Revert "Remove OwnPtr from Blink."

third_party/WebKit/Source/platform/animation/CompositorTransformOperations.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 CompositorTransformOperations_h
 #define CompositorTransformOperations_h
 
 #include "cc/animation/transform_operations.h"
 #include "platform/PlatformExport.h"
 #include "wtf/Noncopyable.h"
-#include "wtf/PtrUtil.h"
-#include <memory>
+#include "wtf/PassOwnPtr.h"
 
 class SkMatrix44;
 
 namespace blink {
 
 class PLATFORM_EXPORT CompositorTransformOperations {
     WTF_MAKE_NONCOPYABLE(CompositorTransformOperations);
 public:
-    static std::unique_ptr<CompositorTransformOperations> create()
+    static PassOwnPtr<CompositorTransformOperations> create()
     {
-        return wrapUnique(new CompositorTransformOperations());
+        return adoptPtr(new CompositorTransformOperations());
     }
 
     const cc::TransformOperations& asTransformOperations() const;
 
     // Returns true if these operations can be blended. It will only return
     // false if we must resort to matrix interpolation, and matrix interpolation
     // fails (this can happen if either matrix cannot be decomposed).
     bool canBlendWith(const CompositorTransformOperations& other) const;
 
     void appendTranslate(double x, double y, double z);
     void appendRotate(double x, double y, double z, double degrees);
     void appendScale(double x, double y, double z);
     void appendSkew(double x, double y);
     void appendPerspective(double depth);
     void appendMatrix(const SkMatrix44&);
     void appendIdentity();
 
     bool isIdentity() const;
 
 private:
     CompositorTransformOperations();
 
     cc::TransformOperations m_transformOperations;
 };
 
 } // namespace blink
 
 #endif // CompositorTransformOperations_h