cc: Remove wtf/Vector dependency from CCAnimationEvents.

cc/CCAnimationEvents.h

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CCAnimationEvents_h
 #define CCAnimationEvents_h
 
+#include <vector>
+
 #include "CCActiveAnimation.h"
 
-#include <wtf/PassOwnPtr.h>
-#include <wtf/Vector.h>
-
 namespace cc {
 
 struct CCAnimationEvent {
     enum Type { Started, Finished };
 
     CCAnimationEvent(Type type, int layerId, int groupId, CCActiveAnimation::TargetProperty targetProperty, double monotonicTime)
         : type(type)
         , layerId(layerId)
         , groupId(groupId)
         , targetProperty(targetProperty)
         , monotonicTime(monotonicTime)
     {
     }
 
     Type type;
     int layerId;
     int groupId;
     CCActiveAnimation::TargetProperty targetProperty;
     double monotonicTime;
 };
 
-typedef Vector<CCAnimationEvent> CCAnimationEventsVector;
+typedef std::vector<CCAnimationEvent> CCAnimationEventsVector;
 
-} // namespace cc
+}  // namespace cc
 
 #endif // CCAnimationEvents_h