Move skia_utils_mac from base/gfx to skia/ext.

skia/ext/platform_device_mac.cc

 // Copyright (c) 2006-2008 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 "skia/ext/bitmap_platform_device_mac.h"
 
 #include "base/logging.h"
-#include "base/gfx/skia_utils_mac.h"
+#include "skia/ext/skia_utils_mac.h"
 #include "SkMatrix.h"
 #include "SkPath.h"
 #include "SkUtils.h"
 
 namespace gfx {
 
 namespace {
 
 // Constrains position and size to fit within available_size.
 bool constrain(int available_size, int* position, int *size) {
@@ skipping 133 matching lines @@
     path.transform(transformation);
     // TODO(playmobil): Implement.
     NOTREACHED();
     // LoadPathToDC(context, path);
     // hrgn = PathToRegion(context);
   }
 }
 
 }  // namespace gfx