Refactor ScrollableArea::setScrollPosition.

third_party/WebKit/Source/core/frame/VisualViewport.cpp

 /*
  * 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 605 matching lines @@
 
 IntSize VisualViewport::contentsSize() const {
   LocalFrame* frame = mainFrame();
 
   if (!frame || !frame->view())
     return IntSize();
 
   return frame->view()->visibleContentRect(IncludeScrollbars).size();
 }
 
-void VisualViewport::setScrollOffset(const DoublePoint& offset,
-                                     ScrollType scrollType) {
-  if (didSetScaleOrLocation(m_scale, toFloatPoint(offset)) &&
+void VisualViewport::updateScrollPosition(const DoublePoint& position,
+                                          ScrollType scrollType) {
+  if (didSetScaleOrLocation(m_scale, toFloatPoint(position)) &&
       scrollType != AnchoringScroll)
     notifyRootFrameViewport();
 }
 
 GraphicsLayer* VisualViewport::layerForContainer() const {
   return m_innerViewportContainerLayer.get();
 }
 
 GraphicsLayer* VisualViewport::layerForScrolling() const {
   return m_innerViewportScrollLayer.get();
@@ skipping 199 matching lines @@
   } else if (graphicsLayer == m_rootTransformLayer.get()) {
     name = "Root Transform Layer";
   } else {
     ASSERT_NOT_REACHED();
   }
 
   return name;
 }
 
 }  // namespace blink