[MD settings] closure compile settings menu

This CL adds closure compilation to the settings menu directory.

BUG=425627
CQ_INCLUDE_TRYBOTS=tryserver.chromium.linux:closure_compilation

Review-Url: https://codereview.chromium.org/2111023002
Cr-Commit-Position: refs/heads/master@{#403281}

chrome/browser/resources/settings/compiled_resources2.gyp

@@ -24,6 +24,7 @@
         'privacy_page/compiled_resources2.gyp:*',
         'reset_page/compiled_resources2.gyp:*',
         'settings_main/compiled_resources2.gyp:*',
+        'settings_menu/compiled_resources2.gyp:*',
         'settings_page/compiled_resources2.gyp:*',
         'site_settings/compiled_resources2.gyp:*',
         'site_settings_page/compiled_resources2.gyp:*',

chrome/browser/resources/settings/settings_menu/compiled_resources2.gyp

+# Copyright 2016 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+{
+  'targets': [
+    {
+      'target_name': 'settings_menu',
+      'dependencies': [
+        '../settings_page/compiled_resources2.gyp:settings_router',
+      ],
+      'includes': ['../../../../../third_party/closure_compiler/compile_js2.gypi'],
+    },
+  ],
+}

chrome/browser/resources/settings/settings_menu/settings_menu.js

@@ -73,6 +73,7 @@ Polymer({
         page: submenuRoute,
         section: event.currentTarget.dataset.section,
         subpage: [],
+        url: '',
       };
     }
   },