Cleanup of passing GpuMemoryBuffer backed video frames

content/common/media/video_capture_messages.h

 // Copyright (c) 2012 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 "base/memory/shared_memory.h"
 #include "content/common/content_export.h"
 #include "content/common/media/video_capture.h"
 #include "content/public/common/common_param_traits.h"
 #include "ipc/ipc_message_macros.h"
 #include "media/base/video_capture_types.h"
@@ skipping 29 matching lines @@
                      int /* device id */,
                      content::VideoCaptureState /* new state */)
 
 // Tell the renderer process that a new buffer is allocated for video capture.
 IPC_MESSAGE_CONTROL4(VideoCaptureMsg_NewBuffer,
                      int /* device id */,
                      base::SharedMemoryHandle /* handle */,
                      int /* length */,
                      int /* buffer_id */)
 
-// Tell the renderer process that a new GpuMemoryBuffer backed buffer is
-// allocated for video capture.
-IPC_MESSAGE_CONTROL4(VideoCaptureMsg_NewBuffer2,
-                     int /* device id */,
-                     std::vector<gfx::GpuMemoryBufferHandle> /* handles */,
-                     gfx::Size /* dimensions */,
-                     int /* buffer_id */)
-
 // Tell the renderer process that it should release a buffer previously
 // allocated by VideoCaptureMsg_NewBuffer.
 IPC_MESSAGE_CONTROL2(VideoCaptureMsg_FreeBuffer,
                      int /* device id */,
                      int /* buffer_id */)
 
 // Tell the renderer process that a Buffer is available from video capture, and
 // send the associated VideoFrame constituent parts as IPC parameters.
 IPC_MESSAGE_CONTROL1(VideoCaptureMsg_BufferReady,
                      VideoCaptureMsg_BufferReady_Params)
 
 // Tell the browser process that the renderer has finished reading from
 // a buffer previously delivered by VideoCaptureMsg_BufferReady.
 IPC_MESSAGE_CONTROL4(VideoCaptureHostMsg_BufferReady,
                      int /* device_id */,
                      int /* buffer_id */,
                      gpu::SyncToken /* sync_token */,
                      double /* consumer_resource_utilization */)