dbus-binding-generator: Update libchrome APIs to r405848

The new libchrome has been ported from Chromium and some APIs have
changed. Make necessary changes at call sites.

Change-Id: I6854b5288b2b291abf19eaf5843cbe8a103d950c
diff --git a/chromeos-dbus-bindings/generate_chromeos_dbus_bindings.cc b/chromeos-dbus-bindings/generate_chromeos_dbus_bindings.cc
index b22c141..c82326d 100644
--- a/chromeos-dbus-bindings/generate_chromeos_dbus_bindings.cc
+++ b/chromeos-dbus-bindings/generate_chromeos_dbus_bindings.cc
@@ -107,7 +107,7 @@
   base::ListValue* list = nullptr;  // Owned by |dict|.
   if (dict->GetListWithoutPathExpansion("ignore_interfaces", &list)) {
     config->ignore_interfaces.reserve(list->GetSize());
-    for (base::Value* item : *list) {
+    for (const auto& item : *list) {
       std::string interface_name;
       if (!item->GetAsString(&interface_name)) {
         LOG(ERROR) << "Invalid interface name in [ignore_interfaces] section";