Remove OwnPtr from Blink.

third_party/WebKit/Source/platform/text/PlatformLocale.h

 /*
  * Copyright (C) 2012 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:
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
  *     notice, this list of conditions and the following disclaimer in the
@@ skipping 12 matching lines @@
  * DAMAGE.
  */
 
 #ifndef PlatformLocale_h
 #define PlatformLocale_h
 
 #include "platform/DateComponents.h"
 #include "platform/Language.h"
 #include "public/platform/WebLocalizedString.h"
 #include "wtf/Allocator.h"
-#include "wtf/PassOwnPtr.h"
 #include "wtf/text/WTFString.h"
+#include <memory>
 
 namespace blink {
 
 class PLATFORM_EXPORT Locale {
     WTF_MAKE_NONCOPYABLE(Locale);
     USING_FAST_MALLOC(Locale);
 public:
-    static PassOwnPtr<Locale> create(const String& localeIdentifier);
+    static std::unique_ptr<Locale> create(const String& localeIdentifier);
     static Locale& defaultLocale();
 
     String queryString(WebLocalizedString::Name);
     String queryString(WebLocalizedString::Name, const String& parameter);
     String queryString(WebLocalizedString::Name, const String& parameter1, const String& parameter2);
     String validationMessageTooLongText(unsigned valueLength, int maxLength);
     String validationMessageTooShortText(unsigned valueLength, int minLength);
 
     // Converts the specified number string to another number string localized
     // for this Locale locale. The input string must conform to HTML
@@ skipping 112 matching lines @@
     String m_positivePrefix;
     String m_positiveSuffix;
     String m_negativePrefix;
     String m_negativeSuffix;
     String m_acceptableNumberCharacters;
     bool m_hasLocaleData;
 };
 
 } // namespace blink
 #endif