Backed out 3 changesets (bug 1677263, bug 1679460, bug 1679461) for test_focus.xhtml failures CLOSED TREE

Backed out changeset 03db12dabc63 (bug 1677263)
Backed out changeset 75de13448090 (bug 1679460)
Backed out changeset 4f4fd8e7ce93 (bug 1679461)

dom/html/TextControlState.cpp

@@ -2212,6 +2212,11 @@ void TextControlState::SetSelectionDirection(const nsAString& aDirection,
   nsITextControlFrame::SelectionDirection dir =
       DirectionStringToSelectionDirection(aDirection);
 
+  if (IsSelectionCached()) {
+    GetSelectionProperties().SetDirection(dir);
+    return;
+  }
+
   uint32_t start, end;
   GetSelectionRange(&start, &end, aRv);
   if (aRv.Failed()) {