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

chrome/installer/util/master_preferences.cc

Index: chrome/installer/util/master_preferences.cc
diff --git a/chrome/installer/util/master_preferences.cc b/chrome/installer/util/master_preferences.cc
index 5fa9eeba2a7aa630c78eb9bc628e428b49bbaef3..8ec3e04ece6f82072f1e24ce04a682f5d69b0a7b 100644
--- a/chrome/installer/util/master_preferences.cc
+++ b/chrome/installer/util/master_preferences.cc
@@ -63,7 +63,7 @@ base::DictionaryValue* ParseDistributionPreferences(
     LOG(WARNING) << "Failed to parse master prefs file: " << error;
     return NULL;
   }
-  if (!root->IsType(base::Value::TYPE_DICTIONARY)) {
+  if (!root->IsType(base::Value::Type::DICTIONARY)) {
     LOG(WARNING) << "Failed to parse master prefs file: "
                  << "Root item must be a dictionary.";
     return NULL;