[cc] Use base ptr types for cc's CSS animation classes

cc/CCAnimationCurve.h

Index: cc/CCAnimationCurve.h
diff --git a/cc/CCAnimationCurve.h b/cc/CCAnimationCurve.h
index c177d233b1b4f1ee77f26eb4a12ad6ee54dd2be6..7ed6e7a9e50a43e6de296136d319b0edec2c6d3f 100644
--- a/cc/CCAnimationCurve.h
+++ b/cc/CCAnimationCurve.h
@@ -5,8 +5,8 @@
 #ifndef CCAnimationCurve_h
 #define CCAnimationCurve_h
 
+#include "base/memory/scoped_ptr.h"
 #include <public/WebTransformationMatrix.h>
-#include <wtf/PassOwnPtr.h>
 
 namespace cc {
 
@@ -25,7 +25,7 @@ public:
 
     virtual double duration() const = 0;
     virtual Type type() const = 0;
-    virtual PassOwnPtr<CCAnimationCurve> clone() const = 0;
+    virtual scoped_ptr<CCAnimationCurve> clone() const = 0;
 
     const CCFloatAnimationCurve* toFloatAnimationCurve() const;
     const CCTransformAnimationCurve* toTransformAnimationCurve() const;