Adds View::GetNativeTheme() to get the NativeTheme. The interesting

ui/views/widget/native_widget_aura.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/native_widget_aura.h"
 
 #include "base/bind.h"
 #include "base/string_util.h"
 #include "third_party/skia/include/core/SkRegion.h"
 #include "ui/aura/client/activation_change_observer.h"
 #include "ui/aura/client/activation_client.h"
 #include "ui/aura/client/aura_constants.h"
 #include "ui/aura/client/cursor_client.h"
 #include "ui/aura/client/drag_drop_client.h"
 #include "ui/aura/client/screen_position_client.h"
 #include "ui/aura/client/stacking_client.h"
 #include "ui/aura/client/window_move_client.h"
 #include "ui/aura/client/window_types.h"
 #include "ui/aura/env.h"
 #include "ui/aura/focus_manager.h"
 #include "ui/aura/root_window.h"
 #include "ui/aura/window.h"
 #include "ui/aura/window_observer.h"
 #include "ui/base/dragdrop/os_exchange_data.h"
 #include "ui/base/events/event.h"
+#include "ui/base/native_theme/native_theme_aura.h"
 #include "ui/base/ui_base_types.h"
 #include "ui/compositor/layer.h"
 #include "ui/gfx/canvas.h"
 #include "ui/gfx/font.h"
 #include "ui/gfx/screen.h"
 #include "ui/views/drag_utils.h"
 #include "ui/views/ime/input_method_bridge.h"
 #include "ui/views/views_delegate.h"
 #include "ui/views/widget/desktop_native_widget_aura.h"
 #include "ui/views/widget/drop_helper.h"
 #include "ui/views/widget/native_widget_aura_window_observer.h"
 #include "ui/views/widget/native_widget_delegate.h"
 #include "ui/views/widget/root_view.h"
 #include "ui/views/widget/tooltip_manager_aura.h"
 #include "ui/views/widget/widget_aura_utils.h"
 #include "ui/views/widget/widget_delegate.h"
 
 #if defined(OS_WIN)
 #include "base/win/scoped_gdi_object.h"
 #include "base/win/win_util.h"
 #include "ui/base/l10n/l10n_util_win.h"
 #endif
 
+#if !defined(OS_CHROMEOS)
+#include "ui/views/widget/desktop_root_window_host.h"
+#endif
+
 namespace views {
 
 namespace {
 
 void SetRestoreBounds(aura::Window* window, const gfx::Rect& bounds) {
   window->SetProperty(aura::client::kRestoreBoundsKey, new gfx::Rect(bounds));
 }
 
 }  // namespace
 
@@ skipping 549 matching lines @@
   if (window_->parent() &&
       aura::client::GetWindowMoveClient(window_->parent())) {
     aura::client::GetWindowMoveClient(window_->parent())->EndMoveLoop();
   }
 }
 
 void NativeWidgetAura::SetVisibilityChangedAnimationsEnabled(bool value) {
   window_->SetProperty(aura::client::kAnimationsDisabledKey, !value);
 }
 
+ui::NativeTheme* NativeWidgetAura::GetNativeTheme() {
+#if !defined(OS_CHROMEOS)
+  return DesktopRootWindowHost::GetNativeTheme(window_);
+#endif
+  return ui::NativeThemeAura::instance();
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 // NativeWidgetAura, views::InputMethodDelegate implementation:
 
 void NativeWidgetAura::DispatchKeyEventPostIME(const ui::KeyEvent& key) {
   FocusManager* focus_manager = GetWidget()->GetFocusManager();
   if (delegate_->OnKeyEvent(key) || !focus_manager)
     return;
   focus_manager->OnKeyEvent(key);
 }
 
@@ skipping 361 matching lines @@
   return aura::Env::GetInstance()->is_mouse_button_down();
 }
 
 // static
 bool NativeWidgetPrivate::IsTouchDown() {
   return aura::Env::GetInstance()->is_touch_down();
 }
 
 }  // namespace internal
 }  // namespace views