Implement a Menu Item to Hide the Toolbar in Fullscreen

chrome/browser/ui/exclusive_access/fullscreen_controller.cc

 // 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/exclusive_access/fullscreen_controller.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/location.h"
 #include "base/single_thread_task_runner.h"
@@ skipping 409 matching lines @@
 #if defined(OS_WIN)
   // When in Metro snap mode, toggling in and out of fullscreen is prevented.
   if (IsInMetroSnapMode())
     return;
 #endif
 
   ExclusiveAccessContext* const exclusive_access_context =
       exclusive_access_manager()->context();
   bool enter_fullscreen = !exclusive_access_context->IsFullscreen();
 
-  // When a Mac user requests a toggle they may be toggling between
-  // FullscreenWithoutChrome and FullscreenWithToolbar.
-  if (exclusive_access_context->IsFullscreen() &&
-      !IsWindowFullscreenForTabOrPending() &&
-      exclusive_access_context->SupportsFullscreenWithToolbar()) {
-    if (option == BROWSER_WITH_TOOLBAR) {
-      enter_fullscreen = enter_fullscreen ||
-                         !exclusive_access_context->IsFullscreenWithToolbar();
-    } else {
-      enter_fullscreen = enter_fullscreen ||
-                         exclusive_access_context->IsFullscreenWithToolbar();
-    }
-  }
-
   // In kiosk mode, we always want to be fullscreen. When the browser first
   // starts we're not yet fullscreen, so let the initial toggle go through.
   if (chrome::IsRunningInAppMode() && exclusive_access_context->IsFullscreen())
     return;
 
 #if !defined(OS_MACOSX)
   // Do not enter fullscreen mode if disallowed by pref. This prevents the user
   // from manually entering fullscreen mode and also disables kiosk mode on
   // desktop platforms.
   if (enter_fullscreen &&
@@ skipping 142 matching lines @@
     return fullscreened_origin_;
 
   return exclusive_access_tab()->GetLastCommittedURL();
 }
 
 GURL FullscreenController::GetEmbeddingOrigin() const {
   DCHECK(exclusive_access_tab());
 
   return exclusive_access_tab()->GetLastCommittedURL();
 }