Give OOPIF FrameViews their own scroll animation timelines and hosts

third_party/WebKit/Source/web/WebViewImpl.cpp

 /*
  * Copyright (C) 2011, 2012 Google Inc. All rights reserved.
  *
  * 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.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 2497 matching lines @@
 }
 
 void WebViewImpl::willCloseLayerTreeView() {
   if (m_linkHighlightsTimeline) {
     m_linkHighlights.clear();
     detachCompositorAnimationTimeline(m_linkHighlightsTimeline.get());
     m_linkHighlightsTimeline.reset();
   }
 
   if (m_layerTreeView)
-    page()->willCloseLayerTreeView(*m_layerTreeView);
+    page()->willCloseLayerTreeView(*m_layerTreeView, nullptr);
 
   setRootLayer(nullptr);
   m_animationHost = nullptr;
 
   m_mutator = nullptr;
   m_layerTreeView = nullptr;
 }
 
 void WebViewImpl::didAcquirePointerLock() {
   if (page())
@@ skipping 1420 matching lines @@
       m_animationHost = WTF::makeUnique<CompositorAnimationHost>(
           m_layerTreeView->compositorAnimationHost());
     }
   }
 
   if (WebDevToolsAgentImpl* devTools = mainFrameDevToolsAgentImpl())
     devTools->layerTreeViewChanged(m_layerTreeView);
 
   m_page->settings().setAcceleratedCompositingEnabled(m_layerTreeView);
   if (m_layerTreeView)
-    m_page->layerTreeViewInitialized(*m_layerTreeView);
+    m_page->layerTreeViewInitialized(*m_layerTreeView, nullptr);
 
   // FIXME: only unittests, click to play, Android printing, and printing (for
   // headers and footers) make this assert necessary. We should make them not
   // hit this code and then delete allowsBrokenNullLayerTreeView.
   DCHECK(m_layerTreeView || !m_client ||
          m_client->widgetClient()->allowsBrokenNullLayerTreeView());
 
   if (Platform::current()->isThreadedAnimationEnabled() && m_layerTreeView) {
     m_linkHighlightsTimeline = CompositorAnimationTimeline::create();
     attachCompositorAnimationTimeline(m_linkHighlightsTimeline.get());
@@ skipping 221 matching lines @@
   if (focusedFrame->localFrameRoot() != mainFrameImpl()->frame())
     return nullptr;
   return focusedFrame;
 }
 
 LocalFrame* WebViewImpl::focusedLocalFrameAvailableForIme() const {
   return m_imeAcceptEvents ? focusedLocalFrameInWidget() : nullptr;
 }
 
 }  // namespace blink