Split PrefService into PrefService, PrefServiceSimple and PrefServiceSyncable.

chrome/browser/ui/cocoa/confirm_quit_panel_controller.mm

 // 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.
 
 #import <Cocoa/Cocoa.h>
 #import <QuartzCore/QuartzCore.h>
 
 #import "chrome/browser/ui/cocoa/confirm_quit_panel_controller.h"
 
 #include "base/logging.h"
@@ skipping 27 matching lines @@
 const NSTimeInterval kDoubleTapTimeDelta = 0.32;
 
 // Functions ///////////////////////////////////////////////////////////////////
 
 namespace confirm_quit {
 
 void RecordHistogram(ConfirmQuitMetric sample) {
   UMA_HISTOGRAM_ENUMERATION("OSX.ConfirmToQuit", sample, kSampleCount);
 }
 
-void RegisterLocalState(PrefService* local_state) {
+void RegisterLocalState(PrefServiceSimple* local_state) {
   local_state->RegisterBooleanPref(prefs::kConfirmToQuitEnabled, false);
 }
 
 }  // namespace confirm_quit
 
 // Custom Content View /////////////////////////////////////////////////////////
 
 // The content view of the window that draws a custom frame.
 @interface ConfirmQuitFrameView : NSView {
  @private
@@ skipping 356 matching lines @@
   if (modifiers & NSAlternateKeyMask)
     [string appendString:@"\u2325"];
   if (modifiers & NSShiftKeyMask)
     [string appendString:@"\u21E7"];
 
   [string appendString:[item.characters() uppercaseString]];
   return string;
 }
 
 @end