Multicast DNS implementation (initial)

net/net.gyp

Index: net/net.gyp
diff --git a/net/net.gyp b/net/net.gyp
index f7a4f71b336128f1ba31006e917c873d12fd0703..0831153f5e3c1ed8371bd20863dcfd67457356a2 100644
--- a/net/net.gyp
+++ b/net/net.gyp
@@ -445,6 +445,10 @@
         'dns/mapped_host_resolver.h',
         'dns/mdns_cache.cc',
         'dns/mdns_cache.h',
+        'dns/mdns_client.cc',
+        'dns/mdns_client.h',
+        'dns/mdns_client_impl.cc',
+        'dns/mdns_client_impl.h',
         'dns/notify_watcher_mac.cc',
         'dns/notify_watcher_mac.h',
         'dns/record_parsed.cc',
@@ -1305,6 +1309,10 @@
             'sources!' : [
               'dns/mdns_cache.cc',
               'dns/mdns_cache.h',
+              'dns/mdns_client.cc',
+              'dns/mdns_client.h',
+              'dns/mdns_client_impl.cc',
+              'dns/mdns_client_impl.h',
               'dns/record_parsed.cc',
               'dns/record_parsed.h',
               'dns/record_rdata.cc',
@@ -1542,6 +1550,7 @@
         'dns/host_resolver_impl_unittest.cc',
         'dns/mapped_host_resolver_unittest.cc',
         'dns/mdns_cache_unittest.cc',
+        'dns/mdns_client_unittest.cc',
         'dns/serial_worker_unittest.cc',
         'dns/record_parsed_unittest.cc',
         'dns/record_rdata_unittest.cc',
@@ -1944,6 +1953,8 @@
         [ 'enable_mdns != 1', {
             'sources!' : [
               'dns/mdns_cache_unittest.cc',
+              'dns/mdns_client_unittest.cc',
+              'dns/mdns_query_unittest.cc',
               'dns/record_parsed_unittest.cc',
               'dns/record_rdata_unittest.cc',
             ],