Break tight coupling of VideoCaptureDeviceClient to renderer_host

content/browser/renderer_host/media/video_capture_gpu_jpeg_decoder.cc

 // Copyright 2015 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_capture_gpu_jpeg_decoder.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 50 matching lines @@
     return;
   }
 
   const scoped_refptr<base::SingleThreadTaskRunner> current_task_runner(
       base::ThreadTaskRunnerHandle::Get());
   BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
                           base::Bind(&EstablishGpuChannelOnUIThread,
                                      current_task_runner, AsWeakPtr()));
 }
 
-VideoCaptureGpuJpegDecoder::STATUS VideoCaptureGpuJpegDecoder::GetStatus()
-    const {
+VideoCaptureGpuJpegDecoder::STATUS VideoCaptureGpuJpegDecoder::GetStatus() {
   DCHECK(CalledOnValidThread());
   base::AutoLock lock(lock_);
   return decoder_status_;
 }
 
 void VideoCaptureGpuJpegDecoder::DecodeCapturedData(
     const uint8_t* data,
     size_t in_buffer_size,
     const media::VideoCaptureFormat& frame_format,
     base::TimeTicks reference_time,
@@ skipping 167 matching lines @@
   lock_.AssertAcquired();
   return !decode_done_closure_.is_null();
 }
 
 void VideoCaptureGpuJpegDecoder::RecordInitDecodeUMA_Locked() {
   UMA_HISTOGRAM_BOOLEAN("Media.VideoCaptureGpuJpegDecoder.InitDecodeSuccess",
                         decoder_status_ == INIT_PASSED);
 }
 
 }  // namespace content