Move src/gfx/ to src/ui/gfx...

gfx/canvas.cc

Index: gfx/canvas.cc
===================================================================
--- gfx/canvas.cc	(revision 73487)
+++ gfx/canvas.cc	(working copy)
@@ -1,17 +0,0 @@
-// Copyright (c) 2010 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.
-
-#include "gfx/canvas.h"
-
-namespace gfx {
-
-CanvasSkia* Canvas::AsCanvasSkia() {
-  return NULL;
-}
-
-const CanvasSkia* Canvas::AsCanvasSkia() const {
-  return NULL;
-}
-
-}  // namespace gfx;