Remove WebContents::GetRoutingID().

extensions/browser/guest_view/web_view/web_view_guest.cc

Index: extensions/browser/guest_view/web_view/web_view_guest.cc
diff --git a/extensions/browser/guest_view/web_view/web_view_guest.cc b/extensions/browser/guest_view/web_view/web_view_guest.cc
index 25f3249d44ebdebd041ab9ff1eb06b1daeed344c..97e34148d84d118fb116692c5be450faeb05e3fe 100644
--- a/extensions/browser/guest_view/web_view/web_view_guest.cc
+++ b/extensions/browser/guest_view/web_view/web_view_guest.cc
@@ -474,7 +474,8 @@ void WebViewGuest::GuestDestroyed() {
 void WebViewGuest::GuestReady() {
   // The guest RenderView should always live in an isolated guest process.
   CHECK(web_contents()->GetRenderProcessHost()->IsForGuestsOnly());
-  Send(new ExtensionMsg_SetFrameName(web_contents()->GetRoutingID(), name_));
+  Send(new ExtensionMsg_SetFrameName(
+      web_contents()->GetRenderViewHost()->GetRoutingID(), name_));
 
   // We don't want to accidentally set the opacity of an interstitial page.
   // WebContents::GetRenderWidgetHostView will return the RWHV of an
@@ -953,12 +954,11 @@ void WebViewGuest::PushWebViewStateToIOThread() {
       web_view_info.embedder_process_id, web_view_info.instance_id);
 
   content::BrowserThread::PostTask(
-      content::BrowserThread::IO,
-      FROM_HERE,
+      content::BrowserThread::IO, FROM_HERE,
       base::Bind(&WebViewRendererState::AddGuest,
                  base::Unretained(WebViewRendererState::GetInstance()),
                  web_contents()->GetRenderProcessHost()->GetID(),
-                 web_contents()->GetRoutingID(),
+                 web_contents()->GetRenderViewHost()->GetRoutingID(),
                  web_view_info));
 }
 
@@ -967,11 +967,10 @@ void WebViewGuest::RemoveWebViewStateFromIOThread(
     WebContents* web_contents) {
   content::BrowserThread::PostTask(
       content::BrowserThread::IO, FROM_HERE,
-      base::Bind(
-          &WebViewRendererState::RemoveGuest,
-          base::Unretained(WebViewRendererState::GetInstance()),
-          web_contents->GetRenderProcessHost()->GetID(),
-          web_contents->GetRoutingID()));
+      base::Bind(&WebViewRendererState::RemoveGuest,
+                 base::Unretained(WebViewRendererState::GetInstance()),
+                 web_contents->GetRenderProcessHost()->GetID(),
+                 web_contents->GetRenderViewHost()->GetRoutingID()));
 }
 
 void WebViewGuest::RequestMediaAccessPermission(