Move infobar handling to a tab helper.

chrome/browser/password_manager_delegate_impl.cc

Index: chrome/browser/password_manager_delegate_impl.cc
diff --git a/chrome/browser/password_manager_delegate_impl.cc b/chrome/browser/password_manager_delegate_impl.cc
index b873b2ef77ac86a2c293cdd8138e4b378ccee79c..c30c6387f66aedaed6a84564ba0c409827e491c8 100644
--- a/chrome/browser/password_manager_delegate_impl.cc
+++ b/chrome/browser/password_manager_delegate_impl.cc
@@ -6,6 +6,7 @@
 
 #include "base/memory/singleton.h"
 #include "base/metrics/histogram.h"
+#include "chrome/browser/infobars/infobar_tab_helper.h"
 #include "chrome/browser/password_manager/password_form_manager.h"
 #include "chrome/browser/password_manager/password_manager.h"
 #include "chrome/browser/tab_contents/confirm_infobar_delegate.h"
@@ -115,8 +116,9 @@ void PasswordManagerDelegateImpl::FillPasswordForm(
 
 void PasswordManagerDelegateImpl::AddSavePasswordInfoBar(
     PasswordFormManager* form_to_save) {
-  tab_contents_->AddInfoBar(new SavePasswordInfoBarDelegate(
-      tab_contents_->tab_contents(), form_to_save));
+  tab_contents_->infobar_tab_helper()->AddInfoBar(
+      new SavePasswordInfoBarDelegate(
+          tab_contents_->tab_contents(), form_to_save));
 }
 
 Profile* PasswordManagerDelegateImpl::GetProfileForPasswordManager() {