Extract minimal RenderViewHost interface for embedders, leaving

content/browser/download/download_manager_impl.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 "content/browser/download/download_manager_impl.h"
 
 #include <iterator>
 
 #include "base/bind.h"
 #include "base/callback.h"
@@ skipping 824 matching lines @@
   // base::Bind can't handle 7 args, so we use URLParams and RenderParams.
   BrowserThread::PostTask(
       BrowserThread::IO, FROM_HERE,
       base::Bind(
           &BeginDownload,
           URLParams(url, referrer, post_id),
           prefer_cache,
           save_info,
           resource_dispatcher_host,
           RenderParams(web_contents->GetRenderProcessHost()->GetID(),
-                       web_contents->GetRenderViewHost()->routing_id()),
+                       web_contents->GetRenderViewHost()->GetRoutingID()),
           web_contents->GetBrowserContext()->GetResourceContext()));
 }
 
 void DownloadManagerImpl::AddObserver(Observer* observer) {
   observers_.AddObserver(observer);
   // TODO: It is the responsibility of the observers to query the
   // DownloadManager. Remove the following call from here and update all
   // observers.
   observer->ModelChanged(this);
 }
@@ skipping 303 matching lines @@
        it != history_downloads_.end(); ++it) {
     if (it->second->IsComplete() && !it->second->GetOpened())
       ++num_unopened;
   }
   download_stats::RecordOpensOutstanding(num_unopened);
 }
 
 void DownloadManagerImpl::SetFileManager(DownloadFileManager* file_manager) {
   file_manager_ = file_manager;
 }