Compositor Animation Timelines: Fix frame swapping tests in WebFrameTest.cpp

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 2668 matching lines @@
 }
 
 void WebViewImpl::willCloseLayerTreeView()
 {
     if (m_linkHighlightsTimeline) {
         m_linkHighlights.clear();
         detachCompositorAnimationTimeline(m_linkHighlightsTimeline.get());
         m_linkHighlightsTimeline.clear();
     }
 
-    if (page())
-        page()->willCloseLayerTreeView();
+    if (page() && m_layerTreeView)
+        page()->willCloseLayerTreeView(*m_layerTreeView);
 
     setRootGraphicsLayer(nullptr);
     m_layerTreeView = nullptr;
 }
 
 void WebViewImpl::didAcquirePointerLock()
 {
     if (page())
         page()->pointerLockController().didAcquirePointerLock();
 }
@@ skipping 1530 matching lines @@
 {
     if (m_client) {
         m_client->initializeLayerTreeView();
         m_layerTreeView = m_client->layerTreeView();
     }
 
     if (WebDevToolsAgentImpl* devTools = mainFrameDevToolsAgentImpl())
         devTools->layerTreeViewChanged(m_layerTreeView);
 
     m_page->settings().setAcceleratedCompositingEnabled(m_layerTreeView);
+    if (m_layerTreeView)
+        m_page->layerTreeViewInitialized(*m_layerTreeView);
 
     // 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.
     ASSERT(m_layerTreeView || !m_client || m_client->allowsBrokenNullLayerTreeView());
 
     if (RuntimeEnabledFeatures::compositorAnimationTimelinesEnabled() && Platform::current()->isThreadedAnimationEnabled() && m_layerTreeView) {
         ASSERT(Platform::current()->compositorSupport());
         m_linkHighlightsTimeline = adoptPtr(Platform::current()->compositorSupport()->createAnimationTimeline());
         attachCompositorAnimationTimeline(m_linkHighlightsTimeline.get());
     }
@@ skipping 207 matching lines @@
     if (m_pageColorOverlay)
         m_pageColorOverlay->update();
     if (InspectorOverlay* overlay = inspectorOverlay()) {
         PageOverlay* inspectorPageOverlay = overlay->pageOverlay();
         if (inspectorPageOverlay)
             inspectorPageOverlay->update();
     }
 }
 
 } // namespace blink