The start and end arguments should be unsigned long in setSelectionRange() function

LayoutTests/fast/forms/input-appearance-selection.html

Index: LayoutTests/fast/forms/input-appearance-selection.html
diff --git a/LayoutTests/fast/forms/input-appearance-selection.html b/LayoutTests/fast/forms/input-appearance-selection.html
index 431bccd526e9cd7707b02424160861b8c5b88a71..ead7bd27c052224ca153adafabac705305f0eb75 100644
--- a/LayoutTests/fast/forms/input-appearance-selection.html
+++ b/LayoutTests/fast/forms/input-appearance-selection.html
@@ -11,8 +11,8 @@ function test () {
     testSelectionRange(4, 10, 3, 3, 3, testField, results);
     testSelectionEnd(5, 2, 2, 2, testField, results);
     testSelectionRange(6, 5, 4, 4, 4, testField, results);
-    testSelectionRange(7, -5, -4, 0, 0, testField, results);
-    testSelectionRange(8, -5, 80, 0, 20, testField, results);
+    testSelectionRange(7, -5, -4, 20, 20, testField, results);
+    testSelectionRange(8, -5, 80, 20, 20, testField, results);
     testSelectionRange(9, 3, 12, 3, 12, testField, results);
 
 }