Split PrefService into PrefService, PrefServiceSimple and PrefServiceSyncable.

chrome/browser/chromeos/power/session_length_limiter_unittest.cc

 // Copyright (c) 2012 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.
 
 #include "chrome/browser/chromeos/power/session_length_limiter.h"
 
 #include <deque>
 #include <utility>
 
 #include "base/callback.h"
@@ skipping 158 matching lines @@
     now_ += kSessionLengthLimitTimerInterval;
     *remaining_ -= kSessionLengthLimitTimerInterval;
     if (*remaining_ < kZeroTimeDelta)
       remaining_.reset(new base::TimeDelta(kZeroTimeDelta));
   }
 
   base::Time GetCurrentTime() const {
     return now_;
   }
 
-  TestingPrefService local_state_;
+  TestingPrefServiceSimple local_state_;
   MockSessionLengthLimiterDelegate* delegate_;  // Owned by
                                                 // session_length_limiter_.
   scoped_refptr<ImmediateSingleThreadTaskRunner> runner_;
 
   base::Time session_start_time_;
   base::Time now_;
   scoped_ptr<base::TimeDelta> remaining_;
 
   scoped_ptr<SessionLengthLimiter> session_length_limiter_;
 };
@@ skipping 185 matching lines @@
       remaining_.reset(new base::TimeDelta(kZeroTimeDelta));
   }
 
   // Check that the next timer tick does not lead to the session being
   // terminated.
   now_ += kSessionLengthLimitTimerInterval;
   runner_->RunTasks();
 }
 
 }  // namespace chromeos