Cleaning up the TableElement API

tools/dom/templates/html/impl/impl_HTMLTableRowElement.darttemplate

Index: tools/dom/templates/html/impl/impl_HTMLTableRowElement.darttemplate
diff --git a/tools/dom/templates/html/dart2js/impl_SpeechRecognition.darttemplate b/tools/dom/templates/html/impl/impl_HTMLTableRowElement.darttemplate
similarity index 51%
copy from tools/dom/templates/html/dart2js/impl_SpeechRecognition.darttemplate
copy to tools/dom/templates/html/impl/impl_HTMLTableRowElement.darttemplate
index 139f6c5bde6af34c6e477340e6c6ee52331a1477..af5ef1702d0013bba98a990d4d23c76bbf4ef122 100644
--- a/tools/dom/templates/html/dart2js/impl_SpeechRecognition.darttemplate
+++ b/tools/dom/templates/html/impl/impl_HTMLTableRowElement.darttemplate
@@ -4,10 +4,17 @@
 
 part of $LIBRARYNAME;
 
+@DocsEditable
 $(ANNOTATIONS)class $CLASSNAME$EXTENDS$IMPLEMENTS$NATIVESPEC {
-$!MEMBERS
-  factory SpeechRecognition() {
-    return JS('SpeechRecognition',
-        'new (window.SpeechRecognition || window.webkitSpeechRecognition)()');
+
+  @DomName('HTMLTableRowElement.cells')
+  List<TableCellElement> get cells =>
+      new _WrappedList<TableCellElement>($dom_cells);
+
+  TableCellElement addCell() {
+    return insertCell(-1);
   }
-}
+
+  TableCellElement insertCell(int index) => $dom_insertCell(index);
+
+$!MEMBERS}