Mac: Remove deprecated call to CGDisplayIsCaptured IsFullScreenMode().

chrome/browser/fullscreen_mac.mm

 // Copyright (c) 2011 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/fullscreen.h"
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/command_line.h"
 
 bool IsFullScreenMode() {
-  // Check if the main display has been captured (by games in particular).
-  if (CGDisplayIsCaptured(CGMainDisplayID()))
-    return true;
-
   NSApplicationPresentationOptions options =
       [NSApp currentSystemPresentationOptions];
 
   bool dock_hidden = (options & NSApplicationPresentationHideDock) ||
                      (options & NSApplicationPresentationAutoHideDock);
 
   bool menu_hidden = (options & NSApplicationPresentationHideMenuBar) ||
                      (options & NSApplicationPresentationAutoHideMenuBar);
 
   // If both dock and menu bar are hidden, that is the equivalent of the Carbon
   // SystemUIMode (or Info.plist's LSUIPresentationMode) kUIModeAllHidden.
   if (dock_hidden && menu_hidden)
     return true;
 
   if (options & NSApplicationPresentationFullScreen)
     return true;
 
   return false;
 }