Extract minimal RenderViewHost interface for embedders, leaving

chrome/browser/ui/pdf/pdf_unsupported_feature.cc

Index: chrome/browser/ui/pdf/pdf_unsupported_feature.cc
diff --git a/chrome/browser/ui/pdf/pdf_unsupported_feature.cc b/chrome/browser/ui/pdf/pdf_unsupported_feature.cc
index edc5ce086a8ee35bd206eed87e9159042f0f996a..db9b12dfb8308dab20b9eb1dd31f6d4fc05d661d 100644
--- a/chrome/browser/ui/pdf/pdf_unsupported_feature.cc
+++ b/chrome/browser/ui/pdf/pdf_unsupported_feature.cc
@@ -149,7 +149,7 @@ void OpenUsingReader(TabContentsWrapper* tab,
                      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();
@@ -421,5 +421,5 @@ void PDFHasUnsupportedFeature(TabContentsWrapper* tab) {
   PluginService::GetInstance()->GetPluginGroups(
       base::Bind(&GotPluginGroupsCallback,
           tab->web_contents()->GetRenderProcessHost()->GetID(),
-          tab->web_contents()->GetRenderViewHost()->routing_id()));
+          tab->web_contents()->GetRenderViewHost()->GetRoutingID()));
 }