Eliminate InfoBarTabHelper. Make InfoBarService a concrete class.

chrome/browser/ui/auto_login_infobar_delegate.cc

Index: chrome/browser/ui/auto_login_infobar_delegate.cc
===================================================================
--- chrome/browser/ui/auto_login_infobar_delegate.cc	(revision 195254)
+++ chrome/browser/ui/auto_login_infobar_delegate.cc	(working copy)
@@ -203,7 +203,7 @@
 
 bool AutoLoginInfoBarDelegate::Accept() {
   // AutoLoginRedirector deletes itself.
-  new AutoLoginRedirector(&owner()->GetWebContents()->GetController(),
+  new AutoLoginRedirector(&owner()->web_contents()->GetController(),
                           params_.header.args);
   RecordHistogramAction(HISTOGRAM_ACCEPTED);
   button_pressed_ = true;
@@ -212,7 +212,7 @@
 
 bool AutoLoginInfoBarDelegate::Cancel() {
   Profile* profile = Profile::FromBrowserContext(
-      owner()->GetWebContents()->GetBrowserContext());
+      owner()->web_contents()->GetBrowserContext());
   PrefService* pref_service = profile->GetPrefs();
   pref_service->SetBoolean(prefs::kAutologinEnabled, false);
   RecordHistogramAction(HISTOGRAM_REJECTED);
@@ -236,7 +236,7 @@
   registrar_.Add(this,
                  chrome::NOTIFICATION_GOOGLE_SIGNED_OUT,
                  content::Source<Profile>(Profile::FromBrowserContext(
-                     owner->GetWebContents()->GetBrowserContext())));
+                     owner->web_contents()->GetBrowserContext())));
 }
 
 AutoLoginInfoBarDelegate::~AutoLoginInfoBarDelegate() {