Change WebLayer::addAnimation to transfer ownership of WebAnimation.

Source/core/rendering/CompositedLayerMapping.cpp

 /*
  * Copyright (C) 2009, 2010, 2011 Apple 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 1776 matching lines @@
         return false;
 
     bool hasOpacity = keyframes.containsProperty(CSSPropertyOpacity);
     bool hasFilter = keyframes.containsProperty(CSSPropertyWebkitFilter);
     int animationId = m_animationProvider->getWebAnimationId(keyframes.animationName());
 
     // Animating only some properties of the animation is not supported. So if the
     // GraphicsLayer rejects any property of the animation, we have to remove the
     // animation and return false to indicate un-accelerated animation is required.
     if (hasTransform) {
-        if (!animations.m_transformAnimation || !m_graphicsLayer->addAnimation(animations.m_transformAnimation.get()))
+        if (!animations.m_transformAnimation || !m_graphicsLayer->addAnimation(animations.m_transformAnimation.release()))
             return false;
     }
     if (hasOpacity) {
-        if (!animations.m_opacityAnimation || !m_graphicsLayer->addAnimation(animations.m_opacityAnimation.get())) {
+        if (!animations.m_opacityAnimation || !m_graphicsLayer->addAnimation(animations.m_opacityAnimation.release())) {
             if (hasTransform)
                 m_graphicsLayer->removeAnimation(animationId);
             return false;
         }
     }
     if (hasFilter) {
-        if (!animations.m_filterAnimation || !m_graphicsLayer->addAnimation(animations.m_filterAnimation.get())) {
+        if (!animations.m_filterAnimation || !m_graphicsLayer->addAnimation(animations.m_filterAnimation.release())) {
             if (hasTransform || hasOpacity)
                 m_graphicsLayer->removeAnimation(animationId);
             return false;
         }
     }
     return true;
 }
 
 void CompositedLayerMapping::animationPaused(double timeOffset, const String& animationName)
 {
@@ skipping 20 matching lines @@
     float fromOpacity = 0;
     float toOpacity = 0;
     if (property == CSSPropertyOpacity) {
         fromOpacity = compositingOpacity(fromStyle->opacity());
         toOpacity = compositingOpacity(toStyle->opacity());
     }
 
     // Although KeyframeAnimation can have multiple properties of the animation, ImplicitAnimation (= Transition) has only one animation property.
     WebAnimations animations(m_animationProvider->startTransition(timeOffset, property, fromStyle,
         toStyle, m_owningLayer->hasTransform(), m_owningLayer->hasFilter(), boxSize, fromOpacity, toOpacity));
-    if (animations.m_transformAnimation && m_graphicsLayer->addAnimation(animations.m_transformAnimation.get())) {
+    if (animations.m_transformAnimation && m_graphicsLayer->addAnimation(animations.m_transformAnimation.release())) {
         // To ensure that the correct transform is visible when the animation ends, also set the final transform.
         updateTransform(toStyle);
         return true;
     }
-    if (animations.m_opacityAnimation && m_graphicsLayer->addAnimation(animations.m_opacityAnimation.get())) {
+    if (animations.m_opacityAnimation && m_graphicsLayer->addAnimation(animations.m_opacityAnimation.release())) {
         // To ensure that the correct opacity is visible when the animation ends, also set the final opacity.
         updateOpacity(toStyle);
         return true;
     }
-    if (animations.m_filterAnimation && m_graphicsLayer->addAnimation(animations.m_filterAnimation.get())) {
+    if (animations.m_filterAnimation && m_graphicsLayer->addAnimation(animations.m_filterAnimation.release())) {
         // To ensure that the correct filter is visible when the animation ends, also set the final filter.
         updateFilters(toStyle);
         ASSERT_NOT_REACHED(); // Chromium compositor cannot accelerate filter yet.
         return false;
     }
 
     return false;
 }
 
 void CompositedLayerMapping::transitionPaused(double timeOffset, CSSPropertyID property)
@@ skipping 103 matching lines @@
     } else if (graphicsLayer == m_scrollingContentsLayer.get()) {
         name = "Scrolling Contents Layer";
     } else {
         ASSERT_NOT_REACHED();
     }
 
     return name;
 }
 
 } // namespace WebCore