[Mojo Video Capture] Retire buffers when Android Chromium goes to the background

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 17 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::OnBufferDestroyed(int buffer_id_to_drop) {
+void VideoFrameReceiverOnIOThread::OnBufferRetired(int buffer_id) {
   content::BrowserThread::PostTask(
       content::BrowserThread::IO, FROM_HERE,
-      base::Bind(&VideoFrameReceiver::OnBufferDestroyed, receiver_,
-                 buffer_id_to_drop));
+      base::Bind(&VideoFrameReceiver::OnBufferRetired, receiver_, buffer_id));
 }
 
 }  // namespace content