[cros,de-hack] Get rid of singleton for the WebUILoginScreen.

chrome/browser/chromeos/login/webui_login_view.h

Index: chrome/browser/chromeos/login/webui_login_view.h
diff --git a/chrome/browser/chromeos/login/webui_login_view.h b/chrome/browser/chromeos/login/webui_login_view.h
index 1836328400778411c0158739cb362db5506c7b1d..3dd3fa1a48ffa3ed31a7a58f5b7ad7accee2fcea 100644
--- a/chrome/browser/chromeos/login/webui_login_view.h
+++ b/chrome/browser/chromeos/login/webui_login_view.h
@@ -43,7 +43,7 @@ class WebUILoginView : public views::WidgetDelegateView,
   virtual ~WebUILoginView();
 
   // Initializes the webui login view.
-  virtual void Init();
+  virtual void Init(views::Widget* login_window);
 
   // Overridden from views::Views:
   virtual bool AcceleratorPressed(
@@ -99,9 +99,6 @@ class WebUILoginView : public views::WidgetDelegateView,
   // Creates and adds the status area (separate window).
   virtual void InitStatusArea();
 
-  // Get the views widget hosting this WebUILoginView.
-  virtual views::Widget* GetLoginWindow();
-
   StatusAreaView* status_area_;
 
   // DOMView for rendering a webpage as a webui login.
@@ -122,6 +119,9 @@ class WebUILoginView : public views::WidgetDelegateView,
   // |reverse| is true when focus is traversed backwards (using Shift-Tab).
   void ReturnFocus(bool reverse);
 
+  // Login window which shows the view.
+  views::Widget* login_window_;
+
   // Window that contains status area.
   // TODO(nkostylev): Temporary solution till we have
   // RenderWidgetHostViewViews working.