Move classses VideoCaptureDeviceClient and VideoCaptureBufferPool to media/capture/video

media/capture/video/video_capture_buffer_tracker.h

 // 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.
 
-#ifndef CONTENT_BROWSER_RENDERER_HOST_MEDIA_VIDEO_CAPTURE_BUFFER_TRACKER_H_
-#define CONTENT_BROWSER_RENDERER_HOST_MEDIA_VIDEO_CAPTURE_BUFFER_TRACKER_H_
+#ifndef MEDIA_VIDEO_CAPTURE_VIDEO_CAPTURE_BUFFER_TRACKER_H_
+#define MEDIA_VIDEO_CAPTURE_VIDEO_CAPTURE_BUFFER_TRACKER_H_
 
 #include <memory>
 
 #include "base/synchronization/lock.h"
-#include "content/browser/renderer_host/media/video_capture_buffer_handle.h"
 #include "media/base/video_capture_types.h"
+#include "media/capture/video/video_capture_buffer_handle.h"
 
-namespace content {
+namespace media {
 
 // Keeps track of the state of a given mappable resource. Each
 // VideoCaptureBufferTracker carries indication of pixel format and storage
 // type. This is a base class for implementations using different kinds of
 // storage.
-class VideoCaptureBufferTracker {
+class CAPTURE_EXPORT VideoCaptureBufferTracker {
  public:
   VideoCaptureBufferTracker()
       : max_pixel_count_(0),
         held_by_producer_(false),
         consumer_hold_count_(0) {}
   virtual bool Init(const gfx::Size& dimensions,
                     media::VideoPixelFormat format,
                     media::VideoPixelStorage storage_type,
                     base::Lock* lock) = 0;
   virtual ~VideoCaptureBufferTracker(){};
@@ skipping 37 matching lines @@
   // Indicates whether this VideoCaptureBufferTracker is currently referenced by
   // the producer.
   bool held_by_producer_;
 
   // Number of consumer processes which hold this VideoCaptureBufferTracker.
   int consumer_hold_count_;
 };
 
 }  // namespace content
 
-#endif  // CONTENT_BROWSER_RENDERER_HOST_MEDIA_VIDEO_CAPTURE_BUFFER_TRACKER_H_
+#endif  // MEDIA_VIDEO_CAPTURE_VIDEO_CAPTURE_BUFFER_TRACKER_H_