Use the native frame for the task manager on Linux Aura

ui/views/widget/desktop_aura/desktop_window_tree_host_win.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 "ui/views/widget/desktop_aura/desktop_window_tree_host_win.h"
 
 #include "base/win/metro.h"
 #include "third_party/skia/include/core/SkPath.h"
 #include "third_party/skia/include/core/SkRegion.h"
 #include "ui/aura/client/aura_constants.h"
@@ skipping 17 matching lines @@
 #include "ui/views/ime/input_method_bridge.h"
 #include "ui/views/widget/desktop_aura/desktop_cursor_loader_updater.h"
 #include "ui/views/widget/desktop_aura/desktop_drag_drop_client_win.h"
 #include "ui/views/widget/desktop_aura/desktop_native_cursor_manager.h"
 #include "ui/views/widget/desktop_aura/desktop_native_widget_aura.h"
 #include "ui/views/widget/root_view.h"
 #include "ui/views/widget/widget_delegate.h"
 #include "ui/views/widget/widget_hwnd_utils.h"
 #include "ui/views/win/fullscreen_handler.h"
 #include "ui/views/win/hwnd_message_handler.h"
-#include "ui/views/window/native_frame_view.h"
 #include "ui/wm/core/compound_event_filter.h"
 #include "ui/wm/core/input_method_event_filter.h"
 #include "ui/wm/core/window_animations.h"
 #include "ui/wm/public/scoped_tooltip_disabler.h"
 
 namespace views {
 
 namespace {
 
 gfx::Size GetExpandedWindowSize(DWORD window_style, gfx::Size size) {
@@ skipping 326 matching lines @@
   // IsAeroGlassEnabled, because ShouldUseNativeFrame is overridden in a
   // subclass.
   return ShouldUseNativeFrame();
 }
 
 void DesktopWindowTreeHostWin::FrameTypeChanged() {
   message_handler_->FrameTypeChanged();
   SetWindowTransparency();
 }
 
-NonClientFrameView* DesktopWindowTreeHostWin::CreateNonClientFrameView() {
-  return GetWidget()->ShouldUseNativeFrame() ?
-      new NativeFrameView(GetWidget()) : NULL;
-}
-
 void DesktopWindowTreeHostWin::SetFullscreen(bool fullscreen) {
   message_handler_->fullscreen_handler()->SetFullscreen(fullscreen);
   // TODO(sky): workaround for ScopedFullscreenVisibility showing window
   // directly. Instead of this should listen for visibility changes and then
   // update window.
   if (message_handler_->IsVisible() && !content_window_->TargetVisibility())
     content_window_->Show();
   SetWindowTransparency();
 }
 
@@ skipping 551 matching lines @@
 
 // static
 DesktopWindowTreeHost* DesktopWindowTreeHost::Create(
     internal::NativeWidgetDelegate* native_widget_delegate,
     DesktopNativeWidgetAura* desktop_native_widget_aura) {
   return new DesktopWindowTreeHostWin(native_widget_delegate,
                                       desktop_native_widget_aura);
 }
 
 }  // namespace views