getUserMedia: handle the device starting status report.

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 <algorithm>
 
 #include "content/browser/browser_main_loop.h"
 #include "content/common/media/media_stream_messages.h"
@@ skipping 73 matching lines @@
     IPC_MESSAGE_HANDLER(MediaStreamHostMsg_CancelGenerateStream,
                         OnCancelGenerateStream)
     IPC_MESSAGE_HANDLER(MediaStreamHostMsg_StopStreamDevice,
                         OnStopStreamDevice)
     IPC_MESSAGE_HANDLER(MediaStreamHostMsg_OpenDevice,
                         OnOpenDevice)
     IPC_MESSAGE_HANDLER(MediaStreamHostMsg_CloseDevice,
                         OnCloseDevice)
     IPC_MESSAGE_HANDLER(MediaStreamHostMsg_SetCapturingLinkSecured,
                         OnSetCapturingLinkSecured)
+    IPC_MESSAGE_HANDLER(MediaStreamHostMsg_StreamStarted, OnStreamStarted)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   return handled;
 }
 
 void MediaStreamDispatcherHost::OnChannelClosing() {
   DVLOG(1) << "MediaStreamDispatcherHost::OnChannelClosing";
 
   // Since the IPC sender is gone, close all requesting/requested streams.
   media_stream_manager_->CancelAllRequests(render_process_id_);
@@ skipping 71 matching lines @@
 
 void MediaStreamDispatcherHost::OnSetCapturingLinkSecured(int session_id,
                                                           MediaStreamType type,
                                                           bool is_secure) {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 
   media_stream_manager_->SetCapturingLinkSecured(render_process_id_, session_id,
                                                  type, is_secure);
 }
 
+void MediaStreamDispatcherHost::OnStreamStarted(const std::string& label) {
+  DCHECK_CURRENTLY_ON(BrowserThread::IO);
+
+  media_stream_manager_->OnStreamStarted(label);
+}
+
 }  // namespace content