Merge changes Ide388898,Ic49f367c,I1158a808,Iacb6ca5d,I2100dd3a,I5c1abe54,Ib0ef9902,I31dbc523,I570314b3

* changes:
  Merge WebKit at r75315: Update WebKit version
  Merge WebKit at r75315: Add FrameLoaderClient PageCache stubs
  Merge WebKit at r75315: Stub out AXObjectCache::remove()
  Merge WebKit at r75315: Fix ImageBuffer
  Merge WebKit at r75315: Fix PluginData::initPlugins()
  Merge WebKit at r75315: Fix conflicts
  Merge WebKit at r75315: Fix Makefiles
  Merge WebKit at r75315: Move Android-specific WebCore files to Source
  Merge WebKit at r75315: Initial merge by git.

1 files changed, 615 insertions, 0 deletions

diff --git a/Source/WebCore/page/animation/AnimationController.cpp b/Source/WebCore/page/animation/AnimationController.cpp
new file mode 100644
index 0000000..e1281dd
--- /dev/null
+++ b/Source/WebCore/page/animation/AnimationController.cpp
@@ -0,0 +1,615 @@
+/*
+ * Copyright (C) 2007, 2008, 2009 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
+ *     documentation and/or other materials provided with the distribution. 
+ * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ *     its contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+#include "AnimationController.h"
+
+#include "AnimationBase.h"
+#include "AnimationControllerPrivate.h"
+#include "CSSParser.h"
+#include "CompositeAnimation.h"
+#include "EventNames.h"
+#include "Frame.h"
+#include "RenderView.h"
+#include "WebKitAnimationEvent.h"
+#include "WebKitTransitionEvent.h"
+#include <wtf/CurrentTime.h>
+#include <wtf/UnusedParam.h>
+
+namespace WebCore {
+
+static const double cAnimationTimerDelay = 0.025;
+static const double cBeginAnimationUpdateTimeNotSet = -1;
+
+AnimationControllerPrivate::AnimationControllerPrivate(Frame* frame)
+    : m_animationTimer(this, &AnimationControllerPrivate::animationTimerFired)
+    , m_updateStyleIfNeededDispatcher(this, &AnimationControllerPrivate::updateStyleIfNeededDispatcherFired)
+    , m_frame(frame)
+    , m_beginAnimationUpdateTime(cBeginAnimationUpdateTimeNotSet)
+    , m_styleAvailableWaiters(0)
+    , m_lastStyleAvailableWaiter(0)
+    , m_startTimeResponseWaiters(0)
+    , m_lastStartTimeResponseWaiter(0)
+    , m_waitingForStartTimeResponse(false)
+{
+}
+
+AnimationControllerPrivate::~AnimationControllerPrivate()
+{
+}
+
+PassRefPtr<CompositeAnimation> AnimationControllerPrivate::accessCompositeAnimation(RenderObject* renderer)
+{
+    RefPtr<CompositeAnimation> animation = m_compositeAnimations.get(renderer);
+    if (!animation) {
+        animation = CompositeAnimation::create(this);
+        m_compositeAnimations.set(renderer, animation);
+    }
+    return animation;
+}
+
+bool AnimationControllerPrivate::clear(RenderObject* renderer)
+{
+    // Return false if we didn't do anything OR we are suspended (so we don't try to
+    // do a setNeedsStyleRecalc() when suspended).
+    PassRefPtr<CompositeAnimation> animation = m_compositeAnimations.take(renderer);
+    if (!animation)
+        return false;
+    animation->clearRenderer();
+    return animation->suspended();
+}
+
+void AnimationControllerPrivate::updateAnimationTimer(bool callSetChanged/* = false*/)
+{
+    double needsService = -1;
+    bool calledSetChanged = false;
+
+    RenderObjectAnimationMap::const_iterator animationsEnd = m_compositeAnimations.end();
+    for (RenderObjectAnimationMap::const_iterator it = m_compositeAnimations.begin(); it != animationsEnd; ++it) {
+        CompositeAnimation* compAnim = it->second.get();
+        if (!compAnim->suspended() && compAnim->hasAnimations()) {
+            double t = compAnim->timeToNextService();
+            if (t != -1 && (t < needsService || needsService == -1))
+                needsService = t;
+            if (needsService == 0) {
+                if (callSetChanged) {
+                    Node* node = it->first->node();
+                    ASSERT(!node || (node->document() && !node->document()->inPageCache()));
+                    node->setNeedsStyleRecalc(SyntheticStyleChange);
+                    calledSetChanged = true;
+                }
+                else
+                    break;
+            }
+        }
+    }
+    
+    if (calledSetChanged)
+        m_frame->document()->updateStyleIfNeeded();
+    
+    // If we want service immediately, we start a repeating timer to reduce the overhead of starting
+    if (needsService == 0) {
+        if (!m_animationTimer.isActive() || m_animationTimer.repeatInterval() == 0)
+            m_animationTimer.startRepeating(cAnimationTimerDelay);
+        return;
+    }
+    
+    // If we don't need service, we want to make sure the timer is no longer running
+    if (needsService < 0) {
+        if (m_animationTimer.isActive())
+            m_animationTimer.stop();
+        return;
+    }
+    
+    // Otherwise, we want to start a one-shot timer so we get here again
+    if (m_animationTimer.isActive())
+        m_animationTimer.stop();
+    m_animationTimer.startOneShot(needsService);
+}
+
+void AnimationControllerPrivate::updateStyleIfNeededDispatcherFired(Timer<AnimationControllerPrivate>*)
+{
+    fireEventsAndUpdateStyle();
+}
+
+void AnimationControllerPrivate::fireEventsAndUpdateStyle()
+{
+    // Protect the frame from getting destroyed in the event handler
+    RefPtr<Frame> protector = m_frame;
+
+    bool updateStyle = !m_eventsToDispatch.isEmpty() || !m_nodeChangesToDispatch.isEmpty();
+    
+    // fire all the events
+    Vector<EventToDispatch>::const_iterator eventsToDispatchEnd = m_eventsToDispatch.end();
+    for (Vector<EventToDispatch>::const_iterator it = m_eventsToDispatch.begin(); it != eventsToDispatchEnd; ++it) {
+        if (it->eventType == eventNames().webkitTransitionEndEvent)
+            it->element->dispatchEvent(WebKitTransitionEvent::create(it->eventType, it->name, it->elapsedTime));
+        else
+            it->element->dispatchEvent(WebKitAnimationEvent::create(it->eventType, it->name, it->elapsedTime));
+    }
+    
+    m_eventsToDispatch.clear();
+    
+    // call setChanged on all the elements
+    Vector<RefPtr<Node> >::const_iterator nodeChangesToDispatchEnd = m_nodeChangesToDispatch.end();
+    for (Vector<RefPtr<Node> >::const_iterator it = m_nodeChangesToDispatch.begin(); it != nodeChangesToDispatchEnd; ++it)
+        (*it)->setNeedsStyleRecalc(SyntheticStyleChange);
+    
+    m_nodeChangesToDispatch.clear();
+    
+    if (updateStyle && m_frame)
+        m_frame->document()->updateStyleIfNeeded();
+}
+
+void AnimationControllerPrivate::startUpdateStyleIfNeededDispatcher()
+{
+    if (!m_updateStyleIfNeededDispatcher.isActive())
+        m_updateStyleIfNeededDispatcher.startOneShot(0);
+}
+
+void AnimationControllerPrivate::addEventToDispatch(PassRefPtr<Element> element, const AtomicString& eventType, const String& name, double elapsedTime)
+{
+    m_eventsToDispatch.grow(m_eventsToDispatch.size()+1);
+    EventToDispatch& event = m_eventsToDispatch[m_eventsToDispatch.size()-1];
+    event.element = element;
+    event.eventType = eventType;
+    event.name = name;
+    event.elapsedTime = elapsedTime;
+    
+    startUpdateStyleIfNeededDispatcher();
+}
+
+void AnimationControllerPrivate::addNodeChangeToDispatch(PassRefPtr<Node> node)
+{
+    ASSERT(!node || (node->document() && !node->document()->inPageCache()));
+    if (!node)
+        return;
+
+    m_nodeChangesToDispatch.append(node);
+    startUpdateStyleIfNeededDispatcher();
+}
+
+void AnimationControllerPrivate::animationTimerFired(Timer<AnimationControllerPrivate>*)
+{
+    // Make sure animationUpdateTime is updated, so that it is current even if no
+    // styleChange has happened (e.g. accelerated animations)
+    setBeginAnimationUpdateTime(cBeginAnimationUpdateTimeNotSet);
+
+    // When the timer fires, all we do is call setChanged on all DOM nodes with running animations and then do an immediate
+    // updateStyleIfNeeded.  It will then call back to us with new information.
+    updateAnimationTimer(true);
+
+    // Fire events right away, to avoid a flash of unanimated style after an animation completes, and before
+    // the 'end' event fires.
+    fireEventsAndUpdateStyle();
+}
+
+bool AnimationControllerPrivate::isRunningAnimationOnRenderer(RenderObject* renderer, CSSPropertyID property, bool isRunningNow) const
+{
+    RefPtr<CompositeAnimation> animation = m_compositeAnimations.get(renderer);
+    if (!animation)
+        return false;
+
+    return animation->isAnimatingProperty(property, false, isRunningNow);
+}
+
+bool AnimationControllerPrivate::isRunningAcceleratedAnimationOnRenderer(RenderObject* renderer, CSSPropertyID property, bool isRunningNow) const
+{
+    RefPtr<CompositeAnimation> animation = m_compositeAnimations.get(renderer);
+    if (!animation)
+        return false;
+
+    return animation->isAnimatingProperty(property, true, isRunningNow);
+}
+
+void AnimationControllerPrivate::suspendAnimations()
+{
+    suspendAnimationsForDocument(m_frame->document());
+    
+    // Traverse subframes
+    for (Frame* child = m_frame->tree()->firstChild(); child; child = child->tree()->nextSibling())
+        child->animation()->suspendAnimations();
+}
+
+void AnimationControllerPrivate::resumeAnimations()
+{
+    resumeAnimationsForDocument(m_frame->document());
+    
+    // Traverse subframes
+    for (Frame* child = m_frame->tree()->firstChild(); child; child = child->tree()->nextSibling())
+        child->animation()->resumeAnimations();
+}
+
+void AnimationControllerPrivate::suspendAnimationsForDocument(Document* document)
+{
+    setBeginAnimationUpdateTime(cBeginAnimationUpdateTimeNotSet);
+    
+    RenderObjectAnimationMap::const_iterator animationsEnd = m_compositeAnimations.end();
+    for (RenderObjectAnimationMap::const_iterator it = m_compositeAnimations.begin(); it != animationsEnd; ++it) {
+        RenderObject* renderer = it->first;
+        if (renderer->document() == document) {
+            CompositeAnimation* compAnim = it->second.get();
+            compAnim->suspendAnimations();
+        }
+    }
+    
+    updateAnimationTimer();
+}
+
+void AnimationControllerPrivate::resumeAnimationsForDocument(Document* document)
+{
+    setBeginAnimationUpdateTime(cBeginAnimationUpdateTimeNotSet);
+    
+    RenderObjectAnimationMap::const_iterator animationsEnd = m_compositeAnimations.end();
+    for (RenderObjectAnimationMap::const_iterator it = m_compositeAnimations.begin(); it != animationsEnd; ++it) {
+        RenderObject* renderer = it->first;
+        if (renderer->document() == document) {
+            CompositeAnimation* compAnim = it->second.get();
+            compAnim->resumeAnimations();
+        }
+    }
+    
+    updateAnimationTimer();
+}
+
+bool AnimationControllerPrivate::pauseAnimationAtTime(RenderObject* renderer, const String& name, double t)
+{
+    if (!renderer)
+        return false;
+
+    RefPtr<CompositeAnimation> compAnim = accessCompositeAnimation(renderer);
+    if (!compAnim)
+        return false;
+
+    if (compAnim->pauseAnimationAtTime(name, t)) {
+        renderer->node()->setNeedsStyleRecalc(SyntheticStyleChange);
+        startUpdateStyleIfNeededDispatcher();
+        return true;
+    }
+
+    return false;
+}
+
+bool AnimationControllerPrivate::pauseTransitionAtTime(RenderObject* renderer, const String& property, double t)
+{
+    if (!renderer)
+        return false;
+
+    RefPtr<CompositeAnimation> compAnim = accessCompositeAnimation(renderer);
+    if (!compAnim)
+        return false;
+
+    if (compAnim->pauseTransitionAtTime(cssPropertyID(property), t)) {
+        renderer->node()->setNeedsStyleRecalc(SyntheticStyleChange);
+        startUpdateStyleIfNeededDispatcher();
+        return true;
+    }
+
+    return false;
+}
+
+double AnimationControllerPrivate::beginAnimationUpdateTime()
+{
+    if (m_beginAnimationUpdateTime == cBeginAnimationUpdateTimeNotSet)
+        m_beginAnimationUpdateTime = currentTime();
+    return m_beginAnimationUpdateTime;
+}
+
+void AnimationControllerPrivate::endAnimationUpdate()
+{
+    styleAvailable();
+    if (!m_waitingForStartTimeResponse)
+        startTimeResponse(beginAnimationUpdateTime());
+}
+
+void AnimationControllerPrivate::receivedStartTimeResponse(double time)
+{
+    m_waitingForStartTimeResponse = false;
+    startTimeResponse(time);
+}
+
+PassRefPtr<RenderStyle> AnimationControllerPrivate::getAnimatedStyleForRenderer(RenderObject* renderer)
+{
+    if (!renderer)
+        return 0;
+
+    RefPtr<CompositeAnimation> rendererAnimations = m_compositeAnimations.get(renderer);
+    if (!rendererAnimations)
+        return renderer->style();
+    
+    // Make sure animationUpdateTime is updated, so that it is current even if no
+    // styleChange has happened (e.g. accelerated animations).
+    setBeginAnimationUpdateTime(cBeginAnimationUpdateTimeNotSet);
+    RefPtr<RenderStyle> animatingStyle = rendererAnimations->getAnimatedStyle();
+    if (!animatingStyle)
+        animatingStyle = renderer->style();
+    
+    return animatingStyle.release();
+}
+
+unsigned AnimationControllerPrivate::numberOfActiveAnimations() const
+{
+    unsigned count = 0;
+    
+    RenderObjectAnimationMap::const_iterator animationsEnd = m_compositeAnimations.end();
+    for (RenderObjectAnimationMap::const_iterator it = m_compositeAnimations.begin(); it != animationsEnd; ++it) {
+        CompositeAnimation* compAnim = it->second.get();
+        count += compAnim->numberOfActiveAnimations();
+    }
+    
+    return count;
+}
+
+void AnimationControllerPrivate::addToStyleAvailableWaitList(AnimationBase* animation)
+{
+    ASSERT(!animation->next());
+    
+    if (m_styleAvailableWaiters)
+        m_lastStyleAvailableWaiter->setNext(animation);
+    else
+        m_styleAvailableWaiters = animation;
+        
+    m_lastStyleAvailableWaiter = animation;
+    animation->setNext(0);
+}
+
+void AnimationControllerPrivate::removeFromStyleAvailableWaitList(AnimationBase* animationToRemove)
+{
+    AnimationBase* prevAnimation = 0;
+    for (AnimationBase* animation = m_styleAvailableWaiters; animation; animation = animation->next()) {
+        if (animation == animationToRemove) {
+            if (prevAnimation)
+                prevAnimation->setNext(animation->next());
+            else
+                m_styleAvailableWaiters = animation->next();
+            
+            if (m_lastStyleAvailableWaiter == animation)
+                m_lastStyleAvailableWaiter = prevAnimation;
+                
+            animationToRemove->setNext(0);
+        }
+    }
+}
+
+void AnimationControllerPrivate::styleAvailable()
+{
+    // Go through list of waiters and send them on their way
+    for (AnimationBase* animation = m_styleAvailableWaiters; animation; ) {
+        AnimationBase* nextAnimation = animation->next();
+        animation->setNext(0);
+        animation->styleAvailable();
+        animation = nextAnimation;
+    }
+    
+    m_styleAvailableWaiters = 0;
+    m_lastStyleAvailableWaiter = 0;
+}
+
+void AnimationControllerPrivate::addToStartTimeResponseWaitList(AnimationBase* animation, bool willGetResponse)
+{
+    // If willGetResponse is true, it means this animation is actually waiting for a response
+    // (which will come in as a call to notifyAnimationStarted()).
+    // In that case we don't need to add it to this list. We just set a waitingForAResponse flag 
+    // which says we are waiting for the response. If willGetResponse is false, this animation 
+    // is not waiting for a response for itself, but rather for a notifyXXXStarted() call for 
+    // another animation to which it will sync.
+    //
+    // When endAnimationUpdate() is called we check to see if the waitingForAResponse flag is
+    // true. If so, we just return and will do our work when the first notifyXXXStarted() call
+    // comes in. If it is false, we will not be getting a notifyXXXStarted() call, so we will
+    // do our work right away. In both cases we call the onAnimationStartResponse() method
+    // on each animation. In the first case we send in the time we got from notifyXXXStarted().
+    // In the second case, we just pass in the beginAnimationUpdateTime().
+    //
+    // This will synchronize all software and accelerated animations started in the same 
+    // updateStyleIfNeeded cycle.
+    //
+    ASSERT(!animation->next());
+    
+    if (willGetResponse)
+        m_waitingForStartTimeResponse = true;
+    
+    if (m_startTimeResponseWaiters)
+        m_lastStartTimeResponseWaiter->setNext(animation);
+    else
+        m_startTimeResponseWaiters = animation;
+        
+    m_lastStartTimeResponseWaiter = animation;
+    animation->setNext(0);
+}
+
+void AnimationControllerPrivate::removeFromStartTimeResponseWaitList(AnimationBase* animationToRemove)
+{
+    AnimationBase* prevAnimation = 0;
+    for (AnimationBase* animation = m_startTimeResponseWaiters; animation; animation = animation->next()) {
+        if (animation == animationToRemove) {
+            if (prevAnimation)
+                prevAnimation->setNext(animation->next());
+            else
+                m_startTimeResponseWaiters = animation->next();
+            
+            if (m_lastStartTimeResponseWaiter == animation)
+                m_lastStartTimeResponseWaiter = prevAnimation;
+                
+            animationToRemove->setNext(0);
+        }
+        prevAnimation = animation;
+    }
+    
+    if (!m_startTimeResponseWaiters)
+        m_waitingForStartTimeResponse = false;
+}
+
+void AnimationControllerPrivate::startTimeResponse(double time)
+{
+    // Go through list of waiters and send them on their way
+    for (AnimationBase* animation = m_startTimeResponseWaiters; animation; ) {
+        AnimationBase* nextAnimation = animation->next();
+        animation->setNext(0);
+        animation->onAnimationStartResponse(time);
+        animation = nextAnimation;
+    }
+    
+    m_startTimeResponseWaiters = 0;
+    m_lastStartTimeResponseWaiter = 0;
+}
+
+AnimationController::AnimationController(Frame* frame)
+    : m_data(new AnimationControllerPrivate(frame))
+{
+}
+
+AnimationController::~AnimationController()
+{
+    delete m_data;
+}
+
+void AnimationController::cancelAnimations(RenderObject* renderer)
+{
+    if (!m_data->hasAnimations())
+        return;
+
+    if (m_data->clear(renderer)) {
+        Node* node = renderer->node();
+        ASSERT(!node || (node->document() && !node->document()->inPageCache()));
+        node->setNeedsStyleRecalc(SyntheticStyleChange);
+    }
+}
+
+PassRefPtr<RenderStyle> AnimationController::updateAnimations(RenderObject* renderer, RenderStyle* newStyle)
+{
+    // Don't do anything if we're in the cache
+    if (!renderer->document() || renderer->document()->inPageCache())
+        return newStyle;
+
+    RenderStyle* oldStyle = renderer->style();
+
+    if ((!oldStyle || (!oldStyle->animations() && !oldStyle->transitions())) && (!newStyle->animations() && !newStyle->transitions()))
+        return newStyle;
+
+    // Don't run transitions when printing.
+    if (renderer->view()->printing())
+        return newStyle;
+
+    // Fetch our current set of implicit animations from a hashtable.  We then compare them
+    // against the animations in the style and make sure we're in sync.  If destination values
+    // have changed, we reset the animation.  We then do a blend to get new values and we return
+    // a new style.
+    ASSERT(renderer->node()); // FIXME: We do not animate generated content yet.
+
+    RefPtr<CompositeAnimation> rendererAnimations = m_data->accessCompositeAnimation(renderer);
+    RefPtr<RenderStyle> blendedStyle = rendererAnimations->animate(renderer, oldStyle, newStyle);
+
+    m_data->updateAnimationTimer();
+
+    if (blendedStyle != newStyle) {
+        // If the animations/transitions change opacity or transform, we need to update
+        // the style to impose the stacking rules. Note that this is also
+        // done in CSSStyleSelector::adjustRenderStyle().
+        if (blendedStyle->hasAutoZIndex() && (blendedStyle->opacity() < 1.0f || blendedStyle->hasTransform()))
+            blendedStyle->setZIndex(0);
+    }
+    return blendedStyle.release();
+}
+
+PassRefPtr<RenderStyle> AnimationController::getAnimatedStyleForRenderer(RenderObject* renderer)
+{
+    return m_data->getAnimatedStyleForRenderer(renderer);
+}
+
+void AnimationController::notifyAnimationStarted(RenderObject*, double startTime)
+{
+    m_data->receivedStartTimeResponse(startTime);
+}
+
+bool AnimationController::pauseAnimationAtTime(RenderObject* renderer, const String& name, double t)
+{
+    return m_data->pauseAnimationAtTime(renderer, name, t);
+}
+
+unsigned AnimationController::numberOfActiveAnimations() const
+{
+    return m_data->numberOfActiveAnimations();
+}
+
+bool AnimationController::pauseTransitionAtTime(RenderObject* renderer, const String& property, double t)
+{
+    return m_data->pauseTransitionAtTime(renderer, property, t);
+}
+
+bool AnimationController::isRunningAnimationOnRenderer(RenderObject* renderer, CSSPropertyID property, bool isRunningNow) const
+{
+    return m_data->isRunningAnimationOnRenderer(renderer, property, isRunningNow);
+}
+
+bool AnimationController::isRunningAcceleratedAnimationOnRenderer(RenderObject* renderer, CSSPropertyID property, bool isRunningNow) const
+{
+    return m_data->isRunningAcceleratedAnimationOnRenderer(renderer, property, isRunningNow);
+}
+
+void AnimationController::suspendAnimations()
+{
+    m_data->suspendAnimations();
+}
+
+void AnimationController::resumeAnimations()
+{
+    m_data->resumeAnimations();
+}
+
+void AnimationController::suspendAnimationsForDocument(Document* document)
+{
+    m_data->suspendAnimationsForDocument(document);
+}
+
+void AnimationController::resumeAnimationsForDocument(Document* document)
+{
+    m_data->resumeAnimationsForDocument(document);
+}
+
+void AnimationController::beginAnimationUpdate()
+{
+    m_data->setBeginAnimationUpdateTime(cBeginAnimationUpdateTimeNotSet);
+}
+
+void AnimationController::endAnimationUpdate()
+{
+    m_data->endAnimationUpdate();
+}
+
+bool AnimationController::supportsAcceleratedAnimationOfProperty(CSSPropertyID property)
+{
+#if USE(ACCELERATED_COMPOSITING)
+    return AnimationBase::animationOfPropertyIsAccelerated(property);
+#else
+    UNUSED_PARAM(property);
+    return false;
+#endif
+}
+
+} // namespace WebCore