Moved viewport layer registration into WebViewImpl.

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 25 matching lines @@
 #include "platform/geometry/FloatPoint.h"
 #include "platform/geometry/FloatRect.h"
 #include "platform/geometry/IntSize.h"
 #include "platform/graphics/GraphicsLayerClient.h"
 #include "platform/scroll/ScrollableArea.h"
 #include "public/platform/WebScrollbar.h"
 #include "public/platform/WebSize.h"
 #include <memory>
 
 namespace blink {
-class WebLayerTreeView;
 class WebScrollbarLayer;
+class WebLayer;
 }
 
 namespace blink {
 
 class FrameHost;
 class GraphicsContext;
 class GraphicsLayer;
 class IntRect;
 class IntSize;
 class LocalFrame;
@@ skipping 24 matching lines @@
         return m_rootTransformLayer.get();
     }
     GraphicsLayer* containerLayer()
     {
         return m_innerViewportContainerLayer.get();
     }
     GraphicsLayer* scrollLayer()
     {
         return m_innerViewportScrollLayer.get();
     }
+    GraphicsLayer* pageScaleLayer()
+    {
+        return m_pageScaleLayer.get();
+    }
+    GraphicsLayer* overscrollElasticityLayer()
+    {
+        return m_overscrollElasticityLayer.get();
+    }
 
     void initializeScrollbars();
 
     // Sets the location of the visual viewport relative to the outer viewport. The
     // coordinates are in partial CSS pixels.
     void setLocation(const FloatPoint&);
     // FIXME: This should be called moveBy
     void move(const FloatPoint&);
     void move(const FloatSize&);
     FloatPoint location() const { return m_offset; }
@@ skipping 15 matching lines @@
     // Sets scale and location in one operation, preventing intermediate clamping.
     void setScaleAndLocation(float scale, const FloatPoint& location);
     void setScale(float);
     float scale() const { return m_scale; }
 
     // Update scale factor, magnifying or minifying by magnifyDelta, centered around
     // the point specified by anchor in window coordinates. Returns false if page
     // scale factor is left unchanged.
     bool magnifyScaleAroundAnchor(float magnifyDelta, const FloatPoint& anchor);
 
-    void registerLayersWithTreeView(WebLayerTreeView*) const;
-    void clearLayersForTreeView(WebLayerTreeView*) const;
+    void setScrollLayerOnScrollbars(WebLayer*) const;
 
     // The portion of the unzoomed frame visible in the visual viewport,
     // in partial CSS pixels. Relative to the main frame.
     FloatRect visibleRect() const;
 
     // The viewport rect relative to the document origin, in partial CSS pixels.
     // FIXME: This should be a DoubleRect since scroll offsets are now doubles.
     FloatRect visibleRectInDocument() const;
 
     // Convert the given rect in the main FrameView's coordinates into a rect
@@ skipping 120 matching lines @@
     float m_scale;
     IntSize m_size;
     float m_topControlsAdjustment;
     float m_maxPageScale;
     bool m_trackPinchZoomStatsForPage;
 };
 
 } // namespace blink
 
 #endif // VisualViewport_h