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

extensions/browser/extension_pref_value_map.h

 // Copyright 2014 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 EXTENSIONS_BROWSER_EXTENSION_PREF_VALUE_MAP_H_
 #define EXTENSIONS_BROWSER_EXTENSION_PREF_VALUE_MAP_H_
 
 #include <map>
+#include <memory>
 #include <set>
 #include <string>
 
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/observer_list.h"
 #include "components/keyed_service/core/keyed_service.h"
 #include "extensions/browser/extension_prefs_scope.h"
 
 class PrefValueMap;
 
 namespace base {
 class Time;
 class Value;
 }
@@ skipping 133 matching lines @@
 
   void RemoveObserver(Observer* observer);
 
   const base::Value* GetEffectivePrefValue(const std::string& key,
                                            bool incognito,
                                            bool* from_incognito) const;
 
  private:
   struct ExtensionEntry;
 
-  typedef std::map<std::string, scoped_ptr<ExtensionEntry>> ExtensionEntryMap;
+  typedef std::map<std::string, std::unique_ptr<ExtensionEntry>>
+      ExtensionEntryMap;
 
   const PrefValueMap* GetExtensionPrefValueMap(
       const std::string& ext_id,
       extensions::ExtensionPrefsScope scope) const;
 
   PrefValueMap* GetExtensionPrefValueMap(
       const std::string& ext_id,
       extensions::ExtensionPrefsScope scope);
 
   // Returns all keys of pref values that are set by the extension of |entry|,
@@ skipping 24 matching lines @@
   // being destroyed. In tests, it isn't called, so the notification must
   // be done in the destructor. This bit tracks whether it has been done yet.
   bool destroyed_;
 
   base::ObserverList<Observer, true> observers_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionPrefValueMap);
 };
 
 #endif  // EXTENSIONS_BROWSER_EXTENSION_PREF_VALUE_MAP_H_