Remove OwnPtr from Blink.

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

Index: third_party/WebKit/Source/core/animation/SVGLengthListInterpolationType.cpp
diff --git a/third_party/WebKit/Source/core/animation/SVGLengthListInterpolationType.cpp b/third_party/WebKit/Source/core/animation/SVGLengthListInterpolationType.cpp
index e70381b628ca4af6e1f556a481295996b2cddb26..8685a8d9aef70f852faed223fb13b84ab091d650 100644
--- a/third_party/WebKit/Source/core/animation/SVGLengthListInterpolationType.cpp
+++ b/third_party/WebKit/Source/core/animation/SVGLengthListInterpolationType.cpp
@@ -8,6 +8,7 @@
 #include "core/animation/SVGLengthInterpolationType.h"
 #include "core/animation/UnderlyingLengthChecker.h"
 #include "core/svg/SVGLengthList.h"
+#include <memory>
 
 namespace blink {
 
@@ -19,7 +20,7 @@ InterpolationValue SVGLengthListInterpolationType::maybeConvertNeutral(const Int
     if (underlyingLength == 0)
         return nullptr;
 
-    OwnPtr<InterpolableList> result = InterpolableList::create(underlyingLength);
+    std::unique_ptr<InterpolableList> result = InterpolableList::create(underlyingLength);
     for (size_t i = 0; i < underlyingLength; i++)
         result->set(i, SVGLengthInterpolationType::neutralInterpolableValue());
     return InterpolationValue(std::move(result));
@@ -31,7 +32,7 @@ InterpolationValue SVGLengthListInterpolationType::maybeConvertSVGValue(const SV
         return nullptr;
 
     const SVGLengthList& lengthList = toSVGLengthList(svgValue);
-    OwnPtr<InterpolableList> result = InterpolableList::create(lengthList.length());
+    std::unique_ptr<InterpolableList> result = InterpolableList::create(lengthList.length());
     for (size_t i = 0; i < lengthList.length(); i++) {
         InterpolationValue component = SVGLengthInterpolationType::convertSVGLength(*lengthList.at(i));
         result->set(i, std::move(component.interpolableValue));