[html5lib] api updates: localName

pkg/polymer/lib/src/build/linter.dart

Index: pkg/polymer/lib/src/build/linter.dart
diff --git a/pkg/polymer/lib/src/build/linter.dart b/pkg/polymer/lib/src/build/linter.dart
index ea7ac6f95022027cad96434774fdff845d941de0..3a79758d7bf9c9b97a71fa357c7b1c61be77672a 100644
--- a/pkg/polymer/lib/src/build/linter.dart
+++ b/pkg/polymer/lib/src/build/linter.dart
@@ -161,7 +161,7 @@ class _LinterVisitor extends TreeVisitor {
   }
 
   void visitElement(Element node) {
-    switch (node.tagName) {
+    switch (node.localName) {
       case 'link': _validateLinkElement(node); break;
       case 'element': _validateElementElement(node); break;
       case 'polymer-element': _validatePolymerElement(node); break;
@@ -327,7 +327,7 @@ class _LinterVisitor extends TreeVisitor {
     });
 
     // Validate uses of custom-tags
-    var nodeTag = node.tagName;
+    var nodeTag = node.localName;
     var hasIsAttribute;
     var customTagName;
     if (_isCustomTag(nodeTag)) {