Mark sub-frame root layer non-fast scrollable when wheel handlers present.

third_party/WebKit/Source/core/page/ChromeClient.h

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple, Inc. All rights
  * reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
  * Copyright (C) 2012 Samsung Electronics. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
@@ skipping 247 matching lines @@
   virtual void clearCompositedSelection(LocalFrame*) {}
   virtual void updateCompositedSelection(LocalFrame*,
                                          const CompositedSelection&) {}
 
   virtual void setEventListenerProperties(LocalFrame*,
                                           WebEventListenerClass,
                                           WebEventListenerProperties) = 0;
   virtual WebEventListenerProperties eventListenerProperties(
       LocalFrame*,
       WebEventListenerClass) const = 0;
-  virtual void updateTouchRectsForSubframeIfNecessary(LocalFrame*) = 0;
+  virtual void updateEventRectsForSubframeIfNecessary(LocalFrame*) = 0;
   virtual void setHasScrollEventHandlers(LocalFrame*, bool) = 0;
 
   virtual void setTouchAction(LocalFrame*, TouchAction) = 0;
 
   // Checks if there is an opened popup, called by LayoutMenuList::showPopup().
   virtual bool hasOpenedPopup() const = 0;
   virtual PopupMenu* openPopupMenu(LocalFrame&, HTMLSelectElement&) = 0;
   virtual DOMWindow* pagePopupWindowForTesting() const = 0;
 
   virtual void postAccessibilityNotification(AXObject*,
@@ skipping 96 matching lines @@
   WeakMember<Node> m_lastMouseOverNode;
   LayoutPoint m_lastToolTipPoint;
   String m_lastToolTipText;
 
   FRIEND_TEST_ALL_PREFIXES(ChromeClientTest, SetToolTipFlood);
 };
 
 }  // namespace blink
 
 #endif  // ChromeClient_h