Split Size into Size and Offset.

sky/engine/core/painting/Size.h

 // Copyright 2015 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.
 
-#ifndef SKY_ENGINE_CORE_PAINTING_POINT_H_
-#define SKY_ENGINE_CORE_PAINTING_POINT_H_
+#ifndef SKY_ENGINE_CORE_PAINTING_SIZE_H_
+#define SKY_ENGINE_CORE_PAINTING_SIZE_H_
 
 #include "dart/runtime/include/dart_api.h"
 #include "sky/engine/tonic/dart_converter.h"
-#include "third_party/skia/include/core/SkPoint.h"
+#include "third_party/skia/include/core/SkSize.h"
 
 namespace blink {
-// Very simple wrapper for SkPoint to add a null state.
-class Point {
+// Very simple wrapper for SkSize to add a null state.
+class Size {
  public:
-  SkPoint sk_point;
+  SkSize sk_size;
   bool is_null;
 };
 
 template <>
-struct DartConverter<Point> {
-  static Point FromDart(Dart_Handle handle);
-  static Point FromArgumentsWithNullCheck(Dart_NativeArguments args,
+struct DartConverter<Size> {
+  static Size FromDart(Dart_Handle handle);
+  static Size FromArgumentsWithNullCheck(Dart_NativeArguments args,
                                           int index,
                                           Dart_Handle& exception);
 };
 
 } // namespace blink
 
-#endif  // SKY_ENGINE_CORE_PAINTING_POINT_H_
+#endif  // SKY_ENGINE_CORE_PAINTING_SIZE_H_