Revert "Remove OwnPtr from Blink."

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

Index: third_party/WebKit/Source/core/animation/InterpolableValue.cpp
diff --git a/third_party/WebKit/Source/core/animation/InterpolableValue.cpp b/third_party/WebKit/Source/core/animation/InterpolableValue.cpp
index de958c4bb1d3c10f5be733367587413430d416eb..084ecf872d1528bf54715c84fea717f8996105a0 100644
--- a/third_party/WebKit/Source/core/animation/InterpolableValue.cpp
+++ b/third_party/WebKit/Source/core/animation/InterpolableValue.cpp
@@ -4,8 +4,6 @@
 
 #include "core/animation/InterpolableValue.h"
 
-#include <memory>
-
 namespace blink {
 
 bool InterpolableNumber::equals(const InterpolableValue& other) const
@@ -64,9 +62,9 @@ void InterpolableList::interpolate(const InterpolableValue& to, const double pro
     }
 }
 
-std::unique_ptr<InterpolableValue> InterpolableList::cloneAndZero() const
+PassOwnPtr<InterpolableValue> InterpolableList::cloneAndZero() const
 {
-    std::unique_ptr<InterpolableList> result = InterpolableList::create(m_size);
+    OwnPtr<InterpolableList> result = InterpolableList::create(m_size);
     for (size_t i = 0; i < m_size; i++)
         result->set(i, m_values[i]->cloneAndZero());
     return std::move(result);