[MD] Remove new incognito styling from guest mode.

chrome/browser/ui/views/frame/browser_frame.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/views/frame/browser_frame.h"
 
 #include <utility>
 
 #include "base/debug/leak_annotations.h"
 #include "base/i18n/rtl.h"
@@ skipping 67 matching lines @@
   views::Widget::InitParams params = native_browser_frame_->GetWidgetParams();
   params.delegate = browser_view_;
   if (browser_view_->browser()->is_type_tabbed()) {
     // Typed panel/popup can only return a size once the widget has been
     // created.
     chrome::GetSavedWindowBoundsAndShowState(browser_view_->browser(),
                                              &params.bounds,
                                              &params.show_state);
   }
 
-  if (browser_view_->browser()->profile()->IsOffTheRecord()) {
+  if (browser_view_->browser()->profile()->GetProfileType() ==
+      Profile::INCOGNITO_PROFILE) {
 #if defined(OS_WIN)
     params.native_theme = ui::NativeThemeDarkWin::instance();
 #elif defined(OS_CHROMEOS)
     params.native_theme = ui::NativeThemeDarkAura::instance();
 #endif
   }
 
   Init(params);
 
   if (!native_browser_frame_->UsesNativeSystemMenu()) {
@@ skipping 157 matching lines @@
 
 AvatarMenuButton* BrowserFrame::GetAvatarMenuButton() {
   return browser_frame_view_->avatar_button();
 }
 
 #if defined(FRAME_AVATAR_BUTTON)
 views::View* BrowserFrame::GetNewAvatarMenuButton() {
   return browser_frame_view_->new_avatar_button();
 }
 #endif