Extract minimal RenderViewHost interface for embedders, leaving

chrome/browser/tab_contents/tab_util.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/tab_contents/tab_util.h"
 
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/webui/chrome_web_ui_controller_factory.h"
 #include "chrome/common/chrome_switches.h"
 #include "content/browser/renderer_host/render_view_host.h"
 #include "content/public/browser/render_view_host_delegate.h"
 #include "content/public/browser/site_instance.h"
 #include "content/public/browser/web_contents.h"
 #include "googleurl/src/gurl.h"
 
 using content::SiteInstance;
 using content::WebContents;
 
 namespace tab_util {
 
 content::WebContents* GetWebContentsByID(int render_process_id,
                                          int render_view_id) {
   RenderViewHost* render_view_host =
       RenderViewHost::FromID(render_process_id, render_view_id);
   if (!render_view_host)
     return NULL;
 
-  return render_view_host->delegate()->GetAsWebContents();
+  return render_view_host->GetDelegate()->GetAsWebContents();
 }
 
 SiteInstance* GetSiteInstanceForNewTab(WebContents* source_contents,
                                        Profile* profile,
                                        const GURL& url) {
   // If url is a WebUI or extension, we need to be sure to use the right type
   // of renderer process up front.  Otherwise, we create a normal SiteInstance
   // as part of creating the tab.
   ExtensionService* service = profile->GetExtensionService();
   if (ChromeWebUIControllerFactory::GetInstance()->UseWebUIForURL(
@@ skipping 10 matching lines @@
   if (!CommandLine::ForCurrentProcess()->HasSwitch(switches::kProcessPerTab) &&
       SiteInstance::IsSameWebSite(source_contents->GetBrowserContext(),
                                   source_contents->GetURL(),
                                   url)) {
     return source_contents->GetSiteInstance();
   }
   return NULL;
 }
 
 }  // namespace tab_util