Implement a Menu Item to Hide the Toolbar in Fullscreen

chrome/browser/ui/views/frame/browser_view.cc

 // Copyright 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/views/frame/browser_view.h"
 
 #include <algorithm>
 
 #include "base/auto_reset.h"
 #include "base/command_line.h"
@@ skipping 1002 matching lines @@
 }
 
 bool BrowserView::IsFullscreen() const {
   return frame_->IsFullscreen();
 }
 
 bool BrowserView::IsFullscreenBubbleVisible() const {
   return exclusive_access_bubble_ != nullptr;
 }
 
-bool BrowserView::SupportsFullscreenWithToolbar() const {
-  return false;
-}
-
 void BrowserView::UpdateFullscreenWithToolbar(bool with_toolbar) {
   // This is currently a Mac only feature.
   NOTIMPLEMENTED();
 }
 
 bool BrowserView::IsFullscreenWithToolbar() const {
   return false;
 }
 
 #if defined(OS_WIN)
@@ skipping 1593 matching lines @@
   return immersive_mode_controller()->IsEnabled();
 }
 
 views::Widget* BrowserView::GetBubbleAssociatedWidget() {
   return GetWidget();
 }
 
 gfx::Rect BrowserView::GetTopContainerBoundsInScreen() {
   return top_container_->GetBoundsInScreen();
 }