Implemented system tray UI for new account management.

ash/session_state_delegate.h

 // Copyright (c) 2013 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 ASH_SESSION_STATE_DELEGATE_H_
 #define ASH_SESSION_STATE_DELEGATE_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 76 matching lines @@
   // Returns |true| if user session blocked by some overlying UI. It can be
   // login screen, lock screen or screen for adding users into multi-profile
   // session.
   virtual bool IsUserSessionBlocked() const = 0;
 
   // Gets the displayed name for the user with the given |index|.
   // Note that |index| can at maximum be |NumberOfLoggedInUsers() - 1|.
   virtual const base::string16 GetUserDisplayName(
       MultiProfileIndex index) const = 0;
 
+  // Gets the given name of the user with |index|. An empty string can be
+  // returned if the given name of the user is unknown.
+  // Note that |index| can at maximum be |NumberOfLoggedInUsers() - 1|.
+  virtual const base::string16 GetUserGivenName(
+      MultiProfileIndex index) const = 0;
+
   // Gets the display email address for the user with the given |index|.
   // The display email address might contains some periods in the email name
   // as well as capitalized letters. For example: "Foo.Bar@mock.com".
   // Note that |index| can at maximum be |NumberOfLoggedInUsers() - 1|.
   virtual const std::string GetUserEmail(MultiProfileIndex index) const = 0;
 
   // Gets the user id (sanitized email address) for the user with the given
   // |index|. The function would return something like "foobar@mock.com".
   // Note that |index| can at maximum be |NumberOfLoggedInUsers() - 1|.
   virtual const std::string GetUserID(MultiProfileIndex index) const = 0;
@@ skipping 14 matching lines @@
   virtual void CycleActiveUser(CycleUser cycle_user) = 0;
 
   // Adds or removes sessions state observer.
   virtual void AddSessionStateObserver(SessionStateObserver* observer) = 0;
   virtual void RemoveSessionStateObserver(SessionStateObserver* observer) = 0;
 };
 
 }  // namespace ash
 
 #endif  // ASH_SESSION_STATE_DELEGATE_H_