PoC: Using the toolkit-views fullscreen access bubble on Mac

chrome/browser/ui/cocoa/browser_window_controller.mm

 // Copyright 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/browser_window_controller.h"
 
 #include <cmath>
 #include <numeric>
 
 #include "base/command_line.h"
@@ skipping 1864 matching lines @@
   // Same as |x| above.
   CGFloat y = 0;
   if (NSMaxY(target) < NSMaxY(source))
     y = NSMaxY(source) - NSMaxY(target);
   else if (NSMinY(source) < NSMinY(target))
     y = NSMinY(source) - NSMinY(target);
 
   return NSMakeSize(x, y);
 }
 
-// (Private/TestingAPI)
-- (ExclusiveAccessBubbleWindowController*)
-        exclusiveAccessBubbleWindowController {
-  return exclusiveAccessBubbleWindowController_.get();
-}
-
 - (NSRect)omniboxPopupAnchorRect {
   // Start with toolbar rect.
   NSView* toolbarView = [toolbarController_ view];
   NSRect anchorRect = [toolbarView frame];
 
   // Adjust to account for height and possible bookmark bar. Compress by 1
   // to account for the separator.
   anchorRect.origin.y =
       NSMaxY(anchorRect) - [toolbarController_ desiredHeightForCompression:1];
 
@@ skipping 207 matching lines @@
 
 - (BOOL)supportsBookmarkBar {
   return [self supportsWindowFeature:Browser::FEATURE_BOOKMARKBAR];
 }
 
 - (BOOL)isTabbedWindow {
   return browser_->is_type_tabbed();
 }
 
 @end  // @implementation BrowserWindowController(WindowType)