[MD Extensions] Implement keyboard shortcuts page

chrome/browser/resources/md_extensions/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': 'animation_helper',
       'dependencies': [
         '<(DEPTH)/ui/webui/resources/js/compiled_resources2.gyp:assert',
         '<(DEPTH)/ui/webui/resources/js/compiled_resources2.gyp:cr',
@@ skipping 92 matching lines @@
         '<(EXTERNS_GYP):developer_private',
         '<(EXTERNS_GYP):management',
         'item',
         'manager',
         'pack_dialog',
         'sidebar',
       ],
       'includes': ['../../../../third_party/closure_compiler/compile_js2.gypi'],
     },
     {
+      'target_name': 'shortcut_input',
+      'dependencies': [
+        '<(DEPTH)/chrome/browser/resources/extensions/compiled_resources2.gyp:shortcut_util',
+        '<(DEPTH)/ui/webui/resources/js/compiled_resources2.gyp:assert',
+        '<(DEPTH)/ui/webui/resources/js/compiled_resources2.gyp:cr',
+        '<(EXTERNS_GYP):developer_private',
+      ],
+      'includes': ['../../../../third_party/closure_compiler/compile_js2.gypi'],
+    },
+    {
       'target_name': 'sidebar',
       'dependencies': [
         '<(DEPTH)/ui/webui/resources/js/compiled_resources2.gyp:assert',
         '<(DEPTH)/ui/webui/resources/js/compiled_resources2.gyp:cr',
         '<(DEPTH)/ui/webui/resources/js/compiled_resources2.gyp:i18n_behavior',
       ],
       'includes': ['../../../../third_party/closure_compiler/compile_js2.gypi'],
     },
     {
       'target_name': 'toolbar',
       'dependencies': [
         '<(DEPTH)/ui/webui/resources/js/compiled_resources2.gyp:assert',
         '<(DEPTH)/ui/webui/resources/js/compiled_resources2.gyp:cr',
       ],
       'includes': ['../../../../third_party/closure_compiler/compile_js2.gypi'],
     },
   ]
 }