Add IPAddress class as a replacement for the IPAddressNumber typedef.

net/net.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.
 
 # This file is shared between the regular GYP build, the NaCl GYP build, and
 # the GN build. For GN support, it must have no conditionals or anything like
 # that beyond the simple one-level-deep dictionary of values.
 {
   'variables': {
     # Subset of net source files that are compiled for NaCl (net_nacl target).
@@ skipping 12 matching lines @@
       'base/escape.cc',
       'base/escape.h',
       'base/hash_value.cc',
       'base/hash_value.h',
       'base/host_port_pair.cc',
       'base/host_port_pair.h',
       'base/io_buffer.cc',
       'base/io_buffer.h',
       'base/ip_address_number.cc',
       'base/ip_address_number.h',
+      'base/ip_address.cc',
+      'base/ip_address.h',
       'base/ip_endpoint.cc',
       'base/ip_endpoint.h',
       'base/load_timing_info.cc',
       'base/load_timing_info.h',
       'base/lookup_string_in_fixed_set.cc',
       'base/lookup_string_in_fixed_set.h',
       'base/net_error_list.h',
       'base/net_errors.cc',
       'base/net_errors.h',
       'base/net_errors_posix.cc',
@@ skipping 1236 matching lines @@
       'base/directory_lister_unittest.cc',
       'base/elements_upload_data_stream_unittest.cc',
       'base/escape_unittest.cc',
       'base/expiring_cache_unittest.cc',
       'base/file_stream_unittest.cc',
       'base/filename_util_unittest.cc',
       'base/host_mapping_rules_unittest.cc',
       'base/host_port_pair_unittest.cc',
       'base/int128_unittest.cc',
       'base/ip_address_number_unittest.cc',
+      'base/ip_address_unittest.cc',
       'base/ip_endpoint_unittest.cc',
       'base/ip_pattern_unittest.cc',
       'base/keygen_handler_unittest.cc',
       'base/layered_network_delegate_unittest.cc',
       'base/lookup_string_in_fixed_set_unittest.cc',
       'base/mime_sniffer_unittest.cc',
       'base/mime_util_unittest.cc',
       'base/net_util_icu_unittest.cc',
       'base/net_util_unittest.cc',
       'base/network_activity_monitor_unittest.cc',
@@ skipping 616 matching lines @@
       'docs/bug-triage.md',
       'docs/bug-triage-labels.md',
       'docs/bug-triage-suggested-workflow.md',
       'docs/code-patterns.md',
       'docs/life-of-a-url-request.md',
       'sdch/README.md',
     ],
     'net_docs_output_dir': '<(PRODUCT_DIR)/net/docs',
   }
 }