Move classses VideoCaptureDeviceClient and VideoCaptureBufferPool to media/capture/video

content/browser/renderer_host/media/gpu_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/gpu_memory_buffer_tracker.h"
 
 #include "base/memory/ptr_util.h"
 #include "content/browser/gpu/browser_gpu_memory_buffer_manager.h"
 #include "content/browser/renderer_host/media/gpu_memory_buffer_handle.h"
 #include "content/public/browser/browser_thread.h"
@@ skipping 40 matching lines @@
             gfx::BufferUsage::GPU_READ_CPU_READ_WRITE,
             gpu::kNullSurfaceHandle));
 
     DLOG_IF(ERROR, !gpu_memory_buffers_[i]) << "Allocating GpuMemoryBuffer";
     if (!gpu_memory_buffers_[i] || !gpu_memory_buffers_[i]->Map())
       return false;
   }
   return true;
 }
 
-std::unique_ptr<VideoCaptureBufferHandle>
+std::unique_ptr<media::VideoCaptureBufferHandle>
 GpuMemoryBufferTracker::GetBufferHandle() {
   DCHECK_EQ(gpu_memory_buffers_.size(),
             media::VideoFrame::NumPlanes(pixel_format()));
   return base::MakeUnique<GpuMemoryBufferBufferHandle>(this);
 }
 
 bool GpuMemoryBufferTracker::ShareToProcess(
     base::ProcessHandle process_handle,
     base::SharedMemoryHandle* new_handle) {
   NOTREACHED();
@@ skipping 24 matching lines @@
     case gfx::IO_SURFACE_BUFFER:
     case gfx::OZONE_NATIVE_PIXMAP:
       *new_handle = current_gmb_handle;
       return true;
   }
   NOTREACHED();
   return true;
 }
 
 }  // namespace content