Added Pepper 3D render context that instantiates the GPU plugin....

chrome/common/command_buffer_messages_internal.h

 // Copyright (c) 2009 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/shared_memory.h"
 #include "ipc/ipc_message_macros.h"
 
 IPC_BEGIN_MESSAGES(CommandBuffer)
   // Initialize a command buffer with the given number of command entries.
   // Returns the shared memory handle for the command buffer mapped to the
@@ skipping 25 matching lines @@
   IPC_SYNC_MESSAGE_ROUTED1_1(CommandBufferMsg_CreateTransferBuffer,
                              int32 /* size */,
                              int32 /* id */)
 
   // Destroy a previously created transfer buffer.
   IPC_SYNC_MESSAGE_ROUTED1_0(CommandBufferMsg_DestroyTransferBuffer,
                              int32 /* id */)
 
   // Get the shared memory handle for a transfer buffer mapped to the callers
   // process.
-  IPC_SYNC_MESSAGE_ROUTED1_1(CommandBufferMsg_GetTransferBuffer,
+  IPC_SYNC_MESSAGE_ROUTED1_2(CommandBufferMsg_GetTransferBuffer,
                              int32 /* id */,
-                             base::SharedMemoryHandle /* transfer_buffer */)
+                             base::SharedMemoryHandle /* transfer_buffer */,
+                             size_t /* size */)
 
   // Get the most recently processed token. Used for implementing fences.
   IPC_SYNC_MESSAGE_ROUTED0_1(CommandBufferMsg_GetToken,
                              int32 /* token */)
 
   // Get the current parse error. Calling this resets the parse error if it is
   // recoverable.
   // TODO(apatrick): Switch to the parse_error::ParseError enum now that NPAPI
   //    no longer limits to restricted set of datatypes.
   IPC_SYNC_MESSAGE_ROUTED0_1(CommandBufferMsg_ResetParseError,
                              int32 /* parse_error */)
 
   // Get the current error status.
   IPC_SYNC_MESSAGE_ROUTED0_1(CommandBufferMsg_GetErrorStatus,
                              bool /* status */)
 
 IPC_END_MESSAGES(CommandBuffer)