Change includes of gfx/* to ui/gfx/*

gpu/command_buffer/service/gles2_cmd_decoder_mock.h

Index: gpu/command_buffer/service/gles2_cmd_decoder_mock.h
===================================================================
--- gpu/command_buffer/service/gles2_cmd_decoder_mock.h	(revision 73642)
+++ gpu/command_buffer/service/gles2_cmd_decoder_mock.h	(working copy)
@@ -9,10 +9,10 @@
 
 #include <vector>
 
-#include "gfx/size.h"
 #include "gpu/command_buffer/service/gles2_cmd_decoder.h"
 #include "base/callback.h"
 #include "testing/gmock/include/gmock/gmock.h"
+#include "ui/gfx/size.h"
 
 namespace gpu {
 class GLContext;