cros: Move call js prefix out of ctor.

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

 // Copyright (c) 2012 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.
 
 #ifndef CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_ENABLE_DEBUGGING_SCREEN_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_ENABLE_DEBUGGING_SCREEN_HANDLER_H_
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
@@ skipping 58 matching lines @@
 
   // Callback for DebugDaemonClient::QueryDebuggingFeatures().
   void OnQueryDebuggingFeatures(bool success, int features_flag);
 
   // Callback for DebugDaemonClient::RemoveRootfsVerification().
   void OnRemoveRootfsVerification(bool success);
 
   // Updates UI state.
   void UpdateUIState(UIState state);
 
-  Delegate* delegate_;
+  Delegate* delegate_ = nullptr;
 
   // Keeps whether screen should be shown right after initialization.
-  bool show_on_init_;
+  bool show_on_init_ = false;
 
   base::WeakPtrFactory<EnableDebuggingScreenHandler> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(EnableDebuggingScreenHandler);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_ENABLE_DEBUGGING_SCREEN_HANDLER_H_