More cleanup of dead code now that we don't have frame-level scrolling.

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 67 matching lines @@
 PassOwnPtr<ScrollingCoordinator> ScrollingCoordinator::create(Page* page)
 {
     return adoptPtr(new ScrollingCoordinator(page));
 }
 
 ScrollingCoordinator::ScrollingCoordinator(Page* page)
     : m_page(page)
     , m_scrollGestureRegionIsDirty(false)
     , m_touchEventTargetRectsAreDirty(false)
     , m_shouldScrollOnMainThreadDirty(false)
-    , m_wasFrameScrollable(false)
 {
 }
 
 ScrollingCoordinator::~ScrollingCoordinator()
 {
 }
 
 void ScrollingCoordinator::setShouldHandleScrollGestureOnMainThreadRegion(const Region& region)
 {
     if (WebLayer* scrollLayer = toWebLayer(m_page->mainFrame()->view()->layerForScrolling())) {
@@ skipping 31 matching lines @@
         Region shouldHandleScrollGestureOnMainThreadRegion = computeShouldHandleScrollGestureOnMainThreadRegion(m_page->mainFrame(), IntPoint());
         setShouldHandleScrollGestureOnMainThreadRegion(shouldHandleScrollGestureOnMainThreadRegion);
         m_scrollGestureRegionIsDirty = false;
     }
 
     if (m_touchEventTargetRectsAreDirty) {
         updateTouchEventTargetRectsIfNeeded();
         m_touchEventTargetRectsAreDirty = false;
     }
 
-    FrameView* frameView = m_page->mainFrame()->view();
-    m_wasFrameScrollable = frameView && frameView->isScrollable();
-
     // The mainFrame view doesn't get included in the FrameTree below, so we
     // update its size separately.
+    FrameView* frameView = m_page->mainFrame()->view();
     if (WebLayer* scrollingWebLayer = frameView ? toWebLayer(frameView->layerForScrolling()) : 0) {
         scrollingWebLayer->setBounds(frameView->size());
     }
 }
 
 void ScrollingCoordinator::willDestroyScrollableArea(ScrollableArea* scrollableArea)
 {
     removeWebScrollbarLayer(scrollableArea, HorizontalScrollbar);
     removeWebScrollbarLayer(scrollableArea, VerticalScrollbar);
 }
@@ skipping 257 matching lines @@
 void ScrollingCoordinator::reset()
 {
     for (ScrollbarMap::iterator it = m_horizontalScrollbars.begin(); it != m_horizontalScrollbars.end(); ++it)
         GraphicsLayer::unregisterContentsLayer(it->value->layer());
     for (ScrollbarMap::iterator it = m_verticalScrollbars.begin(); it != m_verticalScrollbars.end(); ++it)
         GraphicsLayer::unregisterContentsLayer(it->value->layer());
 
     m_horizontalScrollbars.clear();
     m_verticalScrollbars.clear();
     m_layersWithTouchRects.clear();
-    m_wasFrameScrollable = false;
 }
 
 // Note that in principle this could be called more often than computeTouchEventTargetRects, for
 // example during a non-composited scroll (although that's not yet implemented - crbug.com/261307).
 void ScrollingCoordinator::setTouchEventTargetRects(LayerHitTestRects& layerRects)
 {
     TRACE_EVENT0("input", "ScrollingCoordinator::setTouchEventTargetRects");
 
     // Update the list of layers with touch hit rects.
     HashSet<const RenderLayer*> oldLayersWithTouchRects;
@@ skipping 239 matching lines @@
 }
 #endif
 
 bool ScrollingCoordinator::frameViewIsDirty() const
 {
     // FIXME(sky): Remove
     return false;
 }
 
 } // namespace blink