Make List.skip, List.take and List.reversed return Iterables, not Lists.

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 c5cd9207bf85cc3fc9dfb8171fd8cc1fce776b33..8336d45cc3963ec70353ff7f942f89206ffce72b 100644
--- a/sdk/lib/html/dartium/html_dartium.dart
+++ b/sdk/lib/html/dartium/html_dartium.dart
@@ -8144,7 +8144,7 @@ class DomMimeTypeArray extends NativeFieldWrapperClass1 implements List<DomMimeT
     throw new UnsupportedError("Cannot clear immutable List.");
   }
 
-  List<DomMimeType> get reversed {
+  Iterable<DomMimeType> get reversed {
     return IterableMixinWorkaround.reversedList(this);
   }
 
@@ -8415,7 +8415,7 @@ class DomPluginArray extends NativeFieldWrapperClass1 implements List<DomPlugin>
     throw new UnsupportedError("Cannot clear immutable List.");
   }
 
-  List<DomPlugin> get reversed {
+  Iterable<DomPlugin> get reversed {
     return IterableMixinWorkaround.reversedList(this);
   }
 
@@ -8804,7 +8804,7 @@ class DomStringList extends NativeFieldWrapperClass1 implements List<String> {
     throw new UnsupportedError("Cannot clear immutable List.");
   }
 
-  List<String> get reversed {
+  Iterable<String> get reversed {
     return IterableMixinWorkaround.reversedList(this);
   }
 
@@ -9099,7 +9099,7 @@ class _ChildrenElementList implements List {
     }
   }
 
-  List<Element> get reversed {
+  Iterable<Element> get reversed {
     return IterableMixinWorkaround.reversedList(this);
   }
 
@@ -9333,7 +9333,7 @@ class _FrozenElementList implements List {
     throw new UnsupportedError('');
   }
 
-  List<Element> get reversed {
+  Iterable<Element> get reversed {
     return IterableMixinWorkaround.reversedList(this);
   }
 
@@ -11765,7 +11765,7 @@ class FileList extends NativeFieldWrapperClass1 implements List<File> {
     throw new UnsupportedError("Cannot clear immutable List.");
   }
 
-  List<File> get reversed {
+  Iterable<File> get reversed {
     return IterableMixinWorkaround.reversedList(this);
   }
 
@@ -12437,7 +12437,7 @@ class Float32Array extends ArrayBufferView implements List<num> {
     throw new UnsupportedError("Cannot clear immutable List.");
   }
 
-  List<num> get reversed {
+  Iterable<num> get reversed {
     return IterableMixinWorkaround.reversedList(this);
   }
 
@@ -12675,7 +12675,7 @@ class Float64Array extends ArrayBufferView implements List<num> {
     throw new UnsupportedError("Cannot clear immutable List.");
   }
 
-  List<num> get reversed {
+  Iterable<num> get reversed {
     return IterableMixinWorkaround.reversedList(this);
   }
 
@@ -13266,7 +13266,7 @@ class HtmlAllCollection extends NativeFieldWrapperClass1 implements List<Node> {
     throw new UnsupportedError("Cannot clear immutable List.");
   }
 
-  List<Node> get reversed {
+  Iterable<Node> get reversed {
     return IterableMixinWorkaround.reversedList(this);
   }
 
@@ -13478,7 +13478,7 @@ class HtmlCollection extends NativeFieldWrapperClass1 implements List<Node> {
     throw new UnsupportedError("Cannot clear immutable List.");
   }
 
-  List<Node> get reversed {
+  Iterable<Node> get reversed {
     return IterableMixinWorkaround.reversedList(this);
   }
 
@@ -15894,7 +15894,7 @@ class Int16Array extends ArrayBufferView implements List<int> {
     throw new UnsupportedError("Cannot clear immutable List.");
   }
 
-  List<int> get reversed {
+  Iterable<int> get reversed {
     return IterableMixinWorkaround.reversedList(this);
   }
 
@@ -16132,7 +16132,7 @@ class Int32Array extends ArrayBufferView implements List<int> {
     throw new UnsupportedError("Cannot clear immutable List.");
   }
 
-  List<int> get reversed {
+  Iterable<int> get reversed {
     return IterableMixinWorkaround.reversedList(this);
   }
 
@@ -16370,7 +16370,7 @@ class Int8Array extends ArrayBufferView implements List<int> {
     throw new UnsupportedError("Cannot clear immutable List.");
   }
 
-  List<int> get reversed {
+  Iterable<int> get reversed {
     return IterableMixinWorkaround.reversedList(this);
   }
 
@@ -19270,7 +19270,7 @@ class _ChildNodeListLazy implements List {
     return this[index];
   }
 
-  List<Node> get reversed {
+  Iterable<Node> get reversed {
     return IterableMixinWorkaround.reversedList(this);
   }
 
@@ -19676,7 +19676,7 @@ class NodeList extends NativeFieldWrapperClass1 implements List<Node> {
     throw new UnsupportedError("Cannot clear immutable List.");
   }
 
-  List<Node> get reversed {
+  Iterable<Node> get reversed {
     return IterableMixinWorkaround.reversedList(this);
   }
 
@@ -22395,7 +22395,7 @@ class SourceBufferList extends EventTarget implements List<SourceBuffer> {
     throw new UnsupportedError("Cannot clear immutable List.");
   }
 
-  List<SourceBuffer> get reversed {
+  Iterable<SourceBuffer> get reversed {
     return IterableMixinWorkaround.reversedList(this);
   }
 
@@ -22716,7 +22716,7 @@ class SpeechGrammarList extends NativeFieldWrapperClass1 implements List<SpeechG
     throw new UnsupportedError("Cannot clear immutable List.");
   }
 
-  List<SpeechGrammar> get reversed {
+  Iterable<SpeechGrammar> get reversed {
     return IterableMixinWorkaround.reversedList(this);
   }
 
@@ -23420,7 +23420,7 @@ class SqlResultSetRowList extends NativeFieldWrapperClass1 implements List<Map>
     throw new UnsupportedError("Cannot clear immutable List.");
   }
 
-  List<Map> get reversed {
+  Iterable<Map> get reversed {
     return IterableMixinWorkaround.reversedList(this);
   }
 
@@ -24777,7 +24777,7 @@ class TextTrackCueList extends NativeFieldWrapperClass1 implements List<TextTrac
     throw new UnsupportedError("Cannot clear immutable List.");
   }
 
-  List<TextTrackCue> get reversed {
+  Iterable<TextTrackCue> get reversed {
     return IterableMixinWorkaround.reversedList(this);
   }
 
@@ -24995,7 +24995,7 @@ class TextTrackList extends EventTarget implements List<TextTrack> {
     throw new UnsupportedError("Cannot clear immutable List.");
   }
 
-  List<TextTrack> get reversed {
+  Iterable<TextTrack> get reversed {
     return IterableMixinWorkaround.reversedList(this);
   }
 
@@ -25424,7 +25424,7 @@ class TouchList extends NativeFieldWrapperClass1 implements List<Touch> {
     throw new UnsupportedError("Cannot clear immutable List.");
   }
 
-  List<Touch> get reversed {
+  Iterable<Touch> get reversed {
     return IterableMixinWorkaround.reversedList(this);
   }
 
@@ -25918,7 +25918,7 @@ class Uint16Array extends ArrayBufferView implements List<int> {
     throw new UnsupportedError("Cannot clear immutable List.");
   }
 
-  List<int> get reversed {
+  Iterable<int> get reversed {
     return IterableMixinWorkaround.reversedList(this);
   }
 
@@ -26156,7 +26156,7 @@ class Uint32Array extends ArrayBufferView implements List<int> {
     throw new UnsupportedError("Cannot clear immutable List.");
   }
 
-  List<int> get reversed {
+  Iterable<int> get reversed {
     return IterableMixinWorkaround.reversedList(this);
   }
 
@@ -26394,7 +26394,7 @@ class Uint8Array extends ArrayBufferView implements List<int> {
     throw new UnsupportedError("Cannot clear immutable List.");
   }
 
-  List<int> get reversed {
+  Iterable<int> get reversed {
     return IterableMixinWorkaround.reversedList(this);
   }
 
@@ -26630,7 +26630,7 @@ class Uint8ClampedArray extends Uint8Array implements List<int> {
     throw new UnsupportedError("Cannot clear immutable List.");
   }
 
-  List<int> get reversed {
+  Iterable<int> get reversed {
     return IterableMixinWorkaround.reversedList(this);
   }
 
@@ -30573,7 +30573,7 @@ class _ClientRectList extends NativeFieldWrapperClass1 implements List<ClientRec
     throw new UnsupportedError("Cannot clear immutable List.");
   }
 
-  List<ClientRect> get reversed {
+  Iterable<ClientRect> get reversed {
     return IterableMixinWorkaround.reversedList(this);
   }
 
@@ -30777,7 +30777,7 @@ class _CssRuleList extends NativeFieldWrapperClass1 implements List<CssRule> {
     throw new UnsupportedError("Cannot clear immutable List.");
   }
 
-  List<CssRule> get reversed {
+  Iterable<CssRule> get reversed {
     return IterableMixinWorkaround.reversedList(this);
   }
 
@@ -30981,7 +30981,7 @@ class _CssValueList extends CssValue implements List<CssValue> {
     throw new UnsupportedError("Cannot clear immutable List.");
   }
 
-  List<CssValue> get reversed {
+  Iterable<CssValue> get reversed {
     return IterableMixinWorkaround.reversedList(this);
   }
 
@@ -31328,7 +31328,7 @@ class _EntryArray extends NativeFieldWrapperClass1 implements List<Entry> {
     throw new UnsupportedError("Cannot clear immutable List.");
   }
 
-  List<Entry> get reversed {
+  Iterable<Entry> get reversed {
     return IterableMixinWorkaround.reversedList(this);
   }
 
@@ -31532,7 +31532,7 @@ class _EntryArraySync extends NativeFieldWrapperClass1 implements List<EntrySync
     throw new UnsupportedError("Cannot clear immutable List.");
   }
 
-  List<EntrySync> get reversed {
+  Iterable<EntrySync> get reversed {
     return IterableMixinWorkaround.reversedList(this);
   }
 
@@ -31736,7 +31736,7 @@ class _GamepadList extends NativeFieldWrapperClass1 implements List<Gamepad> {
     throw new UnsupportedError("Cannot clear immutable List.");
   }
 
-  List<Gamepad> get reversed {
+  Iterable<Gamepad> get reversed {
     return IterableMixinWorkaround.reversedList(this);
   }
 
@@ -32083,7 +32083,7 @@ class _MediaStreamList extends NativeFieldWrapperClass1 implements List<MediaStr
     throw new UnsupportedError("Cannot clear immutable List.");
   }
 
-  List<MediaStream> get reversed {
+  Iterable<MediaStream> get reversed {
     return IterableMixinWorkaround.reversedList(this);
   }
 
@@ -32287,7 +32287,7 @@ class _NamedNodeMap extends NativeFieldWrapperClass1 implements List<Node> {
     throw new UnsupportedError("Cannot clear immutable List.");
   }
 
-  List<Node> get reversed {
+  Iterable<Node> get reversed {
     return IterableMixinWorkaround.reversedList(this);
   }
 
@@ -32515,7 +32515,7 @@ class _SpeechInputResultList extends NativeFieldWrapperClass1 implements List<Sp
     throw new UnsupportedError("Cannot clear immutable List.");
   }
 
-  List<SpeechInputResult> get reversed {
+  Iterable<SpeechInputResult> get reversed {
     return IterableMixinWorkaround.reversedList(this);
   }
 
@@ -32719,7 +32719,7 @@ class _SpeechRecognitionResultList extends NativeFieldWrapperClass1 implements L
     throw new UnsupportedError("Cannot clear immutable List.");
   }
 
-  List<SpeechRecognitionResult> get reversed {
+  Iterable<SpeechRecognitionResult> get reversed {
     return IterableMixinWorkaround.reversedList(this);
   }
 
@@ -32923,7 +32923,7 @@ class _StyleSheetList extends NativeFieldWrapperClass1 implements List<StyleShee
     throw new UnsupportedError("Cannot clear immutable List.");
   }
 
-  List<StyleSheet> get reversed {
+  Iterable<StyleSheet> get reversed {
     return IterableMixinWorkaround.reversedList(this);
   }