Move scoped_nsdisable_screen_update from base to app/mac...

base/chrome_application_mac.h

 // Copyright (c) 2009 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 BASE_CHROME_APPLICATION_MAC_H_
 #define BASE_CHROME_APPLICATION_MAC_H_
 #pragma once
 
 #import <AppKit/AppKit.h>
 
 #include "base/basictypes.h"
 #include "base/scoped_nsobject.h"
 
 // Event hooks must implement this protocol.
 @protocol CrApplicationEventHookProtocol
 - (void)hookForEvent:(NSEvent*)theEvent;
 @end
 
 
 @interface CrApplication : NSApplication {
  @private
   BOOL handlingSendEvent_;
- // Array of objects implementing the CrApplicationEventHookProtocol
+  // Array of objects implementing the CrApplicationEventHookProtocol
   scoped_nsobject<NSMutableArray> eventHooks_;
 }
 @property(readonly,
           getter=isHandlingSendEvent,
           nonatomic) BOOL handlingSendEvent;
 
 // Add or remove an event hook to be called for every sendEvent:
 // that the application receives.  These handlers are called before
 // the normal [NSApplication sendEvent:] call is made.
 
@@ skipping 18 matching lines @@
 
  private:
   CrApplication* app_;
   BOOL handling_;
   DISALLOW_COPY_AND_ASSIGN(ScopedSendingEvent);
 };
 
 }  // chrome_application_mac
 
 #endif  // BASE_CHROME_APPLICATION_MAC_H_