Added expand method to iterables.

sdk/lib/svg/dart2js/svg_dart2js.dart

Index: sdk/lib/svg/dart2js/svg_dart2js.dart
diff --git a/sdk/lib/svg/dart2js/svg_dart2js.dart b/sdk/lib/svg/dart2js/svg_dart2js.dart
index c66460a005e2d658a64f44a6fb0c43711ba0a2ef..d10adf3201bb1f9a57aa84099b951fb0628d3a7e 100644
--- a/sdk/lib/svg/dart2js/svg_dart2js.dart
+++ b/sdk/lib/svg/dart2js/svg_dart2js.dart
@@ -3217,6 +3217,9 @@ class LengthList implements JavaScriptIndexingBehavior, List<Length> native "*SV
   Iterable<Length> where(bool f(Length element)) =>
       IterableMixinWorkaround.where(this, f);
 
+  Iterable expand(Iterable f(Length element)) =>
+      IterableMixinWorkaround.expand(this, f);
+
   bool every(bool f(Length element)) => IterableMixinWorkaround.every(this, f);
 
   bool any(bool f(Length element)) => IterableMixinWorkaround.any(this, f);
@@ -3841,6 +3844,9 @@ class NumberList implements JavaScriptIndexingBehavior, List<Number> native "*SV
   Iterable<Number> where(bool f(Number element)) =>
       IterableMixinWorkaround.where(this, f);
 
+  Iterable expand(Iterable f(Number element)) =>
+      IterableMixinWorkaround.expand(this, f);
+
   bool every(bool f(Number element)) => IterableMixinWorkaround.every(this, f);
 
   bool any(bool f(Number element)) => IterableMixinWorkaround.any(this, f);
@@ -4741,6 +4747,9 @@ class PathSegList implements JavaScriptIndexingBehavior, List<PathSeg> native "*
   Iterable<PathSeg> where(bool f(PathSeg element)) =>
       IterableMixinWorkaround.where(this, f);
 
+  Iterable expand(Iterable f(PathSeg element)) =>
+      IterableMixinWorkaround.expand(this, f);
+
   bool every(bool f(PathSeg element)) => IterableMixinWorkaround.every(this, f);
 
   bool any(bool f(PathSeg element)) => IterableMixinWorkaround.any(this, f);
@@ -5625,6 +5634,9 @@ class StringList implements JavaScriptIndexingBehavior, List<String> native "*SV
   Iterable<String> where(bool f(String element)) =>
       IterableMixinWorkaround.where(this, f);
 
+  Iterable expand(Iterable f(String element)) =>
+      IterableMixinWorkaround.expand(this, f);
+
   bool every(bool f(String element)) => IterableMixinWorkaround.every(this, f);
 
   bool any(bool f(String element)) => IterableMixinWorkaround.any(this, f);
@@ -6788,6 +6800,9 @@ class TransformList implements List<Transform>, JavaScriptIndexingBehavior nativ
   Iterable<Transform> where(bool f(Transform element)) =>
       IterableMixinWorkaround.where(this, f);
 
+  Iterable expand(Iterable f(Transform element)) =>
+      IterableMixinWorkaround.expand(this, f);
+
   bool every(bool f(Transform element)) => IterableMixinWorkaround.every(this, f);
 
   bool any(bool f(Transform element)) => IterableMixinWorkaround.any(this, f);
@@ -7305,6 +7320,9 @@ class _ElementInstanceList implements JavaScriptIndexingBehavior, List<ElementIn
   Iterable<ElementInstance> where(bool f(ElementInstance element)) =>
       IterableMixinWorkaround.where(this, f);
 
+  Iterable expand(Iterable f(ElementInstance element)) =>
+      IterableMixinWorkaround.expand(this, f);
+
   bool every(bool f(ElementInstance element)) => IterableMixinWorkaround.every(this, f);
 
   bool any(bool f(ElementInstance element)) => IterableMixinWorkaround.any(this, f);