ui: Move gl/ directory out of gfx/, up to ui/.

ui/gl/gl_surface_wgl.cc

Index: ui/gl/gl_surface_wgl.cc
diff --git a/ui/gfx/gl/gl_surface_wgl.cc b/ui/gl/gl_surface_wgl.cc
similarity index 99%
rename from ui/gfx/gl/gl_surface_wgl.cc
rename to ui/gl/gl_surface_wgl.cc
index 3d7571ddc991bcdf497e9b7c56072514bc551cfa..a72c825a185268e4555c8b6ec6275d4cec4e7325 100644
--- a/ui/gfx/gl/gl_surface_wgl.cc
+++ b/ui/gl/gl_surface_wgl.cc
@@ -2,11 +2,11 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "ui/gfx/gl/gl_surface_wgl.h"
+#include "ui/gl/gl_surface_wgl.h"
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
-#include "ui/gfx/gl/gl_bindings.h"
+#include "ui/gl/gl_bindings.h"
 
 namespace gfx {