Undo of delete/forward-delete of text should not select the deleted text on non-mac platforms

LayoutTests/editing/undo/undo-delete-boundary-expected.txt

Index: LayoutTests/editing/undo/undo-delete-boundary-expected.txt
diff --git a/LayoutTests/editing/undo/undo-delete-boundary-expected.txt b/LayoutTests/editing/undo/undo-delete-boundary-expected.txt
index 12dd928ddc4cd6aa8327984a4715274a47de5dda..7650073ff6500680ff8b7b745a0204023233bed9 100644
--- a/LayoutTests/editing/undo/undo-delete-boundary-expected.txt
+++ b/LayoutTests/editing/undo/undo-delete-boundary-expected.txt
@@ -4,28 +4,28 @@ PASS selection.anchorOffset is 2
 PASS selection.focusNode.data is "This wo"
 PASS selection.focusOffset is 5
 PASS selection.toString() is "word"
-PASS $("test").innerHTML is "This wo<b>rd </b>should be selected."
+PASS $("test").innerHTML is "This wo<b>rd </b>should be selected only on mac."
 win
 PASS selection.anchorNode.data is "rd "
 PASS selection.anchorOffset is 2
-PASS selection.focusNode.data is "This wo"
-PASS selection.focusOffset is 5
-PASS selection.toString() is "word"
-PASS $("test").innerHTML is "This wo<b>rd </b>should be selected."
+PASS selection.focusNode.data is "rd "
+PASS selection.focusOffset is 2
+PASS selection.toString() is ""
+PASS $("test").innerHTML is "This wo<b>rd </b>should be selected only on mac."
 unix
 PASS selection.anchorNode.data is "rd "
 PASS selection.anchorOffset is 2
-PASS selection.focusNode.data is "This wo"
-PASS selection.focusOffset is 5
-PASS selection.toString() is "word"
-PASS $("test").innerHTML is "This wo<b>rd </b>should be selected."
+PASS selection.focusNode.data is "rd "
+PASS selection.focusOffset is 2
+PASS selection.toString() is ""
+PASS $("test").innerHTML is "This wo<b>rd </b>should be selected only on mac."
 android
 PASS selection.anchorNode.data is "rd "
 PASS selection.anchorOffset is 2
-PASS selection.focusNode.data is "This wo"
-PASS selection.focusOffset is 5
-PASS selection.toString() is "word"
-PASS $("test").innerHTML is "This wo<b>rd </b>should be selected."
+PASS selection.focusNode.data is "rd "
+PASS selection.focusOffset is 2
+PASS selection.toString() is ""
+PASS $("test").innerHTML is "This wo<b>rd </b>should be selected only on mac."
 PASS successfullyParsed is true
 
 TEST COMPLETE