[MD History] Make sidebar menu respond to spacebar.

chrome/browser/resources/md_history/compiled_resources2.gyp

 # Copyright 2015 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': 'constants',
       'includes': ['../../../../third_party/closure_compiler/compile_js2.gypi'],
     },
     {
@@ skipping 112 matching lines @@
         'synced_device_card',
         'synced_device_manager',
         '../history/compiled_resources2.gyp:externs',
       ],
       'includes': ['../../../../third_party/closure_compiler/compile_js2.gypi'],
     },
     {
       'target_name': 'side_bar',
       'dependencies': [
         '<(DEPTH)/third_party/polymer/v1_0/components-chromium/app-layout/app-drawer/compiled_resources2.gyp:app-drawer-extracted',
+        '<(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/iron-selector/compiled_resources2.gyp:iron-selector-extracted',
         'browser_service',
       ],
       'includes': ['../../../../third_party/closure_compiler/compile_js2.gypi'],
     },
     {
       'target_name': 'synced_device_card',
       'dependencies': [
         '../history/compiled_resources2.gyp:externs',
         '<(DEPTH)/ui/webui/resources/js/compiled_resources2.gyp:icon',
         '<(DEPTH)/ui/webui/resources/js/compiled_resources2.gyp:load_time_data',
         'browser_service',
         'constants',
         'externs',
       ],
       'includes': ['../../../../third_party/closure_compiler/compile_js2.gypi'],
     },
     {
       'target_name': 'synced_device_manager',
       'dependencies': [
         '<(DEPTH)/ui/webui/resources/cr_elements/cr_shared_menu/compiled_resources2.gyp:cr_shared_menu',
         'browser_service',
         'lazy_render',
         'synced_device_card',
       ],
       'includes': ['../../../../third_party/closure_compiler/compile_js2.gypi'],
     },
   ],
 }