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

third_party/WebKit/Source/web/ChromeClientImpl.h

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 128 matching lines @@
   // The client keeps track of which touch/mousewheel event types have handlers,
   // and if they do, whether the handlers are passive and/or blocking. This
   // allows the client to know which optimizations can be used for the
   // associated event classes.
   void setEventListenerProperties(LocalFrame*,
                                   WebEventListenerClass,
                                   WebEventListenerProperties) override;
   WebEventListenerProperties eventListenerProperties(
       LocalFrame*,
       WebEventListenerClass) const override;
-  void updateTouchRectsForSubframeIfNecessary(LocalFrame*);
+  void updateEventRectsForSubframeIfNecessary(LocalFrame*);
   // Informs client about the existence of handlers for scroll events so
   // appropriate scroll optimizations can be chosen.
   void setHasScrollEventHandlers(LocalFrame*, bool hasEventHandlers) override;
   void setTouchAction(LocalFrame*, TouchAction) override;
 
   void attachRootGraphicsLayer(GraphicsLayer*, LocalFrame* localRoot) override;
 
   void attachRootLayer(WebLayer*, LocalFrame* localRoot) override;
 
   void attachCompositorAnimationTimeline(CompositorAnimationTimeline*,
@@ skipping 91 matching lines @@
 
 DEFINE_TYPE_CASTS(ChromeClientImpl,
                   ChromeClient,
                   client,
                   client->isChromeClientImpl(),
                   client.isChromeClientImpl());
 
 }  // namespace blink
 
 #endif