Revert "Remove OwnPtr from Blink."

third_party/WebKit/Source/core/html/parser/HTMLPreloadScannerTest.cpp

Index: third_party/WebKit/Source/core/html/parser/HTMLPreloadScannerTest.cpp
diff --git a/third_party/WebKit/Source/core/html/parser/HTMLPreloadScannerTest.cpp b/third_party/WebKit/Source/core/html/parser/HTMLPreloadScannerTest.cpp
index bc584d1ee13aa9b7327b6ef5e13a7c4d5d3013eb..8b90b657e3f71cc6555536a9f3f390dc52307738 100644
--- a/third_party/WebKit/Source/core/html/parser/HTMLPreloadScannerTest.cpp
+++ b/third_party/WebKit/Source/core/html/parser/HTMLPreloadScannerTest.cpp
@@ -13,7 +13,6 @@
 #include "core/html/parser/HTMLResourcePreloader.h"
 #include "core/testing/DummyPageHolder.h"
 #include "testing/gtest/include/gtest/gtest.h"
-#include <memory>
 
 namespace blink {
 
@@ -81,13 +80,13 @@ public:
     }
 
 protected:
-    void preload(std::unique_ptr<PreloadRequest> preloadRequest, const NetworkHintsInterface&) override
+    void preload(PassOwnPtr<PreloadRequest> preloadRequest, const NetworkHintsInterface&) override
     {
         m_preloadRequest = std::move(preloadRequest);
     }
 
 private:
-    std::unique_ptr<PreloadRequest> m_preloadRequest;
+    OwnPtr<PreloadRequest> m_preloadRequest;
 };
 
 class HTMLPreloadScannerTest : public testing::Test {
@@ -172,8 +171,8 @@ protected:
     }
 
 private:
-    std::unique_ptr<DummyPageHolder> m_dummyPageHolder;
-    std::unique_ptr<HTMLPreloadScanner> m_scanner;
+    OwnPtr<DummyPageHolder> m_dummyPageHolder;
+    OwnPtr<HTMLPreloadScanner> m_scanner;
 };
 
 TEST_F(HTMLPreloadScannerTest, testImages)