Hide the fullscreen toolbar only for FramedBrowserWindow

chrome/browser/ui/cocoa/chrome_event_processing_window.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.
 
 #import "chrome/browser/ui/cocoa/chrome_event_processing_window.h"
 
 #include "base/logging.h"
 #import "chrome/browser/ui/cocoa/chrome_command_dispatcher_delegate.h"
 #import "ui/base/cocoa/user_interface_item_command_handler.h"
 
@@ skipping 19 matching lines @@
     [commandDispatcher_ setDelegate:commandDispatcherDelegate_];
   }
   return self;
 }
 
 - (BOOL)handleExtraKeyboardShortcut:(NSEvent*)event {
   return [commandDispatcherDelegate_ handleExtraKeyboardShortcut:event
                                                           window:self];
 }
 
+- (BOOL)shouldHideFullscreenToolbar {
+  return YES;
+}
+
 // CommandDispatchingWindow implementation.
 
 - (void)setCommandHandler:(id<UserInterfaceItemCommandHandler>)commandHandler {
   commandHandler_.reset([commandHandler retain]);
 }
 
 - (BOOL)redispatchKeyEvent:(NSEvent*)event {
   return [commandDispatcher_ redispatchKeyEvent:event];
 }
 
@@ skipping 30 matching lines @@
       [item action] == @selector(commandDispatchUsingKeyModifiers:)) {
     return commandHandler_
                ? [commandHandler_ validateUserInterfaceItem:item window:self]
                : [[NSApp delegate] validateUserInterfaceItem:item];
   }
 
   return [super validateUserInterfaceItem:item];
 }
 
 @end  // ChromeEventProcessingWindow