[Mac] Fix for fullscreen toolbar

chrome/browser/ui/cocoa/browser_window_controller.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_H_
 #define CHROME_BROWSER_UI_COCOA_BROWSER_WINDOW_CONTROLLER_H_
 
 // A class acting as the Objective-C controller for the Browser
 // object. Handles interactions between Cocoa and the cross-platform
 // code. Each window has a single toolbar and, by virtue of being a
@@ skipping 547 matching lines @@
 // finished.
 - (void)exitFullscreenAnimationFinished;
 
 // Resizes the fullscreen window to fit the screen it's currently on.  Called by
 // the FullscreenToolbarController when there is a change in monitor placement
 // or resolution.
 - (void)resizeFullscreenWindow;
 
 // Query/lock/release the requirement that the tab strip/toolbar/attached
 // bookmark bar bar cluster is visible (e.g., when one of its elements has
-// focus). This is required for the floating bar in presentation mode, but
-// should also be called when not in presentation mode; see the comments for
+// focus). This is required for the floating bar if it's hidden in fullscreen,
+// but should also be called when not in fullscreen mode; see the comments for
 // |barVisibilityLocks_| for more details. Double locks/releases by the same
 // owner are ignored. If |animate:| is YES, then an animation may be
 // performed. In the case of multiple calls, later calls have precedence with
-// the rule that |animate:NO| has precedence over |animate:YES|.
+// the rule that |animate:NO| has precedence over |animate:YES|. If |owner| is
+// nil in isBarVisibilityLockedForOwner, the method returns YES if there are
+// any locks.
 - (BOOL)isBarVisibilityLockedForOwner:(id)owner;
 - (void)lockBarVisibilityForOwner:(id)owner withAnimation:(BOOL)animate;
 - (void)releaseBarVisibilityForOwner:(id)owner withAnimation:(BOOL)animate;
 
 // Returns YES if any of the views in the floating bar currently has focus.
 - (BOOL)floatingBarHasFocus;
 
 // Accessor for the controller managing fullscreen ExclusiveAccessContext.
 - (ExclusiveAccessController*)exclusiveAccessController;
 
@@ skipping 46 matching lines @@
 // Returns the fullscreen toolbar controller.
 - (FullscreenToolbarController*)fullscreenToolbarController;
 
 // Sets the fullscreen toolbar controller.
 - (void)setFullscreenToolbarController:(FullscreenToolbarController*)controller;
 
 @end  // @interface BrowserWindowController (TestingAPI)
 
 
 #endif  // CHROME_BROWSER_UI_COCOA_BROWSER_WINDOW_CONTROLLER_H_