Adding Node.insertAllBefore

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 515811b5f5dc66bde3f75774cf9c8ee1f1e575e0..e78e148125c389e2de60598553cbb37f6eea63fb 100644
--- a/sdk/lib/html/dartium/html_dartium.dart
+++ b/sdk/lib/html/dartium/html_dartium.dart
@@ -6605,7 +6605,7 @@ class DataView extends ArrayBufferView {
 
   @DomName('DataView.getInt8')
   @DocsEditable
-  Object getInt8({int byteOffset}) native "DataView_getInt8_Callback";
+  int getInt8(int byteOffset) native "DataView_getInt8_Callback";
 
   int getUint16(int byteOffset, {bool littleEndian}) {
     if (?littleEndian) {
@@ -6639,7 +6639,7 @@ class DataView extends ArrayBufferView {
 
   @DomName('DataView.getUint8')
   @DocsEditable
-  Object getUint8({int byteOffset}) native "DataView_getUint8_Callback";
+  int getUint8(int byteOffset) native "DataView_getUint8_Callback";
 
   void setFloat32(int byteOffset, num value, {bool littleEndian}) {
     if (?littleEndian) {
@@ -18592,9 +18592,10 @@ class _ChildNodeListLazy implements List {
 
   void addAll(Iterable<Node> iterable) {
     if (iterable is _ChildNodeListLazy) {
-      if (iterable._this != _this) {
+      if (!identical(iterable._this, _this)) {
         // Optimized route for copying between nodes.
         for (var i = 0, len = iterable.length; i < len; ++i) {
+          // Should use $dom_firstChild, Bug 8886.
           _this.$dom_appendChild(iterable[0]);
         }
       }
@@ -18814,6 +18815,31 @@ class Node extends EventTarget {
     return this;
   }
 
+  /**
+   * Inserts all of the nodes into this node directly before refChild.
+   *
+   * See also:
+   *
+   * * [insertBefore]
+   */
+  Node insertAllBefore(Iterable<Node> newNodes, Node refChild) {
+    if (newNodes is _ChildNodeListLazy) {
+      if (identical(newNodes._this, this)) {
+        throw new ArgumentError(newNodes);
+      }
+
+      // Optimized route for copying between nodes.
+      for (var i = 0, len = newNodes.length; i < len; ++i) {
+        // Should use $dom_firstChild, Bug 8886.
+        this.insertBefore(newNodes[0], refChild);
+      }
+    } else {
+      for (var node in newNodes) {
+        this.insertBefore(node, refChild);
+      }
+    }
+  }
+
   Node.internal() : super.internal();
 
   @DomName('Node.childNodes')
@@ -34538,6 +34564,11 @@ class TestRunner {
 
 
 class _Utils {
+  static double dateTimeToDouble(DateTime dateTime) =>
+      dateTime.millisecondsSinceEpoch.toDouble();
+  static DateTime doubleToDateTime(double dateTime) =>
+      new DateTime.fromMillisecondsSinceEpoch(dateTime.toInt());
+
   static List convertToList(List list) {
     // FIXME: [possible optimization]: do not copy the array if Dart_IsArray is fine w/ it.
     final length = list.length;