Linux Aura: Use Aura theme on all windows when 'Use Classic theme' is used

ui/views/widget/desktop_aura/desktop_native_widget_aura.h

 // 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.
 
 #ifndef UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_NATIVE_WIDGET_AURA_H_
 #define UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_NATIVE_WIDGET_AURA_H_
 
 #include <string>
 
 #include "base/macros.h"
@@ skipping 79 matching lines @@
   }
 
   aura::Window* content_window() { return content_window_; }
 
   Widget::InitParams::Type widget_type() const { return widget_type_; }
 
   // Ensures that the correct window is activated/deactivated based on whether
   // we are being activated/deactivated.
   void HandleActivationChanged(bool active);
 
+  // Overridden from internal::NativeWidgetPrivate:
+  gfx::NativeWindow GetNativeWindow() const override;
+
  protected:
   // Overridden from internal::NativeWidgetPrivate:
   void InitNativeWidget(const Widget::InitParams& params) override;
   void OnWidgetInitDone() override;
   NonClientFrameView* CreateNonClientFrameView() override;
   bool ShouldUseNativeFrame() const override;
   bool ShouldWindowContentsBeTransparent() const override;
   void FrameTypeChanged() override;
   Widget* GetWidget() override;
   const Widget* GetWidget() const override;
   gfx::NativeView GetNativeView() const override;
-  gfx::NativeWindow GetNativeWindow() const override;
   Widget* GetTopLevelWidget() override;
   const ui::Compositor* GetCompositor() const override;
   const ui::Layer* GetLayer() const override;
   void ReorderNativeViews() override;
   void ViewRemoved(View* view) override;
   void SetNativeWindowProperty(const char* name, void* value) override;
   void* GetNativeWindowProperty(const char* name) const override;
   TooltipManager* GetTooltipManager() const override;
   void SetCapture() override;
   void ReleaseCapture() override;
@@ skipping 188 matching lines @@
   // The following factory is used for calls to close the NativeWidgetAura
   // instance.
   base::WeakPtrFactory<DesktopNativeWidgetAura> close_widget_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(DesktopNativeWidgetAura);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_NATIVE_WIDGET_AURA_H_