Make sure that classes in dart:html do not implement both List and List<E>.

sdk/lib/svg/dartium/svg_dartium.dart

Index: sdk/lib/svg/dartium/svg_dartium.dart
diff --git a/sdk/lib/svg/dartium/svg_dartium.dart b/sdk/lib/svg/dartium/svg_dartium.dart
index f25ee0ae11bceda11aa1525a366a3ceb33ebe06a..7e348f0fa0dfb820d62ed790056759a89bb5ebe3 100644
--- a/sdk/lib/svg/dartium/svg_dartium.dart
+++ b/sdk/lib/svg/dartium/svg_dartium.dart
@@ -3217,7 +3217,7 @@ class Length extends NativeFieldWrapperClass2 {
 @DocsEditable()
 @DomName('SVGLengthList')
 @Unstable()
-class LengthList extends NativeFieldWrapperClass2 with ListMixin<Length>, ImmutableListMixin<Length> implements List {
+class LengthList extends NativeFieldWrapperClass2 with ListMixin<Length>, ImmutableListMixin<Length> implements List<Length> {
   // To suppress missing implicit constructor warnings.
   factory LengthList._() { throw new UnsupportedError("Not supported"); }
 
@@ -3713,7 +3713,7 @@ class Number extends NativeFieldWrapperClass2 {
 @DocsEditable()
 @DomName('SVGNumberList')
 @Unstable()
-class NumberList extends NativeFieldWrapperClass2 with ListMixin<Number>, ImmutableListMixin<Number> implements List {
+class NumberList extends NativeFieldWrapperClass2 with ListMixin<Number>, ImmutableListMixin<Number> implements List<Number> {
   // To suppress missing implicit constructor warnings.
   factory NumberList._() { throw new UnsupportedError("Not supported"); }
 
@@ -4733,7 +4733,7 @@ class PathSegLinetoVerticalRel extends PathSeg {
 @DocsEditable()
 @DomName('SVGPathSegList')
 @Unstable()
-class PathSegList extends NativeFieldWrapperClass2 with ListMixin<PathSeg>, ImmutableListMixin<PathSeg> implements List {
+class PathSegList extends NativeFieldWrapperClass2 with ListMixin<PathSeg>, ImmutableListMixin<PathSeg> implements List<PathSeg> {
   // To suppress missing implicit constructor warnings.
   factory PathSegList._() { throw new UnsupportedError("Not supported"); }
 
@@ -5505,7 +5505,7 @@ class StopElement extends SvgElement {
 @DocsEditable()
 @DomName('SVGStringList')
 @Unstable()
-class StringList extends NativeFieldWrapperClass2 with ListMixin<String>, ImmutableListMixin<String> implements List {
+class StringList extends NativeFieldWrapperClass2 with ListMixin<String>, ImmutableListMixin<String> implements List<String> {
   // To suppress missing implicit constructor warnings.
   factory StringList._() { throw new UnsupportedError("Not supported"); }
 
@@ -6529,7 +6529,7 @@ class Transform extends NativeFieldWrapperClass2 {
 @DocsEditable()
 @DomName('SVGTransformList')
 @Unstable()
-class TransformList extends NativeFieldWrapperClass2 with ListMixin<Transform>, ImmutableListMixin<Transform> implements List {
+class TransformList extends NativeFieldWrapperClass2 with ListMixin<Transform>, ImmutableListMixin<Transform> implements List<Transform> {
   // To suppress missing implicit constructor warnings.
   factory TransformList._() { throw new UnsupportedError("Not supported"); }
 
@@ -6927,7 +6927,7 @@ class ZoomEvent extends UIEvent {
 @DocsEditable()
 @DomName('SVGElementInstanceList')
 @Unstable()
-class _ElementInstanceList extends NativeFieldWrapperClass2 with ListMixin<ElementInstance>, ImmutableListMixin<ElementInstance> implements List {
+class _ElementInstanceList extends NativeFieldWrapperClass2 with ListMixin<ElementInstance>, ImmutableListMixin<ElementInstance> implements List<ElementInstance> {
   // To suppress missing implicit constructor warnings.
   factory _ElementInstanceList._() { throw new UnsupportedError("Not supported"); }