  DVLOG(1) << "MediaStreamDispatcherHost::AudioDeviceFailed("
+           << ", {label = " << label <<  "})";
 
   StreamMap::iterator it = streams_.find(label);
   DCHECK(it != streams_.end());
@@ -139,8 +150,8 @@
 void MediaStreamDispatcherHost::VideoDeviceFailed(const std::string& label,
                                                   int index) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
-  VLOG(1) << "MediaStreamDispatcherHost::VideoDeviceFailed("
-          << ", {label = " << label <<  "})";
+  DVLOG(1) << "MediaStreamDispatcherHost::VideoDeviceFailed("
+           << ", {label = " << label <<  "})";
 
   StreamMap::iterator it = streams_.find(label);
   DCHECK(it != streams_.end());