Splitting SVG types out of dart:html.

sdk/lib/html/templates/html/impl/impl_DocumentFragment.darttemplate

Index: sdk/lib/html/templates/html/impl/impl_DocumentFragment.darttemplate
diff --git a/sdk/lib/html/templates/html/impl/impl_DocumentFragment.darttemplate b/sdk/lib/html/templates/html/impl/impl_DocumentFragment.darttemplate
index f408f8b6d862c1db2add2e3e161a6eb7eda5084a..95fa720f30b1a238c334597d8518c82768da16b2 100644
--- a/sdk/lib/html/templates/html/impl/impl_DocumentFragment.darttemplate
+++ b/sdk/lib/html/templates/html/impl/impl_DocumentFragment.darttemplate
@@ -4,118 +4,17 @@
 
 part of html;
 
-class _FilteredElementList implements List {
-  final Node _node;
-  final List<Node> _childNodes;
-
-  _FilteredElementList(Node node): _childNodes = node.nodes, _node = node;
-
-  // We can't memoize this, since it's possible that children will be messed
-  // with externally to this class.
-  //
-  // TODO(nweiz): Do we really need to copy the list to make the types work out?
-  List<Element> get _filtered =>
-    new List.from(_childNodes.filter((n) => n is Element));
-
-  void forEach(void f(Element element)) {
-    _filtered.forEach(f);
-  }
-
-  void operator []=(int index, Element value) {
-    this[index].replaceWith(value);
-  }
-
-  void set length(int newLength) {
-    final len = this.length;
-    if (newLength >= len) {
-      return;
-    } else if (newLength < 0) {
-      throw new ArgumentError("Invalid list length");
-    }
-
-    removeRange(newLength - 1, len - newLength);
-  }
-
-  void add(Element value) {
-    _childNodes.add(value);
-  }
-
-  void addAll(Collection<Element> collection) {
-    collection.forEach(add);
-  }
-
-  void addLast(Element value) {
-    add(value);
-  }
-
-  bool contains(Element element) {
-    return element is Element && _childNodes.contains(element);
-  }
-
-  void sort([Comparator<Element> compare = Comparable.compare]) {
-    throw new UnsupportedError('TODO(jacobr): should we impl?');
-  }
-
-  void setRange(int start, int rangeLength, List from, [int startFrom = 0]) {
-    throw new UnimplementedError();
-  }
-
-  void removeRange(int start, int rangeLength) {
-    _filtered.getRange(start, rangeLength).forEach((el) => el.remove());
-  }
-
-  void insertRange(int start, int rangeLength, [initialValue = null]) {
-    throw new UnimplementedError();
-  }
-
-  void clear() {
-    // Currently, ElementList#clear clears even non-element nodes, so we follow
-    // that behavior.
-    _childNodes.clear();
-  }
-
-  Element removeLast() {
-    final result = this.last;
-    if (result != null) {
-      result.remove();
-    }
-    return result;
-  }
-
-  Collection map(f(Element element)) => _filtered.map(f);
-  Collection<Element> filter(bool f(Element element)) => _filtered.filter(f);
-  bool every(bool f(Element element)) => _filtered.every(f);
-  bool some(bool f(Element element)) => _filtered.some(f);
-  bool get isEmpty => _filtered.isEmpty;
-  int get length => _filtered.length;
-  Element operator [](int index) => _filtered[index];
-  Iterator<Element> iterator() => _filtered.iterator();
-  List<Element> getRange(int start, int rangeLength) =>
-    _filtered.getRange(start, rangeLength);
-  int indexOf(Element element, [int start = 0]) =>
-    _filtered.indexOf(element, start);
-
-  int lastIndexOf(Element element, [int start = null]) {
-    if (start == null) start = length - 1;
-    return _filtered.lastIndexOf(element, start);
-  }
-
-  Element get last => _filtered.last;
-}
-
 Future<CSSStyleDeclaration> _emptyStyleFuture() {
   return _createMeasurementFuture(() => new Element.tag('div').style,
                                   new Completer<CSSStyleDeclaration>());
 }
 
-class _FrozenCssClassSet extends _CssClassSet {
-  _FrozenCssClassSet() : super(null);
-
-  void _write(Set s) {
+class _FrozenCssClassSet extends CssClassSet {
+  void writeClasses(Set s) {
     throw new UnsupportedError(
         'frozen class set cannot be modified');
   }
-  Set<String> _read() => new Set<String>();
+  Set<String> readClasses() => new Set<String>();
 
   bool get frozen => true;
 }
@@ -126,14 +25,14 @@ class $CLASSNAME$EXTENDS$IMPLEMENTS$NATIVESPEC {
   factory $CLASSNAME.html(String html) =>
       _$(CLASSNAME)FactoryProvider.createDocumentFragment_html(html);
 
-  factory $CLASSNAME.svg(String svg) =>
-      new _$(CLASSNAME)FactoryProvider.createDocumentFragment_svg(svg);
+  factory $CLASSNAME.svg(String svgContent) =>
+      new _$(CLASSNAME)FactoryProvider.createDocumentFragment_svg(svgContent);
 
   List<Element> _elements;
 
   List<Element> get elements {
     if (_elements == null) {
-      _elements = new _FilteredElementList(this);
+      _elements = new FilteredElementList(this);
     }
     return _elements;
   }