Moved creation of GPU command buffer shared memory into the browser process....

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.
 
 #include <vector>
 #include <string>
 
 #include "base/shared_memory.h"
 #include "chrome/common/gpu_info.h"
 #include "chrome/common/gpu_video_common.h"
@@ skipping 207 matching lines @@
 IPC_SYNC_MESSAGE_CONTROL1_0(GpuChannelMsg_DestroyVideoDecoder,
                             int32 /* decoder_id */)
 
 //------------------------------------------------------------------------------
 // GPU Command Buffer Messages
 // These are messages between a renderer process to the GPU process relating to
 // a single OpenGL context.
 // Initialize a command buffer with the given number of command entries.
 // Returns the shared memory handle for the command buffer mapped to the
 // calling process.
-IPC_SYNC_MESSAGE_ROUTED1_1(GpuCommandBufferMsg_Initialize,
+IPC_SYNC_MESSAGE_ROUTED2_1(GpuCommandBufferMsg_Initialize,
+                           base::SharedMemoryHandle /* ring_buffer */,
                            int32 /* size */,
-                           base::SharedMemoryHandle /* ring_buffer */)
+                           bool /* result */)
 
 // Get the current state of the command buffer.
 IPC_SYNC_MESSAGE_ROUTED0_1(GpuCommandBufferMsg_GetState,
                            gpu::CommandBuffer::State /* state */)
 
 // Get the current state of the command buffer asynchronously. State is
 // returned via UpdateState message.
 IPC_MESSAGE_ROUTED0(GpuCommandBufferMsg_AsyncGetState)
 
 // Synchronize the put and get offsets of both processes. Caller passes its
@@ skipping 136 matching lines @@
 // Release all video frames allocated for a hardware video decoder.
 IPC_MESSAGE_ROUTED0(GpuVideoDecoderHostMsg_ReleaseAllVideoFrames)
 
 // GpuVideoDecoder report output format change.
 IPC_MESSAGE_ROUTED1(GpuVideoDecoderHostMsg_MediaFormatChange,
                     GpuVideoDecoderFormatChangeParam)
 
 // GpuVideoDecoder report error.
 IPC_MESSAGE_ROUTED1(GpuVideoDecoderHostMsg_ErrorNotification,
                     GpuVideoDecoderErrorInfoParam)