Remove new dialog style command-line flags, etc.

ash/wm/system_modal_container_layout_manager.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 "ash/wm/system_modal_container_layout_manager.h"
 
 #include "ash/session_state_delegate.h"
 #include "ash/shell.h"
 #include "ash/shell_window_ids.h"
 #include "ash/wm/system_modal_container_event_filter.h"
@@ skipping 137 matching lines @@
   if (!modal_background_) {
     modal_background_ = new views::Widget;
     views::Widget::InitParams params(views::Widget::InitParams::TYPE_CONTROL);
     params.parent = container_;
     params.bounds = Shell::GetScreen()->GetDisplayNearestWindow(
         container_).bounds();
     modal_background_->Init(params);
     modal_background_->GetNativeView()->SetName(
         "SystemModalContainerLayoutManager.ModalBackground");
     views::View* contents_view = new views::View();
-    // TODO(jamescook): This could also be SK_ColorWHITE if using the new
-    // dialog style via switches::IsNewDialogStyleEnabled().
+    // TODO(jamescook): This could be SK_ColorWHITE for the new dialog style.
     contents_view->set_background(
         views::Background::CreateSolidBackground(SK_ColorBLACK));
     modal_background_->SetContentsView(contents_view);
     modal_background_->GetNativeView()->layer()->SetOpacity(0.0f);
   }
 
   ui::ScopedLayerAnimationSettings settings(
       modal_background_->GetNativeView()->layer()->GetAnimator());
   modal_background_->Show();
   modal_background_->GetNativeView()->layer()->SetOpacity(0.5f);
@@ skipping 45 matching lines @@
 void SystemModalContainerLayoutManager::RemoveModalWindow(
     aura::Window* window) {
   aura::Window::Windows::iterator it =
       std::find(modal_windows_.begin(), modal_windows_.end(), window);
   if (it != modal_windows_.end())
     modal_windows_.erase(it);
 }
 
 }  // namespace internal
 }  // namespace ash