Get rid of the relative paths in command_buffer client/common

gpu/command_buffer/client/gles2_trace_implementation.cc

Index: gpu/command_buffer/client/gles2_trace_implementation.cc
===================================================================
--- gpu/command_buffer/client/gles2_trace_implementation.cc	(revision 201875)
+++ gpu/command_buffer/client/gles2_trace_implementation.cc	(working copy)
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "../client/gles2_trace_implementation.h"
-#include "../common/trace_event.h"
+#include "gpu/command_buffer/client/gles2_trace_implementation.h"
+#include "gpu/command_buffer/common/trace_event.h"
 
 namespace gpu {
 namespace gles2 {
@@ -18,7 +18,7 @@
 // Include the auto-generated part of this file. We split this because it means
 // we can easily edit the non-auto generated parts right here in this file
 // instead of having to edit some template or the code generator.
-#include "../client/gles2_trace_implementation_impl_autogen.h"
+#include "gpu/command_buffer/client/gles2_trace_implementation_impl_autogen.h"
 
 }  // namespace gles2
 }  // namespace gpu