Revert 161133 - [cc] Use base ptr types for cc's CSS animation classes

cc/CCTimingFunction.h

Index: cc/CCTimingFunction.h
===================================================================
--- cc/CCTimingFunction.h	(revision 161134)
+++ cc/CCTimingFunction.h	(working copy)
@@ -7,6 +7,7 @@
 
 #include "CCAnimationCurve.h"
 #include "UnitBezier.h"
+#include <wtf/PassOwnPtr.h>
 
 namespace cc {
 
@@ -24,12 +25,12 @@
 
 class CCCubicBezierTimingFunction : public CCTimingFunction {
 public:
-    static scoped_ptr<CCCubicBezierTimingFunction> create(double x1, double y1, double x2, double y2);
+    static PassOwnPtr<CCCubicBezierTimingFunction> create(double x1, double y1, double x2, double y2);
     virtual ~CCCubicBezierTimingFunction();
 
     // Partial implementation of CCFloatAnimationCurve.
     virtual float getValue(double time) const OVERRIDE;
-    virtual scoped_ptr<CCAnimationCurve> clone() const OVERRIDE;
+    virtual PassOwnPtr<CCAnimationCurve> clone() const OVERRIDE;
 
 protected:
     CCCubicBezierTimingFunction(double x1, double y1, double x2, double y2);
@@ -39,22 +40,22 @@
 
 class CCEaseTimingFunction {
 public:
-    static scoped_ptr<CCTimingFunction> create();
+    static PassOwnPtr<CCTimingFunction> create();
 };
 
 class CCEaseInTimingFunction {
 public:
-    static scoped_ptr<CCTimingFunction> create();
+    static PassOwnPtr<CCTimingFunction> create();
 };
 
 class CCEaseOutTimingFunction {
 public:
-    static scoped_ptr<CCTimingFunction> create();
+    static PassOwnPtr<CCTimingFunction> create();
 };
 
 class CCEaseInOutTimingFunction {
 public:
-    static scoped_ptr<CCTimingFunction> create();
+    static PassOwnPtr<CCTimingFunction> create();
 };
 
 } // namespace cc