Split InfoBarService core code into InfoBarManager

chrome/browser/managed_mode/managed_mode_navigation_observer.cc

Index: chrome/browser/managed_mode/managed_mode_navigation_observer.cc
diff --git a/chrome/browser/managed_mode/managed_mode_navigation_observer.cc b/chrome/browser/managed_mode/managed_mode_navigation_observer.cc
index bd06cafedd2b045038b760ddc2abf159ce568eb8..6b56362f862a5a931ea7a11aabb62d68693baba5 100644
--- a/chrome/browser/managed_mode/managed_mode_navigation_observer.cc
+++ b/chrome/browser/managed_mode/managed_mode_navigation_observer.cc
@@ -13,6 +13,7 @@
 #include "chrome/browser/history/history_types.h"
 #include "chrome/browser/infobars/confirm_infobar_delegate.h"
 #include "chrome/browser/infobars/infobar.h"
+#include "chrome/browser/infobars/infobar_manager.h"
 #include "chrome/browser/infobars/infobar_service.h"
 #include "chrome/browser/managed_mode/managed_mode_interstitial.h"
 #include "chrome/browser/managed_mode/managed_mode_resource_throttle.h"
@@ -188,7 +189,9 @@ void ManagedModeNavigationObserver::ProvisionalChangeToMainFrameUrl(
     return;
 
   // If we shouldn't have a warn infobar remove it here.
-  InfoBarService::FromWebContents(web_contents())->RemoveInfoBar(warn_infobar_);
+  InfoBarManager& infobar_manager =
+      InfoBarService::FromWebContents(web_contents())->infobar_manager();
+  infobar_manager.RemoveInfoBar(warn_infobar_);
   warn_infobar_ = NULL;
 }