Revert "Remove OwnPtr from Blink."

third_party/WebKit/Source/core/animation/CSSMotionRotationInterpolationType.cpp

Index: third_party/WebKit/Source/core/animation/CSSMotionRotationInterpolationType.cpp
diff --git a/third_party/WebKit/Source/core/animation/CSSMotionRotationInterpolationType.cpp b/third_party/WebKit/Source/core/animation/CSSMotionRotationInterpolationType.cpp
index 3a55984b9c7617f863823e2f5efdb6867d5ce0ab..4f504951cf0003a896d365afdcc888ea520ccb3c 100644
--- a/third_party/WebKit/Source/core/animation/CSSMotionRotationInterpolationType.cpp
+++ b/third_party/WebKit/Source/core/animation/CSSMotionRotationInterpolationType.cpp
@@ -6,8 +6,6 @@
 
 #include "core/css/resolver/StyleBuilderConverter.h"
 #include "core/style/StyleMotionRotation.h"
-#include "wtf/PtrUtil.h"
-#include <memory>
 
 namespace blink {
 
@@ -39,9 +37,9 @@ namespace {
 
 class UnderlyingRotationTypeChecker : public InterpolationType::ConversionChecker {
 public:
-    static std::unique_ptr<UnderlyingRotationTypeChecker> create(MotionRotationType underlyingRotationType)
+    static PassOwnPtr<UnderlyingRotationTypeChecker> create(MotionRotationType underlyingRotationType)
     {
-        return wrapUnique(new UnderlyingRotationTypeChecker(underlyingRotationType));
+        return adoptPtr(new UnderlyingRotationTypeChecker(underlyingRotationType));
     }
 
     bool isValid(const InterpolationEnvironment&, const InterpolationValue& underlying) const final
@@ -59,9 +57,9 @@ private:
 
 class InheritedRotationTypeChecker : public InterpolationType::ConversionChecker {
 public:
-    static std::unique_ptr<InheritedRotationTypeChecker> create(MotionRotationType inheritedRotationType)
+    static PassOwnPtr<InheritedRotationTypeChecker> create(MotionRotationType inheritedRotationType)
     {
-        return wrapUnique(new InheritedRotationTypeChecker(inheritedRotationType));
+        return adoptPtr(new InheritedRotationTypeChecker(inheritedRotationType));
     }
 
     bool isValid(const InterpolationEnvironment& environment, const InterpolationValue& underlying) const final