Get rid of the relative paths in command_buffer client/common

gpu/command_buffer/client/cmd_buffer_helper.h

 // Copyright (c) 2012 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 file contains the command buffer helper class.
 
 #ifndef GPU_COMMAND_BUFFER_CLIENT_CMD_BUFFER_HELPER_H_
 #define GPU_COMMAND_BUFFER_CLIENT_CMD_BUFFER_HELPER_H_
 
 #include <string.h>
 #include <time.h>
 
-#include "../../gpu_export.h"
-#include "../common/logging.h"
-#include "../common/constants.h"
-#include "../common/cmd_buffer_common.h"
-#include "../common/command_buffer.h"
+#include "gpu/command_buffer/common/cmd_buffer_common.h"
+#include "gpu/command_buffer/common/command_buffer.h"
+#include "gpu/command_buffer/common/constants.h"
+#include "gpu/command_buffer/common/logging.h"
+#include "gpu/gpu_export.h"
 
 namespace gpu {
 
 // Command buffer helper class. This class simplifies ring buffer management:
 // it will allocate the buffer, give it to the buffer interface, and let the
 // user add commands to it, while taking care of the synchronization (put and
 // get). It also provides a way to ensure commands have been executed, through
 // the token mechanism:
 //
 // helper.AddCommand(...);
@@ skipping 236 matching lines @@
   // Using C runtime instead of base because this file cannot depend on base.
   clock_t last_flush_time_;
 
   friend class CommandBufferHelperTest;
   DISALLOW_COPY_AND_ASSIGN(CommandBufferHelper);
 };
 
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_CLIENT_CMD_BUFFER_HELPER_H_