getUserMedia: handle the device starting status report.

content/renderer/media/media_stream_video_capturer_source.cc

 // Copyright 2014 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/media_stream_video_capturer_source.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/callback_helpers.h"
@@ skipping 346 matching lines @@
       running_callback_.Run(true);
       break;
 
     case VIDEO_CAPTURE_STATE_STOPPING:
     case VIDEO_CAPTURE_STATE_STOPPED:
     case VIDEO_CAPTURE_STATE_ERROR:
     case VIDEO_CAPTURE_STATE_ENDED:
       base::ResetAndReturn(&running_callback_).Run(false);
       break;
 
+    case VIDEO_CAPTURE_STATE_STARTING:
     case VIDEO_CAPTURE_STATE_PAUSED:
     case VIDEO_CAPTURE_STATE_RESUMED:
       // Not applicable to reporting on device starts or errors.
       break;
   }
 }
 
 void LocalVideoCapturerSource::OnDeviceFormatsInUseReceived(
     const media::VideoCaptureFormats& formats_in_use) {
   DVLOG(3) << __func__ << ", #formats received: " << formats_in_use.size();
@@ skipping 124 matching lines @@
     StopSource();
   }
 }
 
 const char*
 MediaStreamVideoCapturerSource::GetPowerLineFrequencyForTesting() const {
   return kPowerLineFrequency;
 }
 
 }  // namespace content