cc: Remove wtf/Vector dependency from CCAnimationEvents.

cc/CCAnimationEvents.h

Index: cc/CCAnimationEvents.h
diff --git a/cc/CCAnimationEvents.h b/cc/CCAnimationEvents.h
index 0771f427ee8e13c5cde4a91864d07f785fafe222..5e86ef7381527b32b9017de03a9fc4935c3dd113 100644
--- a/cc/CCAnimationEvents.h
+++ b/cc/CCAnimationEvents.h
@@ -5,10 +5,9 @@
 #ifndef CCAnimationEvents_h
 #define CCAnimationEvents_h
 
-#include "CCActiveAnimation.h"
+#include <vector>
 
-#include <wtf/PassOwnPtr.h>
-#include <wtf/Vector.h>
+#include "CCActiveAnimation.h"
 
 namespace cc {
 
@@ -31,8 +30,8 @@ struct CCAnimationEvent {
     double monotonicTime;
 };
 
-typedef Vector<CCAnimationEvent> CCAnimationEventsVector;
+typedef std::vector<CCAnimationEvent> CCAnimationEventsVector;
 
-} // namespace cc
+}  // namespace cc
 
 #endif // CCAnimationEvents_h