Add kiosk browser tests for network configuration.

chrome/browser/chromeos/login/login_display_host.h

Index: chrome/browser/chromeos/login/login_display_host.h
diff --git a/chrome/browser/chromeos/login/login_display_host.h b/chrome/browser/chromeos/login/login_display_host.h
index cb9d6f469b64b3433028770b84e8f4f0ea1807a3..ccd1f36f618ed843d0885bae2592535c54ad4f7c 100644
--- a/chrome/browser/chromeos/login/login_display_host.h
+++ b/chrome/browser/chromeos/login/login_display_host.h
@@ -20,6 +20,7 @@ class Widget;
 
 namespace chromeos {
 
+class AppLaunchController;
 class WebUILoginView;
 class WizardController;
 
@@ -82,6 +83,10 @@ class LoginDisplayHost {
   // Result should not be stored.
   virtual WizardController* GetWizardController() = 0;
 
+  // Returns current AppLaunchController, if it exists.
+  // Result should not be stored.
+  virtual AppLaunchController* GetAppLaunchController() = 0;
+
   // Starts screen for adding user into session.
   // |completion_callback| called before display host shutdown.
   // |completion_callback| can be null.