Remove base::ScopedPtrHashMap from chrome/browser/extensions.

chrome/browser/extensions/extension_management.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 CHROME_BROWSER_EXTENSIONS_EXTENSION_MANAGEMENT_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_MANAGEMENT_H_
 
 #include <memory>
 #include <string>
+#include <unordered_map>
 #include <vector>
 
-#include "base/containers/scoped_ptr_hash_map.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/singleton.h"
 #include "base/observer_list.h"
 #include "base/values.h"
 #include "components/keyed_service/content/browser_context_keyed_service_factory.h"
 #include "components/keyed_service/core/keyed_service.h"
 #include "components/prefs/pref_change_registrar.h"
 #include "extensions/browser/management_policy.h"
 #include "extensions/common/extension_id.h"
@@ skipping 100 matching lines @@
                               const PermissionSet& perms) const;
 
   // Returns true if |extension| meets the minimum required version set for it.
   // If there is no such requirement set for it, returns true as well.
   // If false is returned and |required_version| is not null, the minimum
   // required version is returned.
   bool CheckMinimumVersion(const Extension* extension,
                            std::string* required_version) const;
 
  private:
-  typedef base::ScopedPtrHashMap<ExtensionId,
-                                 std::unique_ptr<internal::IndividualSettings>>
-      SettingsIdMap;
-  typedef base::ScopedPtrHashMap<std::string,
-                                 std::unique_ptr<internal::IndividualSettings>>
-      SettingsUpdateUrlMap;
+  using SettingsIdMap =
+      std::unordered_map<ExtensionId,
+                         std::unique_ptr<internal::IndividualSettings>>;
+  using SettingsUpdateUrlMap =
+      std::unordered_map<std::string,
+                         std::unique_ptr<internal::IndividualSettings>>;
   friend class ExtensionManagementServiceTest;
 
   // Load all extension management preferences from |pref_service|, and
   // refresh the settings.
   void Refresh();
 
   // Load preference with name |pref_name| and expected type |expected_type|.
   // If |force_managed| is true, only loading from the managed preference store
   // is allowed. Returns NULL if the preference is not present, not allowed to
   // be loaded from or has the wrong type.
@@ skipping 62 matching lines @@
       content::BrowserContext* context) const override;
   void RegisterProfilePrefs(
       user_prefs::PrefRegistrySyncable* registry) override;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionManagementFactory);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_MANAGEMENT_H_