Get rid of the relative paths in command_buffer client/common

gpu/command_buffer/client/gles2_trace_implementation.h

Index: gpu/command_buffer/client/gles2_trace_implementation.h
===================================================================
--- gpu/command_buffer/client/gles2_trace_implementation.h	(revision 201875)
+++ gpu/command_buffer/client/gles2_trace_implementation.h	(working copy)
@@ -5,9 +5,9 @@
 #ifndef GPU_COMMAND_BUFFER_CLIENT_GLES2_TRACE_IMPLEMENTATION_H_
 #define GPU_COMMAND_BUFFER_CLIENT_GLES2_TRACE_IMPLEMENTATION_H_
 
-#include "../client/gles2_interface.h"
-#include "../common/compiler_specific.h"
 #include "gles2_impl_export.h"
+#include "gpu/command_buffer/client/gles2_interface.h"
+#include "gpu/command_buffer/common/compiler_specific.h"
 
 namespace gpu {
 namespace gles2 {
@@ -21,7 +21,7 @@
   // Include the auto-generated part of this class. 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_autogen.h"
+  #include "gpu/command_buffer/client/gles2_trace_implementation_autogen.h"
 
  private:
   GLES2Interface* gl_;