Remove the webkit prefix from idl properties and interfaces.

sky/engine/core/animation/css/CSSAnimations.cpp

Index: sky/engine/core/animation/css/CSSAnimations.cpp
diff --git a/sky/engine/core/animation/css/CSSAnimations.cpp b/sky/engine/core/animation/css/CSSAnimations.cpp
index 8fdb3f24f518a88080ab40eb1c6fd96c93f22531..95145232e931cff2b80eca905251261057070280 100644
--- a/sky/engine/core/animation/css/CSSAnimations.cpp
+++ b/sky/engine/core/animation/css/CSSAnimations.cpp
@@ -46,8 +46,8 @@
 #include "core/css/resolver/StyleResolver.h"
 #include "core/dom/Element.h"
 #include "core/dom/StyleEngine.h"
+#include "core/events/AnimationEvent.h"
 #include "core/events/TransitionEvent.h"
-#include "core/events/WebKitAnimationEvent.h"
 #include "core/frame/UseCounter.h"
 #include "core/rendering/RenderLayer.h"
 #include "core/rendering/RenderObject.h"
@@ -585,7 +585,7 @@ void CSSAnimations::calculateTransitionActiveInterpolations(CSSAnimationUpdate*
 void CSSAnimations::AnimationEventDelegate::maybeDispatch(Document::ListenerType listenerType, const AtomicString& eventName, double elapsedTime)
 {
     if (m_target->document().hasListenerType(listenerType)) {
-        RefPtrWillBeRawPtr<WebKitAnimationEvent> event = WebKitAnimationEvent::create(eventName, m_name, elapsedTime);
+        RefPtrWillBeRawPtr<AnimationEvent> event = AnimationEvent::create(eventName, m_name, elapsedTime);
         event->setTarget(m_target);
         m_target->document().enqueueAnimationFrameEvent(event);
     }