Add regular expression support in json_schema component

components/json_schema/json_schema_validator_unittest_base.h

Index: components/json_schema/json_schema_validator_unittest_base.h
diff --git a/components/json_schema/json_schema_validator_unittest_base.h b/components/json_schema/json_schema_validator_unittest_base.h
index 7b4854e21e87a0c7bfdd928175c81e01b0924277..178fd3739fdfb57873201a0904d69f4e397a197b 100644
--- a/components/json_schema/json_schema_validator_unittest_base.h
+++ b/components/json_schema/json_schema_validator_unittest_base.h
@@ -29,6 +29,8 @@ class JSONSchemaValidatorTestBase : public testing::Test {
 
   void RunTests();
 
+  ValidatorType type() { return type_; }

[Joao da Silva, 2014/03/21 15:06:40]

What I meant is that "type_" isn't used anymore, so it can be removed as well as
the enum and the ctor arg.

I leave it to Benjamin to determine if it should be removed or not.

[not at google - send to devlin, 2014/03/21 15:27:20]

Why wouldn't it be removed?

+
  protected:
   virtual void ExpectValid(const std::string& test_source,
                            base::Value* instance,