Add kiosk browser tests for network configuration.

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

 // Copyright (c) 2011 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_OOBE_UI_H_
 #define CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_OOBE_UI_H_
 
 #include <map>
 #include <string>
 #include <vector>
 
 #include "base/compiler_specific.h"
 #include "base/memory/ref_counted.h"
+#include "base/observer_list.h"
 #include "chrome/browser/chromeos/login/oobe_display.h"
 #include "chrome/browser/ui/webui/chromeos/login/core_oobe_handler.h"
 #include "content/public/browser/web_ui_controller.h"
 
 namespace base {
 class DictionaryValue;
 }  // namespace base
 
 namespace chromeos {
 class AppLaunchSplashScreenActor;
@@ skipping 10 matching lines @@
 class UpdateScreenHandler;
 
 // A custom WebUI that defines datasource for out-of-box-experience (OOBE) UI:
 // - welcome screen (setup language/keyboard/network).
 // - eula screen (CrOS (+ OEM) EULA content/TPM password/crash reporting).
 // - update screen.
 class OobeUI : public OobeDisplay,
                public content::WebUIController,
                public CoreOobeHandler::Delegate {
  public:
+  class Observer {
+   public:
+    virtual ~Observer() {}
+    virtual void OnCurrentScreenChanged(
+        Screen current_screen, Screen new_screen) = 0;
+  };
+
   // JS oobe/login screens names.
   static const char kScreenOobeNetwork[];
   static const char kScreenOobeEula[];
   static const char kScreenOobeUpdate[];
   static const char kScreenOobeEnrollment[];
   static const char kScreenGaiaSignin[];
   static const char kScreenAccountPicker[];
   static const char kScreenKioskAutolaunch[];
   static const char kScreenKioskEnable[];
   static const char kScreenErrorMessage[];
@@ skipping 47 matching lines @@
   // Shows the signin screen.
   void ShowSigninScreen(SigninScreenHandlerDelegate* delegate,
                         NativeWindowDelegate* native_window_delegate);
 
   // Shows the kiosk splash screen.
   void ShowAppLaunchSplashScreen();
 
   // Resets the delegate set in ShowSigninScreen.
   void ResetSigninScreenHandlerDelegate();
 
+  // Add and remove observers for screen change events.
+  void AddObserver(Observer* observer);
+  void RemoveObserver(Observer* observer);
+
   Screen current_screen() const { return current_screen_; }
 
   const std::string& GetScreenName(Screen screen) const;
 
  private:
   // Initializes |screen_ids_| and |screen_names_| structures.
   void InitializeScreenMaps();
 
   void AddScreenHandler(BaseScreenHandler* handler);
 
@@ skipping 51 matching lines @@
   // Maps screen ids to JS screen names.
   std::vector<std::string> screen_names_;
 
   // Flag that indicates whether JS part is fully loaded and ready to accept
   // calls.
   bool ready_;
 
   // Callbacks to notify when JS part is fully loaded and ready to accept calls.
   std::vector<base::Closure> ready_callbacks_;
 
+  // List of registered observers.
+  ObserverList<Observer> observer_list_;
+
   DISALLOW_COPY_AND_ASSIGN(OobeUI);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_OOBE_UI_H_