[Easy signin] Add method to get user info to easyUnlockPrivate

chrome/browser/signin/easy_unlock_screenlock_state_handler.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_SIGNIN_EASY_UNLOCK_SCREENLOCK_STATE_HANDLER_H_
 #define CHROME_BROWSER_SIGNIN_EASY_UNLOCK_SCREENLOCK_STATE_HANDLER_H_
 
 #include <string>
 
 #include "base/strings/string16.h"
@@ skipping 45 matching lines @@
   virtual ~EasyUnlockScreenlockStateHandler();
 
   // Changes internal state to |new_state| and updates the user's screenlock
   // accordingly.
   void ChangeState(State new_state);
 
  private:
   // ScreenlockBridge::Observer:
   virtual void OnScreenDidLock() OVERRIDE;
   virtual void OnScreenDidUnlock() OVERRIDE;
+  virtual void OnFocusedUserChanged(const std::string& user_id) OVERRIDE;
 
   // Updates icon's tooltip options.
   // |trial_run|: Whether the trial Easy Unlock run is in progress.
   void UpdateTooltipOptions(
       bool trial_run,
       ScreenlockBridge::UserPodCustomIconOptions* icon_options);
 
   // Whether this is the first, trial Easy Unlock run. If this is the case, a
   // tutorial message should be shown and hard-locking be disabled in
   // Authenticated state. The trial run will be active if Easy Unlock never
@@ skipping 12 matching lines @@
 
   State state_;
   std::string user_email_;
   PrefService* pref_service_;
   ScreenlockBridge* screenlock_bridge_;
 
   DISALLOW_COPY_AND_ASSIGN(EasyUnlockScreenlockStateHandler);
 };
 
 #endif  // CHROME_BROWSER_SIGNIN_EASY_UNLOCK_SCREENLOCK_STATE_HANDLER_H_