Get rid of ScrollView.

sky/engine/core/page/scrolling/ScrollingCoordinator.cpp

 /*
  * Copyright (C) 2011 Apple 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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 133 matching lines @@
     bool frameIsScrollable = frameView && frameView->isScrollable();
     if (m_shouldScrollOnMainThreadDirty || m_wasFrameScrollable != frameIsScrollable) {
         setShouldUpdateScrollLayerPositionOnMainThread(mainThreadScrollingReasons());
         m_shouldScrollOnMainThreadDirty = false;
     }
     m_wasFrameScrollable = frameIsScrollable;
 
     // The mainFrame view doesn't get included in the FrameTree below, so we
     // update its size separately.
     if (WebLayer* scrollingWebLayer = frameView ? toWebLayer(frameView->layerForScrolling()) : 0) {
-        scrollingWebLayer->setBounds(frameView->contentsSize());
-        scrollingWebLayer->setScrollClipLayer(toWebLayer(frameView->layerForContainer()));
+        scrollingWebLayer->setBounds(frameView->size());
     }
 }
 
 void ScrollingCoordinator::setLayerIsContainerForFixedPositionLayers(GraphicsLayer* layer, bool enable)
 {
     if (WebLayer* scrollableLayer = toWebLayer(layer))
         scrollableLayer->setIsContainerForFixedPositionLayers(enable);
 }
 
 static void clearPositionConstraintExceptForLayer(GraphicsLayer* layer, GraphicsLayer* except)
@@ skipping 584 matching lines @@
     ASSERT(m_page);
 
     if (!coordinatesScrollingForFrameView(frameView))
         return;
 
     m_shouldScrollOnMainThreadDirty = true;
 }
 
 bool ScrollingCoordinator::isForMainFrame(ScrollableArea* scrollableArea) const
 {
-    return scrollableArea == m_page->mainFrame()->view();
+    // FIXME(sky): Remove
+    return false;
 }
 
 void ScrollingCoordinator::frameViewRootLayerDidChange(FrameView* frameView)
 {
     ASSERT(isMainThread());
     ASSERT(m_page);
 
     if (!coordinatesScrollingForFrameView(frameView))
         return;
 
@@ skipping 80 matching lines @@
 }
 
 String ScrollingCoordinator::mainThreadScrollingReasonsAsText() const
 {
     ASSERT(m_page->mainFrame()->document()->lifecycle().state() >= DocumentLifecycle::CompositingClean);
     return mainThreadScrollingReasonsAsText(m_lastMainThreadScrollingReasons);
 }
 
 bool ScrollingCoordinator::frameViewIsDirty() const
 {
-    FrameView* frameView = m_page->mainFrame()->view();
-    bool frameIsScrollable = frameView && frameView->isScrollable();
-    if (frameIsScrollable != m_wasFrameScrollable)
-        return true;
-
-    if (WebLayer* scrollLayer = frameView ? toWebLayer(frameView->layerForScrolling()) : 0)
-        return blink::WebSize(frameView->contentsSize()) != scrollLayer->bounds();
+    // FIXME(sky): Remove
     return false;
 }
 
 } // namespace blink