Remove uses of base::hash_map from //chrome

chrome/browser/chromeos/login/users/chrome_user_manager_impl.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_CHROMEOS_LOGIN_USERS_CHROME_USER_MANAGER_IMPL_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_USERS_CHROME_USER_MANAGER_IMPL_H_
 
 #include <map>
 #include <memory>
 #include <string>
 #include <vector>
 
-#include "base/containers/hash_tables.h"
 #include "base/macros.h"
 #include "base/memory/linked_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/observer_list.h"
 #include "base/synchronization/lock.h"
 #include "base/time/time.h"
 #include "chrome/browser/chromeos/login/easy_unlock/bootstrap_manager.h"
 #include "chrome/browser/chromeos/login/user_flow.h"
 #include "chrome/browser/chromeos/login/users/affiliation.h"
 #include "chrome/browser/chromeos/login/users/avatar/user_image_manager_impl.h"
@@ skipping 147 matching lines @@
   void RegularUserLoggedInAsEphemeral(const AccountId& account_id) override;
   void SupervisedUserLoggedIn(const AccountId& account_id) override;
   bool HasPendingBootstrap(const AccountId& account_id) const override;
 
  private:
   friend class SupervisedUserManagerImpl;
   friend class UserManagerTest;
   friend class WallpaperManager;
   friend class WallpaperManagerTest;
 
-  using UserImageManagerMap =
-      base::hash_map<AccountId, linked_ptr<UserImageManager> >;
+  using UserImageManagerMap = std::map<AccountId, linked_ptr<UserImageManager>>;
 
   ChromeUserManagerImpl();
 
   // Retrieves trusted device policies and removes users from the persistent
   // list if ephemeral users are enabled. Schedules a callback to itself if
   // trusted device policies are not yet available.
   void RetrieveTrustedDevicePolicies();
 
   // If data for a device local account is marked as pending removal and the
   // user is no longer logged into that account, removes the data.
@@ skipping 90 matching lines @@
   std::unique_ptr<BootstrapManager> bootstrap_manager_;
 
   base::WeakPtrFactory<ChromeUserManagerImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeUserManagerImpl);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_USERS_CHROME_USER_MANAGER_IMPL_H_