FBTF: Move individual XXXMsg_Params structs to a new file.

chrome/common/gpu_messages_internal.h

 // Copyright (c) 2010 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 header is meant to be included in multiple passes, hence no traditional
 // header guard. It is included by backing_store_messages_internal.h
 // See ipc_message_macros.h for explanation of the macros and passes.
 
 // This file needs to be included again, even though we're actually included
 // from it via utility_messages.h.
 #include "base/shared_memory.h"
-#include "chrome/common/gpu_info.h"
 #include "chrome/common/gpu_video_common.h"
-#include "gfx/size.h"
-#include "ipc/ipc_channel_handle.h"
 #include "ipc/ipc_message_macros.h"
 
+namespace gfx {
+class Size;
+}
+
+namespace IPC {
+struct ChannelHandle;
+}
+
+class GPUInfo;
+
 //------------------------------------------------------------------------------
 // GPU Messages
 // These are messages from the browser to the GPU process.
 IPC_BEGIN_MESSAGES(Gpu)
 
   // Tells the GPU process to create a new channel for communication with a
   // given renderer.  The channel name is returned in a
   // GpuHostMsg_ChannelEstablished message.  The renderer ID is passed so that
   // the GPU process reuses an existing channel to that process if it exists.
   // This ID is a unique opaque identifier generated by the browser process.
@@ skipping 286 matching lines @@
   // GpuVideoDecoder report output format change.
   IPC_MESSAGE_ROUTED1(GpuVideoDecoderHostMsg_MediaFormatChange,
                       GpuVideoDecoderFormatChangeParam)
 
   // GpuVideoDecoder report error.
   IPC_MESSAGE_ROUTED1(GpuVideoDecoderHostMsg_ErrorNotification,
                       GpuVideoDecoderErrorInfoParam)
 
 IPC_END_MESSAGES(GpuVideoDecoderHost)