Delete NOTIFICATION_EXTENSION_LOCATION_BAR_UPDATED, never Notify()d.

chrome/browser/ui/cocoa/location_bar/location_bar_view_mac.mm

Index: chrome/browser/ui/cocoa/location_bar/location_bar_view_mac.mm
diff --git a/chrome/browser/ui/cocoa/location_bar/location_bar_view_mac.mm b/chrome/browser/ui/cocoa/location_bar/location_bar_view_mac.mm
index 6145348aad97eb5e779708f3d4852c996fce9870..170b37f2aba0cf2f10cd75c6aa425b4c7b7a8a53 100644
--- a/chrome/browser/ui/cocoa/location_bar/location_bar_view_mac.mm
+++ b/chrome/browser/ui/cocoa/location_bar/location_bar_view_mac.mm
@@ -146,8 +146,6 @@ LocationBarViewMac::LocationBarViewMac(AutocompleteTextField* field,
       this, chrome::NOTIFICATION_EXTENSION_PAGE_ACTION_VISIBILITY_CHANGED,
       content::NotificationService::AllSources());
   content::Source<Profile> profile_source = content::Source<Profile>(profile);
-  registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_LOCATION_BAR_UPDATED,
-                 profile_source);
   registrar_.Add(
       this, chrome::NOTIFICATION_EXTENSION_LOADED_DEPRECATED, profile_source);
   registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_UNLOADED_DEPRECATED,
@@ -630,14 +628,6 @@ void LocationBarViewMac::Observe(int type,
       break;
     }
 
-    case chrome::NOTIFICATION_EXTENSION_LOCATION_BAR_UPDATED: {
-      // Only update if the updated action box was for the active tab contents.
-      WebContents* target_tab = content::Details<WebContents>(details).ptr();
-      if (target_tab == GetWebContents())
-        UpdatePageActions();
-      break;
-    }
-
     case chrome::NOTIFICATION_EXTENSION_LOADED_DEPRECATED:
     case chrome::NOTIFICATION_EXTENSION_UNLOADED_DEPRECATED:
       Update(NULL);