Convert the re2 GYP targets to be generated by GN.

third_party/libaddressinput/libaddressinput.gyp

 # Copyright 2013 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': {
     # TODO(rouslan): Use the src/ directory. http://crbug.com/327046
     'libaddressinput_dir': 'chromium',
   },
   'target_defaults': {
     'conditions': [
@@ skipping 84 matching lines @@
         '<(libaddressinput_dir)/cpp/src/util/string_split.h',
         '<(libaddressinput_dir)/cpp/src/validating_util.cc',
         '<(libaddressinput_dir)/cpp/src/validating_util.h',
       ],
       'defines': [
         'VALIDATION_DATA_URL="https://i18napis.appspot.com/ssl-address/"',
       ],
       'dependencies': [
         'generated_messages',
         '<(DEPTH)/base/base.gyp:base',
-        '<(DEPTH)/third_party/re2/re2.gyp:re2',
+        '<(DEPTH)/out/gn_gyp/third_party/re2/re2.gyp:re2',
       ],
       'direct_dependent_settings': {
         'include_dirs': [
           '<(libaddressinput_dir)/cpp/include/',
         ],
       },
     },
     {
       'target_name': 'libaddressinput_unittests',
       'type': '<(gtest_target_type)',
@@ skipping 33 matching lines @@
       'dependencies': [
         'libaddressinput',
         '<(DEPTH)/base/base.gyp:base_prefs',
         '<(DEPTH)/base/base.gyp:run_all_unittests',
         '<(DEPTH)/net/net.gyp:net_test_support',
         '<(DEPTH)/testing/gtest.gyp:gtest',
       ],
     },
   ],
 }