MD Downloads: preload bold Roboto in a better way

chrome/browser/resources/md_downloads/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': 'action_service',
       '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:load_time_data',
       ],
       'includes': ['../../../../third_party/closure_compiler/compile_js2.gypi'],
     },
     {
       'target_name': 'constants',
       'dependencies': ['<(DEPTH)/ui/webui/resources/js/compiled_resources2.gyp:cr'],
       'includes': ['../../../../third_party/closure_compiler/compile_js2.gypi'],
     },
     {
+      'target_name': 'downloads',
+      'dependencies': [
+        '<(DEPTH)/ui/webui/resources/js/compiled_resources2.gyp:cr',
+        'manager',
+      ],
+      'includes': ['../../../../third_party/closure_compiler/compile_js2.gypi'],
+    },
+    {
       'target_name': 'externs',
       'includes': ['../../../../third_party/closure_compiler/include_js.gypi'],
     },
     {
       'target_name': 'item',
       'dependencies': [
         '<(DEPTH)/ui/webui/resources/js/compiled_resources2.gyp:cr',
         '<(DEPTH)/ui/webui/resources/js/compiled_resources2.gyp:load_time_data',
         '<(DEPTH)/third_party/polymer/v1_0/components-chromium/paper-behaviors/compiled_resources2.gyp:paper-inky-focus-behavior-extracted',
         'constants',
@@ skipping 25 matching lines @@
         '<(DEPTH)/ui/webui/resources/js/compiled_resources2.gyp:cr',
         '<(DEPTH)/ui/webui/resources/js/compiled_resources2.gyp:util',
         '<(DEPTH)/ui/webui/resources/cr_elements/cr_toolbar/compiled_resources2.gyp:cr_toolbar',
         '<(DEPTH)/third_party/polymer/v1_0/components-chromium/paper-menu/compiled_resources2.gyp:paper-menu-extracted',
         'action_service',
       ],
       'includes': ['../../../../third_party/closure_compiler/compile_js2.gypi'],
     },
   ],
 }