rac] Add re2 dependency to libaddressinput.

third_party/libaddressinput/chromium/cpp/re2.gyp

+# Copyright (C) 2013 Google Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+{
+  'variables': {
+    're2_dir%': '/usr/include',
+    're2_lib%': '/usr/lib/libre2.a',
+  },
+  'targets': [
+    {
+      'target_name': 're2',
+      'type': 'none',
+      'all_dependent_settings': {
+        'include_dirs': [
+          '<(re2_dir)',
+        ],
+        'conditions': [
+          ['"<(component)" != "shared_library"', {
+            'libraries': [
+              '<(re2_lib)',
+            ],
+          }],
+        ],
+      },
+    },
+  ],
+}