Extract minimal RenderViewHost interface for embedders, leaving

chrome/browser/content_settings/tab_specific_content_settings.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/content_settings/tab_specific_content_settings.h"
 
 #include <list>
 
 #include "base/command_line.h"
 #include "base/lazy_instance.h"
@@ skipping 68 matching lines @@
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   RenderViewHost* view = RenderViewHost::FromID(
       render_process_id, render_view_id);
   if (!view)
     return NULL;
   // We loop through the tab contents and compare them with |view|, instead of
   // getting the RVH from each tab contents and comparing its IDs because the
   // latter will miss provisional RenderViewHosts.
   for (TabSpecificList::iterator i = g_tab_specific.Get().begin();
        i != g_tab_specific.Get().end(); ++i) {
-    if (view->delegate()->GetAsWebContents() == (*i)->web_contents())
+    if (view->GetDelegate()->GetAsWebContents() == (*i)->web_contents())
       return (*i);
   }
 
   return NULL;
 }
 
 // static
 void TabSpecificContentSettings::CookiesRead(int render_process_id,
                                              int render_view_id,
                                              const GURL& url,
@@ skipping 418 matching lines @@
   return new CookiesTreeModel(cookies_->Clone(),
                               databases_->Clone(),
                               local_storages_->Clone(),
                               session_storages_->Clone(),
                               appcaches_->Clone(),
                               indexed_dbs_->Clone(),
                               file_systems_->Clone(),
                               NULL,
                               true);
 }