Revert "Remove OwnPtr from Blink."

third_party/WebKit/Source/platform/testing/FontTestHelpers.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 "platform/testing/FontTestHelpers.h"
 
 #include "platform/fonts/Font.h"
 #include "platform/fonts/FontCustomPlatformData.h"
 #include "platform/fonts/FontDescription.h"
 #include "platform/fonts/FontSelector.h"
 #include "platform/testing/UnitTestHelpers.h"
+#include "wtf/OwnPtr.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefPtr.h"
-#include <memory>
 
 namespace blink {
 namespace testing {
 
 namespace {
 
 class TestFontSelector : public FontSelector {
 public:
     static TestFontSelector* create(const String& path)
     {
@@ skipping 18 matching lines @@
 
     void willUseFontData(const FontDescription&, const AtomicString& familyName,
         const String& text) override { }
     void willUseRange(const FontDescription&, const AtomicString& familyName,
         const FontDataForRangeSet&) override { };
 
     unsigned version() const override { return 0; }
     void fontCacheInvalidated() override { }
 
 private:
-    TestFontSelector(std::unique_ptr<FontCustomPlatformData> customPlatformData)
+    TestFontSelector(PassOwnPtr<FontCustomPlatformData> customPlatformData)
         : m_customPlatformData(std::move(customPlatformData))
     {
     }
 
-    std::unique_ptr<FontCustomPlatformData> m_customPlatformData;
+    OwnPtr<FontCustomPlatformData> m_customPlatformData;
 };
 
 } // namespace
 
 Font createTestFont(const AtomicString& familyName, const String& fontPath, float size)
 {
     FontFamily family;
     family.setFamily(familyName);
 
     FontDescription fontDescription;
     fontDescription.setFamily(family);
     fontDescription.setSpecifiedSize(size);
     fontDescription.setComputedSize(size);
 
     Font font(fontDescription);
     font.update(TestFontSelector::create(fontPath));
     return font;
 }
 
 } // namespace testing
 } // namespace blink