[net] Add DNS-related signals and NetLog to NetworkChangeNotifier.

net/net.gyp

 # Copyright (c) 2012 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.
 
 {
   'variables': {
     'chromium_code': 1,
 
     'linux_link_kerberos%': 0,
     'conditions': [
@@ skipping 91 matching lines @@
         'base/dnssec_chain_verifier.cc',
         'base/dnssec_chain_verifier.h',
         'base/dnssec_keyset.cc',
         'base/dnssec_keyset.h',
         'base/escape.cc',
         'base/escape.h',
         'base/escape_icu.cc',
         'base/expiring_cache.h',
         'base/ev_root_ca_metadata.cc',
         'base/ev_root_ca_metadata.h',
+        'base/file_path_watcher_callback.cc',
+        'base/file_path_watcher_callback.h',
         'base/file_stream.cc',
         'base/file_stream.h',
         'base/file_stream_metrics.cc',
         'base/file_stream_metrics.h',
         'base/file_stream_metrics_posix.cc',
         'base/file_stream_metrics_win.cc',
         'base/file_stream_net_log_parameters.cc',
         'base/file_stream_net_log_parameters.h',
         'base/file_stream_posix.cc',
         'base/file_stream_posix.h',
@@ skipping 1617 matching lines @@
             'tools/dump_cache/url_to_filename_encoder.cc',
             'tools/dump_cache/url_to_filename_encoder.h',
             'tools/dump_cache/url_utilities.h',
             'tools/dump_cache/url_utilities.cc',
           ],
         },
       ],
     }],
   ],
 }