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

gpu/command_buffer/common/gles2_cmd_ids.h

Index: gpu/command_buffer/common/gles2_cmd_ids.h
===================================================================
--- gpu/command_buffer/common/gles2_cmd_ids.h	(revision 34314)
+++ gpu/command_buffer/common/gles2_cmd_ids.h	(working copy)
@@ -4,12 +4,12 @@
 
 // This file defines the GLES2 command buffer commands.
 
-#ifndef GPU_COMMAND_BUFFER_COMMON_GLES2_CMD_IDS_H
-#define GPU_COMMAND_BUFFER_COMMON_GLES2_CMD_IDS_H
+#ifndef GPU_COMMAND_BUFFER_COMMON_GLES2_CMD_IDS_H_
+#define GPU_COMMAND_BUFFER_COMMON_GLES2_CMD_IDS_H_
 
 #include "gpu/command_buffer/common/cmd_buffer_common.h"
 
-namespace command_buffer {
+namespace gpu {
 namespace gles2 {
 
 #include "gpu/command_buffer/common/gles2_cmd_ids_autogen.h"
@@ -17,7 +17,7 @@
 const char* GetCommandName(CommandId command_id);
 
 }  // namespace gles2
-}  // namespace command_buffer
+}  // namespace gpu
 
-#endif  // GPU_COMMAND_BUFFER_COMMON_GLES2_CMD_IDS_H
+#endif  // GPU_COMMAND_BUFFER_COMMON_GLES2_CMD_IDS_H_