Make base::Value::TYPE a scoped enum.

extensions/common/file_util_unittest.cc

Index: extensions/common/file_util_unittest.cc
diff --git a/extensions/common/file_util_unittest.cc b/extensions/common/file_util_unittest.cc
index 5ab3742270192ef0fb1c5bf7256cc29fa6fec8ae..c3b588cf33128dace8f74154dd9c5177b52e687f 100644
--- a/extensions/common/file_util_unittest.cc
+++ b/extensions/common/file_util_unittest.cc
@@ -52,7 +52,7 @@ scoped_refptr<Extension> LoadExtensionManifest(
   std::unique_ptr<base::Value> result = deserializer.Deserialize(NULL, error);
   if (!result.get())
     return NULL;
-  CHECK_EQ(base::Value::TYPE_DICTIONARY, result->GetType());
+  CHECK_EQ(base::Value::Type::DICTIONARY, result->GetType());
   return LoadExtensionManifest(*base::DictionaryValue::From(std::move(result)),
                                manifest_dir, location, extra_flags, error);
 }