cros: Move call js prefix out of ctor.

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

 // Copyright (c) 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/webui/chromeos/login/enable_debugging_screen_handler.h"
 
 #include <string>
 
 #include "base/command_line.h"
 #include "base/values.h"
@@ skipping 17 matching lines @@
 
 namespace {
 
 const char kJsScreenPath[] = "login.EnableDebuggingScreen";
 
 }  // namespace
 
 namespace chromeos {
 
 EnableDebuggingScreenHandler::EnableDebuggingScreenHandler()
-    : BaseScreenHandler(kJsScreenPath),
-      delegate_(NULL),
-      show_on_init_(false),
-      weak_ptr_factory_(this) {
+    : weak_ptr_factory_(this) {
+  set_call_js_prefix(kJsScreenPath);
 }
 
 EnableDebuggingScreenHandler::~EnableDebuggingScreenHandler() {
   if (delegate_)
     delegate_->OnActorDestroyed(this);
 }
 
 void EnableDebuggingScreenHandler::ShowWithParams() {
   ShowScreen(OobeScreen::SCREEN_OOBE_ENABLE_DEBUGGING);
 
@@ skipping 232 matching lines @@
   LoginWebDialog* dialog = new LoginWebDialog(
       Profile::FromWebUI(web_ui()),
       NULL,
       GetNativeWindow(),
       base::string16(),
       data_url);
   dialog->Show();
 }
 
 }  // namespace chromeos