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

third_party/WebKit/Source/core/frame/FrameView.cpp

 /*
  * Copyright (C) 1998, 1999 Torben Weis <weis@kde.org>
  *                     1999 Lars Knoll <knoll@kde.org>
  *                     1999 Antti Koivisto <koivisto@kde.org>
  *                     2000 Dirk Mueller <mueller@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
  *           (C) 2006 Graham Dennis (graham.dennis@gmail.com)
  *           (C) 2006 Alexey Proskuryakov (ap@nypop.com)
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
@@ skipping 3056 matching lines @@
         if (!RuntimeEnabledFeatures::slimmingPaintV2Enabled()) {
           if (view.compositor()->inCompositingMode())
             scrollingCoordinator()->updateAfterCompositingChangeIfNeeded();
         }
 
         if (LocalFrame* localFrame = m_frame->localFrameRoot()) {
           // This is needed since, at present, the ScrollingCoordinator doesn't
           // send rects for oopif sub-frames.
           // TODO(wjmaclean): Remove this pathway when ScrollingCoordinator
           // operates on a per-frame basis. https://crbug.com/680606
-          frame().page()->chromeClient().updateTouchRectsForSubframeIfNecessary(
+          frame().page()->chromeClient().updateEventRectsForSubframeIfNecessary(
               localFrame);
         }
         updateCompositedSelectionIfNeeded();
       }
 
       // TODO(pdr): prePaint should be under the "Paint" devtools timeline step
       // for slimming paint v2.
       if (targetState >= DocumentLifecycle::PrePaintClean)
         prePaint();
     }
@@ skipping 2165 matching lines @@
 void FrameView::setAnimationHost(
     std::unique_ptr<CompositorAnimationHost> host) {
   m_animationHost = std::move(host);
 }
 
 LayoutUnit FrameView::caretWidth() const {
   return LayoutUnit(getHostWindow()->windowToViewportScalar(1));
 }
 
 }  // namespace blink