cros: Move call js prefix out of ctor.

chrome/browser/ui/webui/chromeos/login/core_oobe_handler.cc

Index: chrome/browser/ui/webui/chromeos/login/core_oobe_handler.cc
diff --git a/chrome/browser/ui/webui/chromeos/login/core_oobe_handler.cc b/chrome/browser/ui/webui/chromeos/login/core_oobe_handler.cc
index 6f5f7d2152039757a72b6bfaaeb2606d03a1ea96..0d6cac5715fbffa43fa2b56f62158b4182e23940 100644
--- a/chrome/browser/ui/webui/chromeos/login/core_oobe_handler.cc
+++ b/chrome/browser/ui/webui/chromeos/login/core_oobe_handler.cc
@@ -56,9 +56,8 @@ namespace chromeos {
 // Note that show_oobe_ui_ defaults to false because WizardController assumes
 // OOBE UI is not visible by default.
 CoreOobeHandler::CoreOobeHandler(OobeUI* oobe_ui)
-    : BaseScreenHandler(kJsScreenPath),
-      oobe_ui_(oobe_ui),
-      version_info_updater_(this) {
+    : oobe_ui_(oobe_ui), version_info_updater_(this) {
+  set_call_js_prefix(kJsScreenPath);
   if (!chrome::IsRunningInMash()) {
     AccessibilityManager* accessibility_manager = AccessibilityManager::Get();
     CHECK(accessibility_manager);