Hide the toolbar when in extension fullscreen on OSX

chrome/browser/ui/cocoa/browser_window_controller_private.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_COCOA_BROWSER_WINDOW_CONTROLLER_PRIVATE_H_
 #define CHROME_BROWSER_UI_COCOA_BROWSER_WINDOW_CONTROLLER_PRIVATE_H_
 
 #import "chrome/browser/ui/cocoa/browser_window_controller.h"
 #import "chrome/browser/ui/cocoa/browser_window_layout.h"
 #import "chrome/browser/ui/cocoa/presentation_mode_controller.h"
@@ skipping 179 matching lines @@
 // Modal sheets should be hidden at the beginning and then shown at the end.
 - (void)setSheetHiddenForFullscreenTransition:(BOOL)shoudHide;
 
 // Adjusts the UI and destroys the exit bubble when we are exiting fullscreen.
 - (void)adjustUIForExitingFullscreen;
 
 // Determines the appropriate sliding fullscreen style and adjusts the UI to
 // it when we are entering fullscreen.
 - (void)adjustUIForEnteringFullscreen;
 
-// Returns YES if the fullscreen is for tab content.
-- (BOOL)isFullscreenForTabContent;
+// Returns YES if the fullscreen is for tab content or an extension.
+- (BOOL)isFullscreenForTabContentOrExtension;
 
 #endif
 
 @end  // @interface BrowserWindowController(Private)
 
 #endif  // CHROME_BROWSER_UI_COCOA_BROWSER_WINDOW_CONTROLLER_PRIVATE_H_