[OSX] Don't create deferred windows.

chrome/browser/ui/cocoa/fullscreen_window.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 "chrome/browser/ui/cocoa/fullscreen_window.h"
 
 #import "chrome/browser/ui/cocoa/themed_window.h"
 
 @implementation FullscreenWindow
 
 // Make sure our designated initializer gets called.
 - (id)init {
   return [self initForScreen:[NSScreen mainScreen]];
 }
 
 - (id)initForScreen:(NSScreen*)screen {
   NSRect contentRect;
   contentRect.origin = NSZeroPoint;
   contentRect.size = [screen frame].size;
 
   if ((self = [super initWithContentRect:contentRect
                                styleMask:NSBorderlessWindowMask
                                  backing:NSBackingStoreBuffered
-                                   defer:YES
+                                   defer:NO
                                   screen:screen])) {
     [self setReleasedWhenClosed:NO];
     // Borderless windows don't usually show up in the Windows menu so whine at
     // Cocoa until it complies. See -dealloc and -setTitle: as well.
     [NSApp addWindowsItem:self title:@"" filename:NO];
     [[self contentView] setWantsLayer:YES];
   }
   return self;
 }
 
@@ skipping 55 matching lines @@
 
   // Explicitly enable |-performClose:| (see above); otherwise the fact that
   // this window does not have a close button results in it being disabled.
   if (action == @selector(performClose:))
     return YES;
 
   return [super validateUserInterfaceItem:item];
 }
 
 @end