Animations: Port LinkHighlight to use compositor timelines.

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 100 matching lines @@
 #include "platform/fonts/FontCache.h"
 #include "platform/graphics/Color.h"
 #include "platform/graphics/FirstPaintInvalidationTracking.h"
 #include "platform/graphics/Image.h"
 #include "platform/graphics/ImageBuffer.h"
 #include "platform/graphics/gpu/DrawingBuffer.h"
 #include "platform/scroll/ScrollbarTheme.h"
 #include "platform/weborigin/SchemeRegistry.h"
 #include "public/platform/Platform.h"
 #include "public/platform/WebCompositeAndReadbackAsyncCallback.h"
+#include "public/platform/WebCompositorSupport.h"
 #include "public/platform/WebDragData.h"
 #include "public/platform/WebFloatPoint.h"
 #include "public/platform/WebGestureCurve.h"
 #include "public/platform/WebImage.h"
 #include "public/platform/WebLayerTreeView.h"
 #include "public/platform/WebURLRequest.h"
 #include "public/platform/WebVector.h"
 #include "public/web/WebAXObject.h"
 #include "public/web/WebActiveWheelFlingParameters.h"
 #include "public/web/WebAutofillClient.h"
@@ skipping 2535 matching lines @@
     }
 }
 
 bool WebViewImpl::isAcceleratedCompositingActive() const
 {
     return m_rootLayer;
 }
 
 void WebViewImpl::willCloseLayerTreeView()
 {
+    if (m_linkHighlightsTimeline) {
+        detachCompositorAnimationTimeline(m_linkHighlightsTimeline.get());
+        m_linkHighlightsTimeline.clear();
+    }
+
     setRootGraphicsLayer(nullptr);
     m_layerTreeView = 0;
 }
 
 void WebViewImpl::didAcquirePointerLock()
 {
     if (page())
         page()->pointerLockController().didAcquirePointerLock();
 }
 
@@ skipping 1469 matching lines @@
     }
 
     if (WebDevToolsAgentImpl* devTools = mainFrameDevToolsAgentImpl())
         devTools->layerTreeViewChanged(m_layerTreeView);
 
     m_page->settings().setAcceleratedCompositingEnabled(m_layerTreeView != 0);
 
     // FIXME: only unittests, click to play, Android priting, 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() && m_layerTreeView) {
+        ASSERT(Platform::current()->compositorSupport());
+        m_linkHighlightsTimeline = adoptPtr(Platform::current()->compositorSupport()->createAnimationTimeline());
+        attachCompositorAnimationTimeline(m_linkHighlightsTimeline.get());
+    }
 }
 
 void WebViewImpl::applyViewportDeltas(
     const WebFloatSize& pinchViewportDelta,
     const WebFloatSize& layoutViewportDelta,
     const WebFloatSize& elasticOverscrollDelta,
     float pageScaleDelta,
     float topControlsShownRatioDelta)
 {
     if (!mainFrameImpl())
@@ skipping 198 matching lines @@
 {
     WebGLRenderingContext::forceNextWebGLContextCreationToFail();
 }
 
 void WebViewImpl::forceNextDrawingBufferCreationToFail()
 {
     DrawingBuffer::forceNextDrawingBufferCreationToFail();
 }
 
 } // namespace blink