Force inlining for _ElementCssClassSet.add() / .remove()

sdk/lib/html/dart2js/html_dart2js.dart

Index: sdk/lib/html/dart2js/html_dart2js.dart
diff --git a/sdk/lib/html/dart2js/html_dart2js.dart b/sdk/lib/html/dart2js/html_dart2js.dart
index ad4adaf5853e2a7d791afdfe18952fbbaae0f234..5480b2df0777a603f96f380643d3e218d039f21b 100644
--- a/sdk/lib/html/dart2js/html_dart2js.dart
+++ b/sdk/lib/html/dart2js/html_dart2js.dart
@@ -39644,6 +39644,7 @@ class _ElementCssClassSet extends CssClassSetImpl {
     return value is String && _classListContains(_classListOf(_element), value);
   }
 
+  @ForceInline()
   static bool _add(Element _element, String value) {
     DomTokenList list = _classListOf(_element);
     // Compute returned result independently of action upon the set.
@@ -39652,6 +39653,7 @@ class _ElementCssClassSet extends CssClassSetImpl {
     return added;
   }
 
+  @ForceInline()
   static bool _remove(Element _element, String value) {
     DomTokenList list = _classListOf(_element);
     bool removed = _classListContainsBeforeAddOrRemove(list, value);