Support replacement of IP address resolutions via command line flag

net/net.gyp

Index: net/net.gyp
diff --git a/net/net.gyp b/net/net.gyp
index f4997585c7f63be3aeef42154ec33e853c0c1ae6..cb0ce2df40a36e7559dbcbad68a66c1822c701df 100644
--- a/net/net.gyp
+++ b/net/net.gyp
@@ -142,6 +142,10 @@
         'base/iovec.h',
         'base/ip_endpoint.cc',
         'base/ip_endpoint.h',
+        'base/ip_mapping_rules.cc',
+        'base/ip_mapping_rules.h',
+        'base/ip_pattern.cc',
+        'base/ip_pattern.h',
         'base/keygen_handler.cc',
         'base/keygen_handler.h',
         'base/keygen_handler_mac.cc',
@@ -504,6 +508,8 @@
         'dns/host_resolver_proc.h',
         'dns/mapped_host_resolver.cc',
         'dns/mapped_host_resolver.h',
+        'dns/mapped_ip_resolver.cc',
+        'dns/mapped_ip_resolver.h',
         'dns/mdns_cache.cc',
         'dns/mdns_cache.h',
         'dns/mdns_client.cc',
@@ -1654,6 +1660,8 @@
         'base/host_mapping_rules_unittest.cc',
         'base/host_port_pair_unittest.cc',
         'base/ip_endpoint_unittest.cc',
+        'base/ip_mapping_rules_unittest.cc',
+        'base/ip_pattern_unittest.cc',
         'base/keygen_handler_unittest.cc',
         'base/mime_sniffer_unittest.cc',
         'base/mime_util_unittest.cc',