Add List.shuffle().

sdk/lib/html/dartium/html_dartium.dart

Index: sdk/lib/html/dartium/html_dartium.dart
diff --git a/sdk/lib/html/dartium/html_dartium.dart b/sdk/lib/html/dartium/html_dartium.dart
index 106ac6ced036fa3c58623bc83249c3882f4702d1..2b9cf0a2c6406c8899c828bbdcda7d821de2e73f 100644
--- a/sdk/lib/html/dartium/html_dartium.dart
+++ b/sdk/lib/html/dartium/html_dartium.dart
@@ -8639,6 +8639,10 @@ class _ChildrenElementList extends ListBase<Element> {
     throw new UnsupportedError('Cannot sort element lists');
   }
 
+  void shuffle() {
+    throw new UnsupportedError('Cannot shuffle element lists');
+  }
+
   void removeWhere(bool test(Element element)) {
     _filter(test, false);
   }
@@ -9084,6 +9088,10 @@ class _FrozenElementList<T extends Element> extends ListBase<T> implements Eleme
     throw new UnsupportedError('Cannot sort list');
   }
 
+  void shuffle() {
+    throw new UnsupportedError('Cannot shuffle list');
+  }
+
   Element get first => _nodeList.first;
 
   Element get last => _nodeList.last;
@@ -18977,6 +18985,10 @@ class _ChildNodeListLazy extends ListBase<Node> {
     throw new UnsupportedError("Cannot sort Node list");
   }
 
+  void shuffle() {
+    throw new UnsupportedError("Cannot shuffle Node list");
+  }
+
   // FIXME: implement these.
   void setRange(int start, int end, Iterable<Node> iterable,
                 [int skipCount = 0]) {
@@ -26114,13 +26126,13 @@ class Url extends NativeFieldWrapperClass1 {
     if ((blob_OR_source_OR_stream is Blob || blob_OR_source_OR_stream == null)) {
       return _createObjectURL_1(blob_OR_source_OR_stream);
     }
-    if ((blob_OR_source_OR_stream is MediaSource || blob_OR_source_OR_stream == null)) {
+    if ((blob_OR_source_OR_stream is MediaStream || blob_OR_source_OR_stream == null)) {
       return _createObjectURL_2(blob_OR_source_OR_stream);
     }
-    if ((blob_OR_source_OR_stream is _WebKitMediaSource || blob_OR_source_OR_stream == null)) {
+    if ((blob_OR_source_OR_stream is MediaSource || blob_OR_source_OR_stream == null)) {
       return _createObjectURL_3(blob_OR_source_OR_stream);
     }
-    if ((blob_OR_source_OR_stream is MediaStream || blob_OR_source_OR_stream == null)) {
+    if ((blob_OR_source_OR_stream is _WebKitMediaSource || blob_OR_source_OR_stream == null)) {
       return _createObjectURL_4(blob_OR_source_OR_stream);
     }
     throw new ArgumentError("Incorrect number or type of arguments");
@@ -31391,6 +31403,10 @@ abstract class ImmutableListMixin<E> implements List<E> {
     throw new UnsupportedError("Cannot sort immutable List.");
   }
 
+  void shuffle() {
+    throw new UnsupportedError("Cannot shuffle immutable List.");
+  }
+
   void insert(int index, E element) {
     throw new UnsupportedError("Cannot add to immutable List.");
   }