[MD Bookmarks] Add keyboard navigation to sidebar.

chrome/browser/resources/md_bookmarks/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': 'actions',
       'dependencies': [
         '<(DEPTH)/ui/webui/resources/js/compiled_resources2.gyp:cr',
         '<(EXTERNS_GYP):chrome_extensions',
@@ skipping 37 matching lines @@
         '<(EXTERNS_GYP):bookmark_manager_private',
         '<(EXTERNS_GYP):metrics_private',
         'store',
         'types',
       ],
       'includes': ['../../../../third_party/closure_compiler/compile_js2.gypi']
     },
     {
       'target_name': 'edit_dialog',
       'dependencies': [
-        '<(DEPTH)/third_party/polymer/v1_0/components-chromium/iron-a11y-keys-behavior/compiled_resources2.gyp:iron-a11y-keys-behavior-extracted',
         '<(DEPTH)/third_party/polymer/v1_0/components-chromium/paper-input/compiled_resources2.gyp:paper-input-extracted',
         '<(DEPTH)/ui/webui/resources/js/compiled_resources2.gyp:assert',
         '<(DEPTH)/ui/webui/resources/js/compiled_resources2.gyp:load_time_data',
         '<(DEPTH)/ui/webui/resources/js/compiled_resources2.gyp:assert',
         '<(EXTERNS_GYP):chrome_extensions',
         'types',
       ],
       'includes': ['../../../../third_party/closure_compiler/compile_js2.gypi']
     },
     {
@@ skipping 88 matching lines @@
       'target_name': 'util',
       'dependencies': [
         '<(DEPTH)/ui/webui/resources/js/compiled_resources2.gyp:cr',
         '<(EXTERNS_GYP):chrome_extensions',
         'types',
       ],
       'includes': ['../../../../third_party/closure_compiler/compile_js2.gypi']
     }
   ]
 }