Don't use QueryInterface to get a scrollable view from a view b=258521 r+sr=roc

git-svn-id: svn://10.0.0.236/trunk@165693 18797224-902f-48f8-a5cc-f745e15eee43
2004-11-24 00:19:21 +00:00
parent 54c25d147b
commit df2668e776
32 changed files with 84 additions and 112 deletions
--- a/mozilla/layout/forms/nsTextControlFrame.cpp
+++ b/mozilla/layout/forms/nsTextControlFrame.cpp
@@ -3190,8 +3190,8 @@ nsTextControlFrame::SetInitialChildList(nsPresContext* aPresContext,
    nsIView *view = first->GetView();
    if (view)
    {
-      nsIScrollableView *scrollView;
-      if (NS_SUCCEEDED(CallQueryInterface(view, &scrollView)))
+      nsIScrollableView *scrollView = view->ToScrollableView();
+      if (scrollView)
      {
        mScrollableView = scrollView; // Note: views are not addref'd
        mTextSelImpl->SetScrollableView(scrollView);