Added bowser test for Captive Portal Window.

chrome/browser/chromeos/login/captive_portal_window_proxy.h

Index: chrome/browser/chromeos/login/captive_portal_window_proxy.h
diff --git a/chrome/browser/chromeos/login/captive_portal_window_proxy.h b/chrome/browser/chromeos/login/captive_portal_window_proxy.h
index 3c183b156c9e4b16604fd1a911703a4a609aa8d5..f94263d1a4f11e00c633ddc19e2490433ca4dc28 100644
--- a/chrome/browser/chromeos/login/captive_portal_window_proxy.h
+++ b/chrome/browser/chromeos/login/captive_portal_window_proxy.h
@@ -58,9 +58,17 @@ class CaptivePortalWindowProxy : public views::WidgetObserver {
   void OnOriginalURLLoaded();
 
   // Overridden from views::WidgetObserver:
-  virtual void OnWidgetDestroying(views::Widget* widget) OVERRIDE;
+  virtual void OnWidgetClosing(views::Widget* widget) OVERRIDE;
 
  private:
+  friend class CaptivePortalWindowTest;
+
+  // Initializes |captive_portal_view_| if it is not initialized and
+  // starts load.

[Nikita (slow), 2013/05/27 16:55:35]

nit: starts loading CP redirect URL.

[ygorshenin1, 2013/05/28 10:04:14]

Done.

+  void InitCaptivePortalView();
+
+  bool IsShown() const;
+
   Delegate* delegate_;
   views::Widget* widget_;
   scoped_ptr<CaptivePortalView> captive_portal_view_;