Implement getRange (returning an Iterable).

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 91f2e07f00f75999c5413ed2b339ccc58fb75143..1c7577879534f456e0582676be43bf6b9f1a040c 100644
--- a/sdk/lib/svg/dart2js/svg_dart2js.dart
+++ b/sdk/lib/svg/dart2js/svg_dart2js.dart
@@ -3192,14 +3192,14 @@ class LengthList implements JavaScriptIndexingBehavior, List<Length> native "*SV
     throw new UnsupportedError("Cannot insertRange on immutable List.");
   }
 
+  Iterable<Length> getRange(int start, int end) =>
+    IterableMixinWorkaround.getRangeList(this, start, end);
+
   List<Length> sublist(int start, [int end]) {
     if (end == null) end = length;
     return Lists.getRange(this, start, end, <Length>[]);
   }
 
-  List<Length> getRange(int start, int rangeLength) =>
-      sublist(start, start + rangeLength);
-
   Map<int, Length> asMap() =>
     IterableMixinWorkaround.asMapList(this);
 
@@ -3837,14 +3837,14 @@ class NumberList implements JavaScriptIndexingBehavior, List<Number> native "*SV
     throw new UnsupportedError("Cannot insertRange on immutable List.");
   }
 
+  Iterable<Number> getRange(int start, int end) =>
+    IterableMixinWorkaround.getRangeList(this, start, end);
+
   List<Number> sublist(int start, [int end]) {
     if (end == null) end = length;
     return Lists.getRange(this, start, end, <Number>[]);
   }
 
-  List<Number> getRange(int start, int rangeLength) =>
-      sublist(start, start + rangeLength);
-
   Map<int, Number> asMap() =>
     IterableMixinWorkaround.asMapList(this);
 
@@ -4713,14 +4713,14 @@ class PathSegList implements JavaScriptIndexingBehavior, List<PathSeg> native "*
     throw new UnsupportedError("Cannot insertRange on immutable List.");
   }
 
+  Iterable<PathSeg> getRange(int start, int end) =>
+    IterableMixinWorkaround.getRangeList(this, start, end);
+
   List<PathSeg> sublist(int start, [int end]) {
     if (end == null) end = length;
     return Lists.getRange(this, start, end, <PathSeg>[]);
   }
 
-  List<PathSeg> getRange(int start, int rangeLength) =>
-      sublist(start, start + rangeLength);
-
   Map<int, PathSeg> asMap() =>
     IterableMixinWorkaround.asMapList(this);
 
@@ -5619,14 +5619,14 @@ class StringList implements JavaScriptIndexingBehavior, List<String> native "*SV
     throw new UnsupportedError("Cannot insertRange on immutable List.");
   }
 
+  Iterable<String> getRange(int start, int end) =>
+    IterableMixinWorkaround.getRangeList(this, start, end);
+
   List<String> sublist(int start, [int end]) {
     if (end == null) end = length;
     return Lists.getRange(this, start, end, <String>[]);
   }
 
-  List<String> getRange(int start, int rangeLength) =>
-      sublist(start, start + rangeLength);
-
   Map<int, String> asMap() =>
     IterableMixinWorkaround.asMapList(this);
 
@@ -6798,14 +6798,14 @@ class TransformList implements List<Transform>, JavaScriptIndexingBehavior nativ
     throw new UnsupportedError("Cannot insertRange on immutable List.");
   }
 
+  Iterable<Transform> getRange(int start, int end) =>
+    IterableMixinWorkaround.getRangeList(this, start, end);
+
   List<Transform> sublist(int start, [int end]) {
     if (end == null) end = length;
     return Lists.getRange(this, start, end, <Transform>[]);
   }
 
-  List<Transform> getRange(int start, int rangeLength) =>
-      sublist(start, start + rangeLength);
-
   Map<int, Transform> asMap() =>
     IterableMixinWorkaround.asMapList(this);
 
@@ -7338,14 +7338,14 @@ class _ElementInstanceList implements JavaScriptIndexingBehavior, List<ElementIn
     throw new UnsupportedError("Cannot insertRange on immutable List.");
   }
 
+  Iterable<ElementInstance> getRange(int start, int end) =>
+    IterableMixinWorkaround.getRangeList(this, start, end);
+
   List<ElementInstance> sublist(int start, [int end]) {
     if (end == null) end = length;
     return Lists.getRange(this, start, end, <ElementInstance>[]);
   }
 
-  List<ElementInstance> getRange(int start, int rangeLength) =>
-      sublist(start, start + rangeLength);
-
   Map<int, ElementInstance> asMap() =>
     IterableMixinWorkaround.asMapList(this);