Hide BrowsingInstance from all but SiteInstance, as intended by design.

chrome/browser/tab_contents/background_contents.cc

 // Copyright (c) 2011 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/tab_contents/background_contents.h"
 
 #include "chrome/browser/background/background_contents_service.h"
 #include "chrome/browser/extensions/extension_message_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/renderer_preferences_util.h"
 #include "chrome/browser/ui/webui/chrome_web_ui_factory.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "chrome/common/extensions/extension_constants.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/common/chrome_view_type.h"
-#include "content/browser/browsing_instance.h"
 #include "content/browser/renderer_host/render_view_host.h"
 #include "content/browser/site_instance.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/web_contents.h"
 #include "ui/gfx/rect.h"
 
 using content::WebContents;
 
 BackgroundContents::BackgroundContents(SiteInstance* site_instance,
                                        int routing_id,
                                        Delegate* delegate)
     : delegate_(delegate) {
   profile_ = Profile::FromBrowserContext(
-      site_instance->browsing_instance()->browser_context());
+      site_instance->GetBrowserContext());
 
   // TODO(rafaelw): Implement correct session storage.
   web_contents_.reset(WebContents::Create(
       profile_, site_instance, routing_id, NULL, NULL));
   web_contents_->SetViewType(chrome::VIEW_TYPE_BACKGROUND_CONTENTS);
   web_contents_->SetDelegate(this);
   content::WebContentsObserver::Observe(web_contents_.get());
 
   // Close ourselves when the application is shutting down.
   registrar_.Add(this, content::NOTIFICATION_APP_TERMINATING,
@@ skipping 83 matching lines @@
     case chrome::NOTIFICATION_PROFILE_DESTROYED:
     case content::NOTIFICATION_APP_TERMINATING: {
       delete this;
       break;
     }
     default:
       NOTREACHED() << "Unexpected notification sent.";
       break;
   }
 }