Add Iterable.fold (and Stream.fold) which replace `reduce`.

sdk/lib/svg/dart2js/svg_dart2js.dart

 library dart.dom.svg;
 
 import 'dart:async';
 import 'dart:collection';
 import 'dart:html';
 import 'dart:html_common';
 import 'dart:_js_helper' show Creates, Returns, JavaScriptIndexingBehavior, JSName;
 import 'dart:_foreign_helper' show JS;
 // DO NOT EDIT - unless you are editing documentation as per:
 // https://code.google.com/p/dart/wiki/ContributingHTMLDocumentation
@@ skipping 3055 matching lines @@
     // for consistency.
     return new FixedSizeListIterator<Length>(this);
   }
 
   // SVG Collections expose numberOfItems rather than length.
   int get length => numberOfItems;
   dynamic reduce(dynamic initialValue, dynamic combine(dynamic, Length)) {
     return IterableMixinWorkaround.reduce(this, initialValue, combine);
   }
 
+  dynamic fold(dynamic initialValue, dynamic combine(dynamic, Length)) {
+    return IterableMixinWorkaround.fold(this, initialValue, combine);
+  }
+
   bool contains(Length element) => IterableMixinWorkaround.contains(this, element);
 
   void forEach(void f(Length element)) => IterableMixinWorkaround.forEach(this, f);
 
   String join([String separator]) =>
       IterableMixinWorkaround.joinList(this, separator);
 
   Iterable map(f(Length element)) =>
       IterableMixinWorkaround.mapList(this, f);
 
@@ skipping 614 matching lines @@
     // for consistency.
     return new FixedSizeListIterator<Number>(this);
   }
 
   // SVG Collections expose numberOfItems rather than length.
   int get length => numberOfItems;
   dynamic reduce(dynamic initialValue, dynamic combine(dynamic, Number)) {
     return IterableMixinWorkaround.reduce(this, initialValue, combine);
   }
 
+  dynamic fold(dynamic initialValue, dynamic combine(dynamic, Number)) {
+    return IterableMixinWorkaround.fold(this, initialValue, combine);
+  }
+
   bool contains(Number element) => IterableMixinWorkaround.contains(this, element);
 
   void forEach(void f(Number element)) => IterableMixinWorkaround.forEach(this, f);
 
   String join([String separator]) =>
       IterableMixinWorkaround.joinList(this, separator);
 
   Iterable map(f(Number element)) =>
       IterableMixinWorkaround.mapList(this, f);
 
@@ skipping 890 matching lines @@
     // for consistency.
     return new FixedSizeListIterator<PathSeg>(this);
   }
 
   // SVG Collections expose numberOfItems rather than length.
   int get length => numberOfItems;
   dynamic reduce(dynamic initialValue, dynamic combine(dynamic, PathSeg)) {
     return IterableMixinWorkaround.reduce(this, initialValue, combine);
   }
 
+  dynamic fold(dynamic initialValue, dynamic combine(dynamic, PathSeg)) {
+    return IterableMixinWorkaround.fold(this, initialValue, combine);
+  }
+
   bool contains(PathSeg element) => IterableMixinWorkaround.contains(this, element);
 
   void forEach(void f(PathSeg element)) => IterableMixinWorkaround.forEach(this, f);
 
   String join([String separator]) =>
       IterableMixinWorkaround.joinList(this, separator);
 
   Iterable map(f(PathSeg element)) =>
       IterableMixinWorkaround.mapList(this, f);
 
@@ skipping 875 matching lines @@
     // for consistency.
     return new FixedSizeListIterator<String>(this);
   }
 
   // SVG Collections expose numberOfItems rather than length.
   int get length => numberOfItems;
   dynamic reduce(dynamic initialValue, dynamic combine(dynamic, String)) {
     return IterableMixinWorkaround.reduce(this, initialValue, combine);
   }
 
+  dynamic fold(dynamic initialValue, dynamic combine(dynamic, String)) {
+    return IterableMixinWorkaround.fold(this, initialValue, combine);
+  }
+
   bool contains(String element) => IterableMixinWorkaround.contains(this, element);
 
   void forEach(void f(String element)) => IterableMixinWorkaround.forEach(this, f);
 
   String join([String separator]) =>
       IterableMixinWorkaround.joinList(this, separator);
 
   Iterable map(f(String element)) =>
       IterableMixinWorkaround.mapList(this, f);
 
@@ skipping 1152 matching lines @@
     // for consistency.
     return new FixedSizeListIterator<Transform>(this);
   }
 
   // SVG Collections expose numberOfItems rather than length.
   int get length => numberOfItems;
   dynamic reduce(dynamic initialValue, dynamic combine(dynamic, Transform)) {
     return IterableMixinWorkaround.reduce(this, initialValue, combine);
   }
 
+  dynamic fold(dynamic initialValue, dynamic combine(dynamic, Transform)) {
+    return IterableMixinWorkaround.fold(this, initialValue, combine);
+  }
+
   bool contains(Transform element) => IterableMixinWorkaround.contains(this, element);
 
   void forEach(void f(Transform element)) => IterableMixinWorkaround.forEach(this, f);
 
   String join([String separator]) =>
       IterableMixinWorkaround.joinList(this, separator);
 
   Iterable map(f(Transform element)) =>
       IterableMixinWorkaround.mapList(this, f);
 
@@ skipping 507 matching lines @@
     // Note: NodeLists are not fixed size. And most probably length shouldn't
     // be cached in both iterator _and_ forEach method. For now caching it
     // for consistency.
     return new FixedSizeListIterator<ElementInstance>(this);
   }
 
   dynamic reduce(dynamic initialValue, dynamic combine(dynamic, ElementInstance)) {
     return IterableMixinWorkaround.reduce(this, initialValue, combine);
   }
 
+  dynamic fold(dynamic initialValue, dynamic combine(dynamic, ElementInstance)) {
+    return IterableMixinWorkaround.fold(this, initialValue, combine);
+  }
+
   bool contains(ElementInstance element) => IterableMixinWorkaround.contains(this, element);
 
   void forEach(void f(ElementInstance element)) => IterableMixinWorkaround.forEach(this, f);
 
   String join([String separator]) =>
       IterableMixinWorkaround.joinList(this, separator);
 
   Iterable map(f(ElementInstance element)) =>
       IterableMixinWorkaround.mapList(this, f);
 
@@ skipping 565 matching lines @@
 
 
 @DocsEditable
 @DomName('SVGVKernElement')
 class _SVGVKernElement extends SvgElement native "*SVGVKernElement" {
 
   @DomName('SVGVKernElement.SVGVKernElement')
   @DocsEditable
   factory _SVGVKernElement() => _SvgElementFactoryProvider.createSvgElement_tag("vkern");
 }