Remove FrameView::containsScrollableArea

Source/core/page/EventHandler.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2012 Digia Plc. and/or its subsidiary(-ies)
  *
  * 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.
@@ skipping 1432 matching lines @@
 
     RenderLayer* layer = renderer->enclosingLayer();
     if (!layer)
         return 0;
 
     return layer;
 }
 
 ScrollableArea* EventHandler::associatedScrollableArea(const RenderLayer* layer) const
 {
-    ScrollableArea* layerScrollableArea = layer->scrollableArea();
-    if (!layerScrollableArea)
-        return 0;
-
-    if (FrameView* frameView = m_frame->view()) {
-        if (frameView->containsScrollableArea(layerScrollableArea))
-            return layerScrollableArea;
+    if (RenderLayerScrollableArea* scrollableArea = layer->scrollableArea()) {
+        if (scrollableArea->scrollsOverflow())
+            return scrollableArea;
     }
 
     return 0;
 }
 
 bool EventHandler::handleMouseMoveEvent(const PlatformMouseEvent& event)
 {
     TRACE_EVENT0("webkit", "EventHandler::handleMouseMoveEvent");
 
     RefPtr<FrameView> protector(m_frame->view());
@@ skipping 2569 matching lines @@
 unsigned EventHandler::accessKeyModifiers()
 {
 #if OS(MACOSX)
     return PlatformEvent::CtrlKey | PlatformEvent::AltKey;
 #else
     return PlatformEvent::AltKey;
 #endif
 }
 
 } // namespace WebCore