Removed FrameView's windowToContents and contentsToWindow methods.

Source/core/frame/PinchViewport.h

 /*
  * 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 135 matching lines @@
     // more than just scrolling so we can't simply resize it without incurring
     // all sorts of side-effects. Until we can seperate out the scrollability
     // aspect from FrameView, we use this method to let PinchViewport make the
     // necessary adjustments so that we don't incorrectly clamp scroll offsets
     // coming from the compositor. crbug.com/422328
     void setTopControlsAdjustment(float);
 
     // Adjust the viewport's offset so that it remains bounded by the outer
     // viepwort.
     void clampToBoundaries();
+
+    FloatRect viewportToRootFrame(const FloatRect&) const;
+    IntRect viewportToRootFrame(const IntRect&) const;
+    FloatRect rootFrameToViewport(const FloatRect&) const;
+    IntRect rootFrameToViewport(const IntRect&) const;
+
+    FloatPoint viewportToRootFrame(const FloatPoint&) const;
+    FloatPoint rootFrameToViewport(const FloatPoint&) const;
+    IntPoint viewportToRootFrame(const IntPoint&) const;
+    IntPoint rootFrameToViewport(const IntPoint&) const;
 private:
     explicit PinchViewport(FrameHost&);
 
     // ScrollableArea implementation
     virtual bool shouldUseIntegerScrollOffset() const override;
     virtual bool isActive() const override { return false; }
     virtual int scrollSize(ScrollbarOrientation) const override;
     virtual bool isScrollCornerVisible() const override { return false; }
     virtual IntRect scrollCornerRect() const override { return IntRect(); }
     virtual IntPoint scrollPosition() const override { return flooredIntPoint(m_offset); }
@@ skipping 45 matching lines @@
     // Offset of the pinch viewport from the main frame's origin, in CSS pixels.
     FloatPoint m_offset;
     float m_scale;
     IntSize m_size;
     float m_topControlsAdjustment;
 };
 
 } // namespace blink
 
 #endif // PinchViewport_h