Added CommandBufferClient, CommandBufferStub and some IPC messages....

gpu/command_buffer/service/gles2_cmd_decoder_validate.h

Index: gpu/command_buffer/service/gles2_cmd_decoder_validate.h
===================================================================
--- gpu/command_buffer/service/gles2_cmd_decoder_validate.h	(revision 34314)
+++ gpu/command_buffer/service/gles2_cmd_decoder_validate.h	(working copy)
@@ -1,10 +1,10 @@
 
-// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
+// 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.
 
 
-namespace command_buffer {
+namespace gpu {
 namespace gles2 {
 
 namespace {
@@ -1258,5 +1258,5 @@
 }
 }  // anonymous namespace
 }  // namespace gles2
-}  // namespace command_buffer
+}  // namespace gpu