[CSS Typed OM] Delete obsolete number and length classes from Typed OM

third_party/WebKit/LayoutTests/external/wpt/css-typed-om/styleMap-update-function.html

Index: third_party/WebKit/LayoutTests/external/wpt/css-typed-om/styleMap-update-function.html
diff --git a/third_party/WebKit/LayoutTests/external/wpt/css-typed-om/styleMap-update-function.html b/third_party/WebKit/LayoutTests/external/wpt/css-typed-om/styleMap-update-function.html
index 4ca5e0ee914919c128fa7b41fe11fb72c1f6d0b9..5af1b2c27702b4181c2817d49857f7ed5231c86f 100644
--- a/third_party/WebKit/LayoutTests/external/wpt/css-typed-om/styleMap-update-function.html
+++ b/third_party/WebKit/LayoutTests/external/wpt/css-typed-om/styleMap-update-function.html
@@ -9,7 +9,7 @@
   <div id="log"></div>
   <script>
     test(function() {
-      element.styleMap.set('width', new CSSSimpleLength(42, 'px'));
+      element.styleMap.set('width', new CSSUnitValue(42, 'px'));
       element.styleMap.update('width', length => new CSSSimpleLength(length.value + 20, length.type))
       assert_equals(element.styleMap.get('width').value, 62, 'update expected to apply callback to old value in map');
     });