Rename UserInfo method GetEmail to GetDisplayEmail.

components/user_manager/user.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 COMPONENTS_USER_MANAGER_USER_H_
 #define COMPONENTS_USER_MANAGER_USER_H_
 
 #include <memory>
 #include <string>
 #include <vector>
@@ skipping 68 matching lines @@
     WALLPAPER_TYPE_COUNT = 7
   };
 
   // Returns true if user type has gaia account.
   static bool TypeHasGaiaAccount(UserType user_type);
 
   explicit User(const AccountId& account_id);
   ~User() override;
 
   // UserInfo
-  std::string GetEmail() const override;
+  std::string GetDisplayEmail() const override;
   base::string16 GetDisplayName() const override;
   base::string16 GetGivenName() const override;
   const gfx::ImageSkia& GetImage() const override;
   const AccountId& GetAccountId() const override;
 
   // Returns the user type.
   virtual UserType GetType() const = 0;
 
   // Allows managing child status of the user. Used for RegularUser.
   virtual void SetIsChild(bool is_child);
@@ skipping 204 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(User);
 };
 
 // List of known users.
 using UserList = std::vector<User*>;
 
 }  // namespace user_manager
 
 #endif  // COMPONENTS_USER_MANAGER_USER_H_