Convert //chrome/browser/extensions from scoped_ptr to std::unique_ptr

chrome/browser/extensions/api/content_settings/content_settings_store.h

 // Copyright (c) 2012 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.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_API_CONTENT_SETTINGS_CONTENT_SETTINGS_STORE_H_
 #define CHROME_BROWSER_EXTENSIONS_API_CONTENT_SETTINGS_CONTENT_SETTINGS_STORE_H_
 
 #include <map>
 #include <string>
 
@@ skipping 34 matching lines @@
     // ContentSettingsStore.
     virtual void OnContentSettingChanged(
         const std::string& extension_id,
         bool incognito) = 0;
   };
 
   ContentSettingsStore();
 
   // //////////////////////////////////////////////////////////////////////////
 
-  scoped_ptr<content_settings::RuleIterator> GetRuleIterator(
+  std::unique_ptr<content_settings::RuleIterator> GetRuleIterator(
       ContentSettingsType type,
       const content_settings::ResourceIdentifier& identifier,
       bool incognito) const;
 
   // Sets the content |setting| for |pattern| of extension |ext_id|. The
   // |incognito| flag allow to set whether the provided setting is for
   // incognito mode only.
   // Precondition: the extension must be registered.
   // This method should only be called on the UI thread.
   void SetExtensionContentSetting(
@@ skipping 71 matching lines @@
   base::ObserverList<Observer, false> observers_;
 
   mutable base::Lock lock_;
 
   DISALLOW_COPY_AND_ASSIGN(ContentSettingsStore);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_CONTENT_SETTINGS_CONTENT_SETTINGS_STORE_H_