Move classses VideoCaptureDeviceClient and VideoCaptureBufferPool to media/capture/video

content/browser/renderer_host/media/shared_memory_buffer_tracker.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/shared_memory_buffer_tracker.h"
 
 #include "base/memory/ptr_util.h"
 #include "content/browser/renderer_host/media/shared_memory_buffer_handle.h"
 
 namespace content {
@@ skipping 12 matching lines @@
   set_pixel_format(format);
   set_storage_type(storage_type);
   mapped_size_ =
       media::VideoCaptureFormat(dimensions, 0.0f, format, storage_type)
           .ImageAllocationSize();
   if (!mapped_size_)
     return true;
   return shared_memory_.CreateAndMapAnonymous(mapped_size_);
 }
 
-std::unique_ptr<VideoCaptureBufferHandle>
+std::unique_ptr<media::VideoCaptureBufferHandle>
 SharedMemoryBufferTracker::GetBufferHandle() {
   return base::MakeUnique<SharedMemoryBufferHandle>(this);
 }
 
 bool SharedMemoryBufferTracker::ShareToProcess(
     base::ProcessHandle process_handle,
     base::SharedMemoryHandle* new_handle) {
   return shared_memory_.ShareToProcess(process_handle, new_handle);
 }
 
 bool SharedMemoryBufferTracker::ShareToProcess2(
     int plane,
     base::ProcessHandle process_handle,
     gfx::GpuMemoryBufferHandle* new_handle) {
   NOTREACHED();
   return false;
 }
 
 }  // namespace content