getUserMeida: report device starting states

content/browser/renderer_host/media/video_frame_receiver_on_io_thread.cc

 // Copyright 2016 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/video_frame_receiver_on_io_thread.h"
 
 #include "content/public/browser/browser_thread.h"
 
 namespace content {
 
@@ skipping 39 matching lines @@
       content::BrowserThread::IO, FROM_HERE,
       base::Bind(&VideoFrameReceiver::OnError, receiver_));
 }
 
 void VideoFrameReceiverOnIOThread::OnLog(const std::string& message) {
   content::BrowserThread::PostTask(
       content::BrowserThread::IO, FROM_HERE,
       base::Bind(&VideoFrameReceiver::OnLog, receiver_, message));
 }
 
+void VideoFrameReceiverOnIOThread::OnStarted() {
+  content::BrowserThread::PostTask(
+      content::BrowserThread::IO, FROM_HERE,
+      base::Bind(&VideoFrameReceiver::OnStarted, receiver_));
+}
+
 }  // namespace content