Revert "Remove OwnPtr from Blink."

third_party/WebKit/Source/platform/animation/CompositorFloatAnimationCurve.h

 // Copyright 2016 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 CompositorFloatAnimationCurve_h
 #define CompositorFloatAnimationCurve_h
 
 #include "platform/PlatformExport.h"
 #include "platform/animation/CompositorAnimationCurve.h"
 #include "platform/animation/CompositorFloatKeyframe.h"
 #include "platform/animation/TimingFunction.h"
 #include "wtf/Noncopyable.h"
-#include "wtf/PtrUtil.h"
+#include "wtf/PassOwnPtr.h"
 #include "wtf/Vector.h"
-#include <memory>
 
 namespace cc {
 class KeyframedFloatAnimationCurve;
 }
 
 namespace blink {
 struct CompositorFloatKeyframe;
 }
 
 namespace blink {
 
 // A keyframed float animation curve.
 class PLATFORM_EXPORT CompositorFloatAnimationCurve : public CompositorAnimationCurve {
     WTF_MAKE_NONCOPYABLE(CompositorFloatAnimationCurve);
 public:
-    static std::unique_ptr<CompositorFloatAnimationCurve> create()
+    static PassOwnPtr<CompositorFloatAnimationCurve> create()
     {
-        return wrapUnique(new CompositorFloatAnimationCurve());
+        return adoptPtr(new CompositorFloatAnimationCurve());
     }
 
     ~CompositorFloatAnimationCurve() override;
 
-    static std::unique_ptr<CompositorFloatAnimationCurve> CreateForTesting(std::unique_ptr<cc::KeyframedFloatAnimationCurve>);
+    static PassOwnPtr<CompositorFloatAnimationCurve> CreateForTesting(std::unique_ptr<cc::KeyframedFloatAnimationCurve>);
     Vector<CompositorFloatKeyframe> keyframesForTesting() const;
 
     // TODO(loyso): Erase these methods once blink/cc timing functions unified.
     CubicBezierTimingFunction::EaseType getCurveEaseTypeForTesting() const;
     bool curveHasLinearTimingFunctionForTesting() const;
     CubicBezierTimingFunction::EaseType getKeyframeEaseTypeForTesting(unsigned long index) const;
     bool keyframeHasLinearTimingFunctionForTesting(unsigned long index) const;
 
     void addLinearKeyframe(const CompositorFloatKeyframe&);
     void addCubicBezierKeyframe(const CompositorFloatKeyframe&, CubicBezierTimingFunction::EaseType);
@@ skipping 15 matching lines @@
 private:
     CompositorFloatAnimationCurve();
     CompositorFloatAnimationCurve(std::unique_ptr<cc::KeyframedFloatAnimationCurve>);
 
     std::unique_ptr<cc::KeyframedFloatAnimationCurve> m_curve;
 };
 
 } // namespace blink
 
 #endif // CompositorFloatAnimationCurve_h