Implement a Menu Item to Hide the Toolbar in Fullscreen

chrome/browser/ui/cocoa/browser_window_cocoa.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.
 
 #include "chrome/browser/ui/cocoa/browser_window_cocoa.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/logging.h"
 #import "base/mac/sdk_forward_declarations.h"
@@ skipping 416 matching lines @@
 }
 
 bool BrowserWindowCocoa::IsFullscreen() const {
   return [controller_ isInAnyFullscreenMode];
 }
 
 bool BrowserWindowCocoa::IsFullscreenBubbleVisible() const {
   return false;
 }
 
-bool BrowserWindowCocoa::SupportsFullscreenWithToolbar() const {
-  return chrome::mac::SupportsSystemFullscreen();
-}
-
 void BrowserWindowCocoa::UpdateFullscreenWithToolbar(bool with_toolbar) {
   [controller_ updateFullscreenWithToolbar:with_toolbar];
 }
 
+void BrowserWindowCocoa::ToggleFullscreenToolbar() {
+  [controller_ toggleFullscreenToolbar];
+}
+
 bool BrowserWindowCocoa::IsFullscreenWithToolbar() const {
   return IsFullscreen() && ![controller_ inPresentationMode];
 }
 
+bool BrowserWindowCocoa::ShouldHideFullscreenToolbar() const {
+  return [controller_ shouldHideFullscreenToolbar];
+}
+
 void BrowserWindowCocoa::ConfirmAddSearchProvider(
     TemplateURL* template_url,
     Profile* profile) {
   // The controller will release itself when the window closes.
   EditSearchEngineCocoaController* editor =
       [[EditSearchEngineCocoaController alloc] initWithProfile:profile
                                                       delegate:NULL
                                                    templateURL:template_url];
   [NSApp beginSheet:[editor window]
      modalForWindow:window()
@@ skipping 396 matching lines @@
 void BrowserWindowCocoa::UnhideDownloadShelf() {
   GetDownloadShelf()->Unhide();
 }
 
 void BrowserWindowCocoa::HideDownloadShelf() {
   GetDownloadShelf()->Hide();
   StatusBubble* statusBubble = GetStatusBubble();
   if (statusBubble)
     statusBubble->Hide();
 }