Cleanup: Remove some unneeded timer.h includes.

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"
-#include "base/timer/timer.h"
 #include "chrome/browser/signin/screenlock_bridge.h"
 
 class PrefService;
 
 // Profile specific class responsible for updating screenlock UI for the user
 // associated with the profile when their Easy Unlock state changes.
 class EasyUnlockScreenlockStateHandler : public ScreenlockBridge::Observer {
  public:
   // Available Easy Unlock states.
   enum State {
@@ skipping 100 matching lines @@
 
   // Whether this is the trial Easy Unlock run. If this is the case, a
   // tutorial message should be shown and hard-locking be disabled. The trial
   // run should be set if the screen was locked by the Easy Unlock setup app.
   bool is_trial_run_;
 
   DISALLOW_COPY_AND_ASSIGN(EasyUnlockScreenlockStateHandler);
 };
 
 #endif  // CHROME_BROWSER_SIGNIN_EASY_UNLOCK_SCREENLOCK_STATE_HANDLER_H_