Remove OwnPtr from Blink.

third_party/WebKit/Source/core/testing/PrivateScriptTestTest.cpp

Index: third_party/WebKit/Source/core/testing/PrivateScriptTestTest.cpp
diff --git a/third_party/WebKit/Source/core/testing/PrivateScriptTestTest.cpp b/third_party/WebKit/Source/core/testing/PrivateScriptTestTest.cpp
index a4bd66475b39b66d578c325775f9bc8d1a95f594..6fe33e47b8db77691cc23b83e730160ca6f9ff90 100644
--- a/third_party/WebKit/Source/core/testing/PrivateScriptTestTest.cpp
+++ b/third_party/WebKit/Source/core/testing/PrivateScriptTestTest.cpp
@@ -10,6 +10,7 @@
 #include "bindings/core/v8/V8PrivateScriptTest.h"
 #include "core/testing/DummyPageHolder.h"
 #include "testing/gtest/include/gtest/gtest.h"
+#include <memory>
 
 // PrivateScriptTest.js is available only in debug builds.
 #ifndef NDEBUG
@@ -37,7 +38,7 @@ public:
 
 protected:
     V8TestingScope m_scope;
-    OwnPtr<DummyPageHolder> m_dummyPageHolder;
+    std::unique_ptr<DummyPageHolder> m_dummyPageHolder;
     Persistent<PrivateScriptTest> m_privateScriptTest;
 };