Change FlushPendingNotifications to have more granularity and update callers to

only flush the things they really need flushed.  Bug 144072, r+sr=jst


git-svn-id: svn://10.0.0.236/trunk@157037 18797224-902f-48f8-a5cc-f745e15eee43

mozilla/layout/forms/nsListControlFrame.cpp

@@ -3480,7 +3480,9 @@ nsListControlFrame::KeyPress(nsIDOMEvent* aKeyEvent)
     // Why aren't they getting flushed each time?
     // because this isn't needed for Gfx
     if (IsInDropDownMode() == PR_TRUE) {
-      mPresContext->PresShell()->FlushPendingNotifications(PR_FALSE);
+      // Don't flush anything but reflows lest it destroy us
+      mPresContext->PresShell()->
+        GetDocument()->FlushPendingNotifications(Flush_OnlyReflow);
     }
     REFLOW_DEBUG_MSG2("  After: %d\n", newIndex);