Revert "Remove OwnPtr from Blink."

third_party/WebKit/Source/core/loader/DocumentLoadTimingTest.cpp

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/loader/DocumentLoadTiming.h"
 
 #include "core/loader/DocumentLoader.h"
 #include "core/testing/DummyPageHolder.h"
 #include "testing/gtest/include/gtest/gtest.h"
-#include <memory>
 
 namespace blink {
 
 class DocumentLoadTimingTest : public testing::Test {
 };
 
 TEST_F(DocumentLoadTimingTest, ensureValidNavigationStartAfterEmbedder)
 {
-    std::unique_ptr<DummyPageHolder> dummyPage = DummyPageHolder::create();
+    OwnPtr<DummyPageHolder> dummyPage = DummyPageHolder::create();
     DocumentLoadTiming timing(*(dummyPage->document().loader()));
 
     double delta = -1000;
     double embedderNavigationStart = monotonicallyIncreasingTime() + delta;
     timing.setNavigationStart(embedderNavigationStart);
 
     double realWallTime = currentTime();
     double adjustedWallTime = timing.monotonicTimeToPseudoWallTime(timing.navigationStart());
 
     EXPECT_NEAR(adjustedWallTime, realWallTime + delta, .001);
 }
 
 TEST_F(DocumentLoadTimingTest, correctTimingDeltas)
 {
-    std::unique_ptr<DummyPageHolder> dummyPage = DummyPageHolder::create();
+    OwnPtr<DummyPageHolder> dummyPage = DummyPageHolder::create();
     DocumentLoadTiming timing(*(dummyPage->document().loader()));
 
     double navigationStartDelta = -456;
     double currentMonotonicTime = monotonicallyIncreasingTime();
     double embedderNavigationStart = currentMonotonicTime + navigationStartDelta;
 
     timing.setNavigationStart(embedderNavigationStart);
 
     // Super quick load! Expect the wall time reported by this event to be
     // dominated by the navigationStartDelta, but similar to currentTime().
     timing.markLoadEventEnd();
     double realWallLoadEventEnd = currentTime();
     double adjustedLoadEventEnd = timing.monotonicTimeToPseudoWallTime(timing.loadEventEnd());
 
     EXPECT_NEAR(adjustedLoadEventEnd, realWallLoadEventEnd, .001);
 
     double adjustedNavigationStart = timing.monotonicTimeToPseudoWallTime(timing.navigationStart());
     EXPECT_NEAR(adjustedLoadEventEnd - adjustedNavigationStart, -navigationStartDelta, .001);
 }
 
 } // namespace blink