Hide the fullscreen toolbar only for FramedBrowserWindow

chrome/browser/ui/cocoa/apps/native_app_window_cocoa.mm

 // Copyright 2013 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/apps/native_app_window_cocoa.h"
 
 #include "base/command_line.h"
 #include "base/mac/foundation_util.h"
 #include "base/mac/mac_util.h"
 #include "base/mac/sdk_forward_declarations.h"
@@ skipping 171 matching lines @@
   return NO;
 }
 
 @end
 
 @interface AppNSWindow : ChromeEventProcessingWindow
 @end
 
 @implementation AppNSWindow
 
+- (BOOL)shouldHideFullscreenToolbar {
+  return NO;
+}
+
 // Similar to ChromeBrowserWindow, don't draw the title, but allow it to be seen
 // in menus, Expose, etc.
 - (BOOL)_isTitleHidden {
   return YES;
 }
 
 @end
 
 @interface AppFramelessNSWindow : AppNSWindow
 @end
@@ skipping 680 matching lines @@
 }
 
 void NativeAppWindowCocoa::UpdateRestoredBounds() {
   if (IsRestored(*this))
     restored_bounds_ = [window() frame];
 }
 
 void NativeAppWindowCocoa::HideWithoutMarkingHidden() {
   [window() orderOut:window_controller_];
 }