Purge the ScrollBlocksOn code.

third_party/WebKit/public/platform/WebLayer.h

 /*
  * Copyright (C) 2011 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.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 15 matching lines @@
 #ifndef WebLayer_h
 #define WebLayer_h
 
 #include "WebBlendMode.h"
 #include "WebColor.h"
 #include "WebCommon.h"
 #include "WebDoublePoint.h"
 #include "WebFloatPoint3D.h"
 #include "WebPoint.h"
 #include "WebRect.h"
-#include "WebScrollBlocksOn.h"
 #include "WebSize.h"
 #include "WebString.h"
 #include "WebVector.h"
 
 class SkMatrix44;
 class SkImageFilter;
 
 namespace cc {
 class Layer;
 class LayerClient;
@@ skipping 167 matching lines @@
     virtual WebVector<WebRect> nonFastScrollableRegion() const = 0;
 
     virtual void setTouchEventHandlerRegion(const WebVector<WebRect>&) = 0;
     virtual WebVector<WebRect> touchEventHandlerRegion() const = 0;
 
     // Setter and getter for Frame Timing rects.
     // See http://w3c.github.io/frame-timing/ for definition of terms.
     virtual void setFrameTimingRequests(const WebVector<std::pair<int64_t, WebRect>>&) = 0;
     virtual WebVector<std::pair<int64_t, WebRect>> frameTimingRequests() const = 0;
 
-    // FIXME: Make pure once cc is updated.  crbug.com/347272
-    virtual void setScrollBlocksOn(WebScrollBlocksOn) { }
-    virtual WebScrollBlocksOn scrollBlocksOn() const { return WebScrollBlocksOnNone; }
-
     virtual void setIsContainerForFixedPositionLayers(bool) = 0;
     virtual bool isContainerForFixedPositionLayers() const = 0;
 
     // This function sets layer position constraint. The constraint will be used
     // to adjust layer position during threaded scrolling.
     virtual void setPositionConstraint(const WebLayerPositionConstraint&) = 0;
     virtual WebLayerPositionConstraint positionConstraint() const = 0;
 
     // The scroll client is notified when the scroll position of the WebLayer
     // changes. Only a single scroll client can be set for a WebLayer at a time.
@@ skipping 18 matching lines @@
     virtual void setElementId(uint64_t) = 0;
     virtual uint64_t elementId() const = 0;
 
     virtual void setCompositorMutableProperties(uint32_t) = 0;
     virtual uint32_t compositorMutableProperties() const = 0;
 };
 
 } // namespace blink
 
 #endif // WebLayer_h