Preserve the app in the AppLauncherHandler if it's disabled.

BUG=284400

Review URL: https://chromiumcodereview.appspot.com/23935004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@221673 0039d316-1c4b-4281-b951-d872f2087c98

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

@@ -295,7 +295,8 @@ void AppLauncherHandler::Observe(int type,
 
       scoped_ptr<DictionaryValue> app_info(GetAppInfo(extension));
       if (app_info.get()) {
-        visible_apps_.erase(extension->id());
+        if (uninstalled)
+          visible_apps_.erase(extension->id());
 
         scoped_ptr<base::FundamentalValue> uninstall_value(
             Value::CreateBooleanValue(uninstalled));