Allow trailing comma in JSON policy files.

chrome/browser/policy/config_dir_policy_provider.cc

Index: chrome/browser/policy/config_dir_policy_provider.cc
diff --git a/chrome/browser/policy/config_dir_policy_provider.cc b/chrome/browser/policy/config_dir_policy_provider.cc
index 86dde7f19192312d637c29bfdb46d4b25441bdee..c36485cc6136ba475858657c4ec27b0c93386862 100644
--- a/chrome/browser/policy/config_dir_policy_provider.cc
+++ b/chrome/browser/policy/config_dir_policy_provider.cc
@@ -34,6 +34,7 @@ DictionaryValue* ConfigDirPolicyProviderDelegate::Load() {
   for (std::set<FilePath>::iterator config_file_iter = files.begin();
        config_file_iter != files.end(); ++config_file_iter) {
     JSONFileValueSerializer deserializer(*config_file_iter);
+    deserializer.set_allow_trailing_comma(true);
     int error_code = 0;
     std::string error_msg;
     scoped_ptr<Value> value(deserializer.Deserialize(&error_code, &error_msg));