Make policy errors available to display in about:policy.

chrome/browser/policy/config_dir_policy_provider_unittest.cc

Index: chrome/browser/policy/config_dir_policy_provider_unittest.cc
diff --git a/chrome/browser/policy/config_dir_policy_provider_unittest.cc b/chrome/browser/policy/config_dir_policy_provider_unittest.cc
index 4663991d21902e5e43469c2e45db4b8ab161c413..c53496fb506a6cda84c8e67710b5700d9b313551 100644
--- a/chrome/browser/policy/config_dir_policy_provider_unittest.cc
+++ b/chrome/browser/policy/config_dir_policy_provider_unittest.cc
@@ -192,16 +192,6 @@ TEST_P(ConfigDirPolicyProviderValueTest, Default) {
   EXPECT_TRUE(policy_map.empty());
 }
 
-TEST_P(ConfigDirPolicyProviderValueTest, NullValue) {
-  DictionaryValue dict;
-  dict.Set(GetParam().policy_key(), Value::CreateNullValue());
-  WriteConfigFile(dict, "empty");
-  ConfigDirPolicyProvider provider(GetChromePolicyDefinitionList(), test_dir());
-  PolicyMap policy_map;
-  EXPECT_TRUE(provider.Provide(&policy_map));
-  EXPECT_TRUE(policy_map.empty());
-}
-
 TEST_P(ConfigDirPolicyProviderValueTest, TestValue) {
   DictionaryValue dict;
   dict.Set(GetParam().policy_key(), GetParam().test_value()->DeepCopy());