Fix even more crashes. To help identify remaining crashes now and in the future, I have made the ...

chrome/browser/chromeos/login/user_controller.cc

Index: chrome/browser/chromeos/login/user_controller.cc
===================================================================
--- chrome/browser/chromeos/login/user_controller.cc	(revision 89357)
+++ chrome/browser/chromeos/login/user_controller.cc	(working copy)
@@ -74,6 +74,13 @@
     controller_->OnWidgetActivated(active);
   }
 
+  virtual views::Widget* GetWidget() OVERRIDE {
+    return view_->GetWidget();
+  }
+  virtual const views::Widget* GetWidget() const OVERRIDE {
+    return view_->GetWidget();
+  }
+
  private:
   UserController* controller_;
 
@@ -261,6 +268,14 @@
   }
 }
 
+views::Widget* UserController::GetWidget() {
+  return NULL;
+}
+
+const views::Widget* UserController::GetWidget() const {
+  return NULL;
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 // UserController, NewUserView::Delegate implementation:
 //