Revert "Remove OwnPtr from Blink."

third_party/WebKit/Source/platform/exported/WebActiveGestureAnimation.h

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 11 matching lines @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef WebActiveGestureAnimation_h
 #define WebActiveGestureAnimation_h
 
 #include "platform/PlatformExport.h"
 #include "wtf/Allocator.h"
 #include "wtf/Noncopyable.h"
-#include <memory>
+#include "wtf/OwnPtr.h"
+#include "wtf/PassOwnPtr.h"
 
 namespace blink {
 
 class WebGestureCurve;
 class WebGestureCurveTarget;
 
 // Implements a gesture animation (fling scroll, etc.) using a curve with a generic interface
 // to define the animation parameters as a function of time, and applies the animation
 // to a target, again via a generic interface. It is assumed that animate() is called
 // on a more-or-less regular basis by the owner.
 class PLATFORM_EXPORT WebActiveGestureAnimation {
     USING_FAST_MALLOC(WebActiveGestureAnimation);
     WTF_MAKE_NONCOPYABLE(WebActiveGestureAnimation);
 public:
-    static std::unique_ptr<WebActiveGestureAnimation> createAtAnimationStart(std::unique_ptr<WebGestureCurve>, WebGestureCurveTarget*);
-    static std::unique_ptr<WebActiveGestureAnimation> createWithTimeOffset(std::unique_ptr<WebGestureCurve>, WebGestureCurveTarget*, double startTime);
+    static PassOwnPtr<WebActiveGestureAnimation> createAtAnimationStart(PassOwnPtr<WebGestureCurve>, WebGestureCurveTarget*);
+    static PassOwnPtr<WebActiveGestureAnimation> createWithTimeOffset(PassOwnPtr<WebGestureCurve>, WebGestureCurveTarget*, double startTime);
     ~WebActiveGestureAnimation();
 
     bool animate(double time);
 
 private:
     // Assumes a valid WebGestureCurveTarget that outlives the animation.
-    WebActiveGestureAnimation(std::unique_ptr<WebGestureCurve>, WebGestureCurveTarget*, double startTime, bool waitingForFirstTick);
+    WebActiveGestureAnimation(PassOwnPtr<WebGestureCurve>, WebGestureCurveTarget*, double startTime, bool waitingForFirstTick);
 
     double m_startTime;
     bool m_waitingForFirstTick;
-    std::unique_ptr<WebGestureCurve> m_curve;
+    OwnPtr<WebGestureCurve> m_curve;
     WebGestureCurveTarget* m_target;
 };
 
 } // namespace blink
 
 #endif