Remove more stuff from Widget.

sky/engine/platform/Widget.h

 /*
  * Copyright (C) 2004, 2005, 2006 Apple Computer, Inc.  All rights reserved.
  * Copyright (C) 2008 Collabora Ltd.  All rights reserved.
  * Copyright (C) 2013 Google Inc.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
@@ skipping 52 matching lines @@
     void move(const IntPoint& p) { setFrameRect(IntRect(p, size())); }
 
     virtual void paint(GraphicsContext*, const IntRect&) { }
     void invalidate() { invalidateRect(boundsRect()); }
     virtual void invalidateRect(const IntRect&) = 0;
 
     virtual bool isFrameView() const { return false; }
     virtual bool isScrollbar() const { return false; }
 
     virtual HostWindow* hostWindow() const { ASSERT_NOT_REACHED(); return 0; }
-    void setParent(Widget* parent) { m_parent = parent; }
     Widget* parent() const { return m_parent; }
     Widget* root() const;
 
-    IntRect convertToRootView(const IntRect&) const;
-    IntRect convertFromRootView(const IntRect&) const;
-
-    IntPoint convertToRootView(const IntPoint&) const;
-    IntPoint convertFromRootView(const IntPoint&) const;
-
-    // It is important for cross-platform code to realize that Mac has flipped coordinates. Therefore any code
-    // that tries to convert the location of a rect using the point-based convertFromContainingWindow will end
-    // up with an inaccurate rect. Always make sure to use the rect-based convertFromContainingWindow method
-    // when converting window rects.
-    IntRect convertToContainingWindow(const IntRect&) const;
-    IntRect convertFromContainingWindow(const IntRect&) const;
-
-    IntPoint convertToContainingWindow(const IntPoint&) const;
-    IntPoint convertFromContainingWindow(const IntPoint&) const;
-    FloatPoint convertFromContainingWindow(const FloatPoint&) const;
-
     // Virtual methods to convert points to/from the containing ScrollView
-    virtual IntRect convertToContainingView(const IntRect&) const;
-    virtual IntRect convertFromContainingView(const IntRect&) const;
-    virtual IntPoint convertToContainingView(const IntPoint&) const;
-    virtual IntPoint convertFromContainingView(const IntPoint&) const;
+    virtual IntRect convertToContainingView(const IntRect& localRect) const { return localRect; }
+    virtual IntRect convertFromContainingView(const IntRect& localRect) const { return localRect; }
+    virtual IntPoint convertToContainingView(const IntPoint& localPoint) const  { return localPoint; }
+    virtual IntPoint convertFromContainingView(const IntPoint& localPoint) const { return localPoint; }
 
 private:
     Widget* m_parent;
     IntRect m_frame;
 };
 
 } // namespace blink
 
 #endif // Widget_h