Split Size into Size and Offset.

sky/engine/core/painting/Point.cpp

Index: sky/engine/core/painting/Point.cpp
diff --git a/sky/engine/core/painting/Point.cpp b/sky/engine/core/painting/Point.cpp
index e3baafff70d99efae2cdeab9ef87e231152b2a69..0c9a882b6572d9171e81d443cf7b0b0a6c97f6fc 100644
--- a/sky/engine/core/painting/Point.cpp
+++ b/sky/engine/core/painting/Point.cpp
@@ -12,21 +12,18 @@ namespace blink {
 
 // Convert handle.x,y ==> SkPoint.
 Point DartConverter<Point>::FromDart(Dart_Handle handle) {
-  Point result;
-  result.is_null = true;
-
   DCHECK(!LogIfError(handle));
-
   Dart_Handle x_value =
       Dart_GetField(handle, DOMDartState::Current()->x_handle());
   Dart_Handle y_value =
       Dart_GetField(handle, DOMDartState::Current()->y_handle());
-
   double x = 0.0, y = 0.0;
   Dart_Handle err = Dart_DoubleValue(x_value, &x);
   DCHECK(!LogIfError(err));
   err = Dart_DoubleValue(y_value, &y);
   DCHECK(!LogIfError(err));
+
+  Point result;
   result.sk_point.set(x, y);
   result.is_null = false;
   return result;