linux_aura: Keep GTK state from leaking between profiles.

chrome/browser/ui/views/frame/browser_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 "chrome/browser/ui/views/frame/browser_desktop_window_tree_host_win.h"
 
 #include <dwmapi.h>
 
 #include "chrome/browser/lifetime/application_lifetime.h"
 #include "chrome/browser/themes/theme_service.h"
@@ skipping 21 matching lines @@
 
 // DesktopThemeProvider maps resource ids using MapThemeImage(). This is
 // necessary for BrowserDesktopWindowTreeHostWin so that it uses the windows
 // theme images rather than the ash theme images.
 class DesktopThemeProvider : public ui::ThemeProvider {
  public:
   explicit DesktopThemeProvider(ui::ThemeProvider* delegate)
       : delegate_(delegate) {
   }
 
+  virtual bool UsingNativeTheme() const OVERRIDE {
+    return delegate_->UsingNativeTheme();
+  }
   virtual gfx::ImageSkia* GetImageSkiaNamed(int id) const OVERRIDE {
     return delegate_->GetImageSkiaNamed(
         chrome::MapThemeImage(chrome::HOST_DESKTOP_TYPE_NATIVE, id));
   }
   virtual SkColor GetColor(int id) const OVERRIDE {
     return delegate_->GetColor(id);
   }
   virtual int GetDisplayProperty(int id) const OVERRIDE {
     return delegate_->GetDisplayProperty(id);
   }
@@ skipping 273 matching lines @@
     BrowserDesktopWindowTreeHost::CreateBrowserDesktopWindowTreeHost(
         views::internal::NativeWidgetDelegate* native_widget_delegate,
         views::DesktopNativeWidgetAura* desktop_native_widget_aura,
         BrowserView* browser_view,
         BrowserFrame* browser_frame) {
   return new BrowserDesktopWindowTreeHostWin(native_widget_delegate,
                                              desktop_native_widget_aura,
                                              browser_view,
                                              browser_frame);
 }