Revert "Remove OwnPtr from Blink."

third_party/WebKit/Source/core/css/resolver/StyleResolverStats.h

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 15 matching lines @@
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef StyleResolverStats_h
 #define StyleResolverStats_h
 
 #include "platform/TraceEvent.h"
 #include "platform/TracedValue.h"
-#include "wtf/PtrUtil.h"
-#include <memory>
+#include "wtf/PassOwnPtr.h"
 
 namespace blink {
 
 class StyleResolverStats {
     USING_FAST_MALLOC(StyleResolverStats);
 public:
-    static std::unique_ptr<StyleResolverStats> create()
+    static PassOwnPtr<StyleResolverStats> create()
     {
-        return wrapUnique(new StyleResolverStats);
+        return adoptPtr(new StyleResolverStats);
     }
 
     void reset();
     bool allCountersEnabled() const;
-    std::unique_ptr<TracedValue> toTracedValue() const;
+    PassOwnPtr<TracedValue> toTracedValue() const;
 
     unsigned sharedStyleLookups;
     unsigned sharedStyleCandidates;
     unsigned sharedStyleFound;
     unsigned sharedStyleMissed;
     unsigned sharedStyleRejectedByUncommonAttributeRules;
     unsigned sharedStyleRejectedBySiblingRules;
     unsigned sharedStyleRejectedByParent;
     unsigned matchedPropertyApply;
     unsigned matchedPropertyCacheHit;
@@ skipping 14 matching lines @@
     {
         reset();
     }
 };
 
 #define INCREMENT_STYLE_STATS_COUNTER(styleEngine, counter, n) ((styleEngine).stats() && ((styleEngine).stats()-> counter += n));
 
 } // namespace blink
 
 #endif // StyleResolverStats_h