rac] Add re2 dependency to libaddressinput.

third_party/libaddressinput/chromium/cpp/re2.gyp

Index: third_party/libaddressinput/chromium/cpp/re2.gyp
diff --git a/third_party/libaddressinput/chromium/cpp/rapidjson.gyp b/third_party/libaddressinput/chromium/cpp/re2.gyp
similarity index 71%
copy from third_party/libaddressinput/chromium/cpp/rapidjson.gyp
copy to third_party/libaddressinput/chromium/cpp/re2.gyp
index 65c6608e1e24112dd0d4be93dd29a5fbcf2bf337..961178cb7191531146721cd4d09a677da028e26a 100644
--- a/third_party/libaddressinput/chromium/cpp/rapidjson.gyp
+++ b/third_party/libaddressinput/chromium/cpp/re2.gyp
@@ -13,15 +13,23 @@
 # limitations under the License.
 {
   'variables': {
-    'rapidjson_dir%': '<(DEPTH)/../externals/rapidjson/include',
+    're2_dir%': '/usr/include',
+    're2_lib%': '/usr/lib/libre2.a',
   },
   'targets': [
     {
-      'target_name': 'rapidjson',
+      'target_name': 're2',
       'type': 'none',
       'all_dependent_settings': {
         'include_dirs': [
-          '<(rapidjson_dir)',
+          '<(re2_dir)',
+        ],
+        'conditions': [
+          ['"<(component)" != "shared_library"', {
+            'libraries': [
+              '<(re2_lib)',
+            ],
+          }],
         ],
       },
     },