Adds DNS prefetch support to Chromecast.

components/dns_prefetch.gypi

 # Copyright 2014 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': [
     {
       # GN version: //components/dns_prefetch/common
       'target_name': 'dns_prefetch_common',
       'type': 'static_library',
@@ skipping 35 matching lines @@
         {
           # GN version: //components/dns_prefetch/renderer
           'target_name': 'dns_prefetch_renderer',
           'type': 'static_library',
           'include_dirs': [
             '..',
           ],
           'dependencies': [
             'dns_prefetch_common',
             '../content/content.gyp:content_renderer',
+            '../third_party/WebKit/public/blink.gyp:blink',
           ],
           'sources': [
             'dns_prefetch/renderer/predictor_queue.cc',
             'dns_prefetch/renderer/predictor_queue.h',
+            'dns_prefetch/renderer/prescient_networking_dispatcher.cc',
+            'dns_prefetch/renderer/prescient_networking_dispatcher.h',
             'dns_prefetch/renderer/renderer_net_predictor.cc',
             'dns_prefetch/renderer/renderer_net_predictor.h',
           ],
         },
       ],
     }],
   ],
 }