Extract minimal RenderViewHost interface for embedders, leaving

chrome/browser/ui/pdf/pdf_unsupported_feature.cc

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// 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/pdf/pdf_unsupported_feature.h"
 
 #include "base/bind.h"
 #include "base/utf_string_conversions.h"
 #include "base/values.h"
 #include "base/version.h"
 #include "chrome/browser/chrome_plugin_service_filter.h"
@@ skipping 130 matching lines @@
   tab->OpenURL(params);
 }
 
 // Opens the PDF using Adobe Reader.
 void OpenUsingReader(TabContentsWrapper* tab,
                      const WebPluginInfo& reader_plugin,
                      InfoBarDelegate* old_delegate,
                      InfoBarDelegate* new_delegate) {
   ChromePluginServiceFilter::GetInstance()->OverridePluginForTab(
       tab->web_contents()->GetRenderProcessHost()->GetID(),
-      tab->web_contents()->GetRenderViewHost()->routing_id(),
+      tab->web_contents()->GetRenderViewHost()->GetRoutingID(),
       tab->web_contents()->GetURL(),
       ASCIIToUTF16(PluginGroup::kAdobeReaderGroupName));
   tab->web_contents()->GetRenderViewHost()->ReloadFrame();
 
   if (new_delegate) {
     if (old_delegate) {
       tab->infobar_tab_helper()->ReplaceInfoBar(old_delegate, new_delegate);
     } else {
       tab->infobar_tab_helper()->AddInfoBar(new_delegate);
     }
@@ skipping 251 matching lines @@
 void PDFHasUnsupportedFeature(TabContentsWrapper* tab) {
 #if !defined(OS_WIN)
   // Only works for Windows for now.  For Mac, we'll have to launch the file
   // externally since Adobe Reader doesn't work inside Chrome.
   return;
 #endif
 
   PluginService::GetInstance()->GetPluginGroups(
       base::Bind(&GotPluginGroupsCallback,
           tab->web_contents()->GetRenderProcessHost()->GetID(),
-          tab->web_contents()->GetRenderViewHost()->routing_id()));
+          tab->web_contents()->GetRenderViewHost()->GetRoutingID()));
 }