Remove OwnPtr from Blink.

third_party/WebKit/Source/core/dom/ActiveDOMObjectTest.cpp

Index: third_party/WebKit/Source/core/dom/ActiveDOMObjectTest.cpp
diff --git a/third_party/WebKit/Source/core/dom/ActiveDOMObjectTest.cpp b/third_party/WebKit/Source/core/dom/ActiveDOMObjectTest.cpp
index 3faad0291eb56fb22ed359fdd00f56b360d75d12..196d623f2e0b88d6f1c696246728ab9f3f6ed827 100644
--- a/third_party/WebKit/Source/core/dom/ActiveDOMObjectTest.cpp
+++ b/third_party/WebKit/Source/core/dom/ActiveDOMObjectTest.cpp
@@ -34,6 +34,7 @@
 #include "core/testing/DummyPageHolder.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
+#include <memory>
 
 namespace blink {
 
@@ -61,8 +62,8 @@ protected:
     MockActiveDOMObject& activeDOMObject() { return *m_activeDOMObject; }
 
 private:
-    OwnPtr<DummyPageHolder> m_srcPageHolder;
-    OwnPtr<DummyPageHolder> m_destPageHolder;
+    std::unique_ptr<DummyPageHolder> m_srcPageHolder;
+    std::unique_ptr<DummyPageHolder> m_destPageHolder;
     Persistent<MockActiveDOMObject> m_activeDOMObject;
 };