V4L2VDA: Fix compilation after VideoDecodeAcceleratorImpl removal.

content/common/gpu/media/v4l2_video_decode_accelerator.h

 // 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.
 //
 // This file contains an implementation of VideoDecodeAccelerator
 // that utilizes hardware video decoders, which expose Video4Linux 2 API
 // (http://linuxtv.org/downloads/v4l-dvb-apis/).
 
 #ifndef CONTENT_COMMON_GPU_MEDIA_V4L2_VIDEO_DECODE_ACCELERATOR_H_
 #define CONTENT_COMMON_GPU_MEDIA_V4L2_VIDEO_DECODE_ACCELERATOR_H_
 
 #include <queue>
 #include <vector>
 
 #include "base/callback_forward.h"
 #include "base/memory/linked_ptr.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/synchronization/waitable_event.h"
 #include "base/threading/thread.h"
 #include "content/common/content_export.h"
 #include "content/common/gpu/media/v4l2_video_device.h"
 #include "media/base/limits.h"
 #include "media/base/video_decoder_config.h"
 #include "media/video/picture.h"
+#include "media/video/video_decode_accelerator.h"
 #include "ui/gfx/size.h"
 #include "ui/gl/gl_bindings.h"
 
 namespace base {
 class MessageLoopProxy;
 }  // namespace base
 
 namespace media {
 class H264Parser;
 }  // namespace media
@@ skipping 401 matching lines @@
 
   // The WeakPtrFactory for |weak_this_|.
   base::WeakPtrFactory<V4L2VideoDecodeAccelerator> weak_this_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(V4L2VideoDecodeAccelerator);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_GPU_MEDIA_V4L2_VIDEO_DECODE_ACCELERATOR_H_