Rename classes related to top controls

third_party/WebKit/Source/core/frame/VisualViewport.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 122 matching lines @@
   // in the viewport. The given and returned rects are in CSS pixels, meaning
   // scale isn't applied.
   FloatRect mainViewToViewportCSSPixels(const FloatRect&) const;
   FloatPoint viewportCSSPixelsToRootFrame(const FloatPoint&) const;
 
   // Clamp the given point, in document coordinates, to the maximum/minimum
   // scroll extents of the viewport within the document.
   IntPoint clampDocumentOffsetAtScale(const IntPoint& offset, float scale);
 
   // FIXME: This is kind of a hack. Ideally, we would just resize the
-  // viewports to account for top controls. However, FrameView includes much
+  // viewports to account for browser controls. However, FrameView includes much
   // 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 VisualViewport make the
   // necessary adjustments so that we don't incorrectly clamp scroll offsets
   // coming from the compositor. crbug.com/422328
-  void setTopControlsAdjustment(float);
+  void setBrowserControlsAdjustment(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;
 
@@ skipping 97 matching lines @@
   std::unique_ptr<GraphicsLayer> m_innerViewportScrollLayer;
   std::unique_ptr<GraphicsLayer> m_overlayScrollbarHorizontal;
   std::unique_ptr<GraphicsLayer> m_overlayScrollbarVertical;
   std::unique_ptr<WebScrollbarLayer> m_webOverlayScrollbarHorizontal;
   std::unique_ptr<WebScrollbarLayer> m_webOverlayScrollbarVertical;
 
   // Offset of the visual viewport from the main frame's origin, in CSS pixels.
   ScrollOffset m_offset;
   float m_scale;
   IntSize m_size;
-  float m_topControlsAdjustment;
+  float m_browserControlsAdjustment;
   float m_maxPageScale;
   bool m_trackPinchZoomStatsForPage;
 };
 
 }  // namespace blink
 
 #endif  // VisualViewport_h