Remove NOTIFICATION_WEB_STORE_PROMO_LOADED; the code that fired it was removed in r149235!

chrome/browser/ui/webui/ntp/app_launcher_handler.cc

Index: chrome/browser/ui/webui/ntp/app_launcher_handler.cc
diff --git a/chrome/browser/ui/webui/ntp/app_launcher_handler.cc b/chrome/browser/ui/webui/ntp/app_launcher_handler.cc
index 6d7d9ee5fdcfd433b7759978d3c94bad7c0afce8..1e03be8e730742af14f412882ddfd72abebf9edd 100644
--- a/chrome/browser/ui/webui/ntp/app_launcher_handler.cc
+++ b/chrome/browser/ui/webui/ntp/app_launcher_handler.cc
@@ -317,12 +317,6 @@ void AppLauncherHandler::Observe(int type,
       }
       break;
     }
-    // The promo may not load until a couple seconds after the first NTP view,
-    // so we listen for the load notification and notify the NTP when ready.
-    case chrome::NOTIFICATION_WEB_STORE_PROMO_LOADED:
-      // TODO(estade): Try to get rid of this inefficient operation.
-      HandleGetApps(NULL);
-      break;
     case chrome::NOTIFICATION_EXTENSION_INSTALL_ERROR: {
       CrxInstaller* crx_installer = content::Source<CrxInstaller>(source).ptr();
       if (!Profile::FromWebUI(web_ui())->IsSameProfile(
@@ -454,8 +448,6 @@ void AppLauncherHandler::HandleGetApps(const ListValue* args) {
     registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_LAUNCHER_REORDERED,
         content::Source<ExtensionSorting>(
             extension_service_->extension_prefs()->extension_sorting()));
-    registrar_.Add(this, chrome::NOTIFICATION_WEB_STORE_PROMO_LOADED,
-        content::Source<Profile>(profile));
     registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_INSTALL_ERROR,
         content::Source<CrxInstaller>(NULL));
     registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_LOAD_ERROR,