Candidate fix for PointerEvent-OOPIF combination not working.

third_party/WebKit/Source/web/ChromeClientImpl.cpp

 /*
  * 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 955 matching lines @@
   if (WebLayerTreeView* treeView = m_webView->layerTreeView())
     treeView->setHaveScrollEventHandlers(hasEventHandlers);
 }
 
 bool ChromeClientImpl::hasScrollEventHandlers() const {
   if (WebLayerTreeView* treeView = m_webView->layerTreeView())
     return treeView->haveScrollEventHandlers();
   return false;
 }
 
-void ChromeClientImpl::setTouchAction(TouchAction touchAction) {
-  if (WebViewClient* client = m_webView->client())
+void ChromeClientImpl::setTouchAction(LocalFrame* frame,
+                                      TouchAction touchAction) {
+  DCHECK(frame);
+  WebLocalFrameImpl* webFrame = WebLocalFrameImpl::fromFrame(frame);
+  WebFrameWidgetBase* widget = webFrame->localRoot()->frameWidget();
+  if (!widget)
+    return;
+
+  if (WebWidgetClient* client = widget->client())
     client->setTouchAction(static_cast<WebTouchAction>(touchAction));
 }
 
 bool ChromeClientImpl::requestPointerLock(LocalFrame* frame) {
   LocalFrame* localRoot = frame->localFrameRoot();
   return WebLocalFrameImpl::fromFrame(localRoot)
       ->frameWidget()
       ->client()
       ->requestPointerLock();
 }
@@ skipping 169 matching lines @@
     PresentationController::provideTo(frame, client->presentationClient());
   if (RuntimeEnabledFeatures::audioOutputDevicesEnabled()) {
     provideAudioOutputDeviceClientTo(frame,
                                      new AudioOutputDeviceClientImpl(frame));
   }
   if (RuntimeEnabledFeatures::installedAppEnabled())
     InstalledAppController::provideTo(frame, client->installedAppClient());
 }
 
 }  // namespace blink