Revert "Remove OwnPtr from Blink."

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

Index: third_party/WebKit/Source/core/animation/ListInterpolationFunctions.cpp
diff --git a/third_party/WebKit/Source/core/animation/ListInterpolationFunctions.cpp b/third_party/WebKit/Source/core/animation/ListInterpolationFunctions.cpp
index 20566719aaeef4a9e9aa927d9aa1295ef05e8f44..32c42ff1de95f1317b6945da0197c1c64ba7c21f 100644
--- a/third_party/WebKit/Source/core/animation/ListInterpolationFunctions.cpp
+++ b/third_party/WebKit/Source/core/animation/ListInterpolationFunctions.cpp
@@ -7,7 +7,6 @@
 #include "core/animation/UnderlyingValueOwner.h"
 #include "core/css/CSSValueList.h"
 #include "wtf/MathExtras.h"
-#include <memory>
 
 namespace blink {
 
@@ -54,7 +53,7 @@ PairwiseInterpolationValue ListInterpolationFunctions::maybeMergeSingles(Interpo
     }
 
     if (startLength == 0) {
-        std::unique_ptr<InterpolableValue> startInterpolableValue = end.interpolableValue->cloneAndZero();
+        OwnPtr<InterpolableValue> startInterpolableValue = end.interpolableValue->cloneAndZero();
         return PairwiseInterpolationValue(
             std::move(startInterpolableValue),
             std::move(end.interpolableValue),
@@ -62,7 +61,7 @@ PairwiseInterpolationValue ListInterpolationFunctions::maybeMergeSingles(Interpo
     }
 
     if (endLength == 0) {
-        std::unique_ptr<InterpolableValue> endInterpolableValue = start.interpolableValue->cloneAndZero();
+        OwnPtr<InterpolableValue> endInterpolableValue = start.interpolableValue->cloneAndZero();
         return PairwiseInterpolationValue(
             std::move(start.interpolableValue),
             std::move(endInterpolableValue),
@@ -70,8 +69,8 @@ PairwiseInterpolationValue ListInterpolationFunctions::maybeMergeSingles(Interpo
     }
 
     size_t finalLength = lowestCommonMultiple(startLength, endLength);
-    std::unique_ptr<InterpolableList> resultStartInterpolableList = InterpolableList::create(finalLength);
-    std::unique_ptr<InterpolableList> resultEndInterpolableList = InterpolableList::create(finalLength);
+    OwnPtr<InterpolableList> resultStartInterpolableList = InterpolableList::create(finalLength);
+    OwnPtr<InterpolableList> resultEndInterpolableList = InterpolableList::create(finalLength);
     Vector<RefPtr<NonInterpolableValue>> resultNonInterpolableValues(finalLength);
 
     InterpolableList& startInterpolableList = toInterpolableList(*start.interpolableValue);
@@ -105,7 +104,7 @@ static void repeatToLength(InterpolationValue& value, size_t length)
     if (currentLength == length)
         return;
     ASSERT(currentLength < length);
-    std::unique_ptr<InterpolableList> newInterpolableList = InterpolableList::create(length);
+    OwnPtr<InterpolableList> newInterpolableList = InterpolableList::create(length);
     Vector<RefPtr<NonInterpolableValue>> newNonInterpolableValues(length);
     for (size_t i = length; i-- > 0;) {
         newInterpolableList->set(i, i < currentLength ? std::move(interpolableList.getMutable(i)) : interpolableList.get(i % currentLength)->clone());