Refactor List.setRange function.

sdk/lib/html/dart2js/html_dart2js.dart

Index: sdk/lib/html/dart2js/html_dart2js.dart
diff --git a/sdk/lib/html/dart2js/html_dart2js.dart b/sdk/lib/html/dart2js/html_dart2js.dart
index abb637f24afc45b8c7b366e6cf002426d28a1506..f3affd1c8748792795d2420cd47e6d8a921b835d 100644
--- a/sdk/lib/html/dart2js/html_dart2js.dart
+++ b/sdk/lib/html/dart2js/html_dart2js.dart
@@ -6981,7 +6981,7 @@ class DomMimeTypeArray implements JavaScriptIndexingBehavior, List<DomMimeType>
     throw new UnsupportedError("Cannot remove from immutable List.");
   }
 
-  void setRange(int start, int rangeLength, List<DomMimeType> from, [int startFrom]) {
+  void setRange(int start, int end, Iterable<DomMimeType> iterable, [int skipCount]) {
     throw new UnsupportedError("Cannot setRange on immutable List.");
   }
 
@@ -7243,7 +7243,7 @@ class DomPluginArray implements JavaScriptIndexingBehavior, List<DomPlugin> nati
     throw new UnsupportedError("Cannot remove from immutable List.");
   }
 
-  void setRange(int start, int rangeLength, List<DomPlugin> from, [int startFrom]) {
+  void setRange(int start, int end, Iterable<DomPlugin> iterable, [int skipCount]) {
     throw new UnsupportedError("Cannot setRange on immutable List.");
   }
 
@@ -7653,7 +7653,7 @@ class DomStringList implements JavaScriptIndexingBehavior, List<String> native "
     throw new UnsupportedError("Cannot remove from immutable List.");
   }
 
-  void setRange(int start, int rangeLength, List<String> from, [int startFrom]) {
+  void setRange(int start, int end, Iterable<String> iterable, [int skipCount]) {
     throw new UnsupportedError("Cannot setRange on immutable List.");
   }
 
@@ -7897,8 +7897,8 @@ class _ChildrenElementList extends ListBase<Element> {
     return _childElements.fold(initialValue, combine);
   }
 
-  void setRange(int start, int rangeLength, List from,
-                [int startFrom = 0]) {
+  void setRange(int start, int end, Iterable<Element> iterable,
+                [int skipCount = 0]) {
     throw new UnimplementedError();
   }
 
@@ -8040,8 +8040,8 @@ class _FrozenElementList extends ListBase {
     throw new UnsupportedError('');
   }
 
-  void setRange(int start, int rangeLength, List from,
-                [int startFrom = 0]) {
+  void setRange(int start, int end, Iterable<Element> iterable,
+                [int skipCount = 0]) {
     throw new UnsupportedError('');
   }
 
@@ -10377,7 +10377,7 @@ class FileList implements JavaScriptIndexingBehavior, List<File> native "*FileLi
     throw new UnsupportedError("Cannot remove from immutable List.");
   }
 
-  void setRange(int start, int rangeLength, List<File> from, [int startFrom]) {
+  void setRange(int start, int end, Iterable<File> iterable, [int skipCount]) {
     throw new UnsupportedError("Cannot setRange on immutable List.");
   }
 
@@ -10861,7 +10861,7 @@ class Float32Array extends ArrayBufferView implements JavaScriptIndexingBehavior
     throw new UnsupportedError("Cannot remove from immutable List.");
   }
 
-  void setRange(int start, int rangeLength, List<num> from, [int startFrom]) {
+  void setRange(int start, int end, Iterable<num> iterable, [int skipCount]) {
     throw new UnsupportedError("Cannot setRange on immutable List.");
   }
 
@@ -11087,7 +11087,7 @@ class Float64Array extends ArrayBufferView implements JavaScriptIndexingBehavior
     throw new UnsupportedError("Cannot remove from immutable List.");
   }
 
-  void setRange(int start, int rangeLength, List<num> from, [int startFrom]) {
+  void setRange(int start, int end, Iterable<num> iterable, [int skipCount]) {
     throw new UnsupportedError("Cannot setRange on immutable List.");
   }
 
@@ -11733,7 +11733,7 @@ class HtmlAllCollection implements JavaScriptIndexingBehavior, List<Node> native
     throw new UnsupportedError("Cannot remove from immutable List.");
   }
 
-  void setRange(int start, int rangeLength, List<Node> from, [int startFrom]) {
+  void setRange(int start, int end, Iterable<Node> iterable, [int skipCount]) {
     throw new UnsupportedError("Cannot setRange on immutable List.");
   }
 
@@ -11948,7 +11948,7 @@ class HtmlCollection implements JavaScriptIndexingBehavior, List<Node> native "*
     throw new UnsupportedError("Cannot remove from immutable List.");
   }
 
-  void setRange(int start, int rangeLength, List<Node> from, [int startFrom]) {
+  void setRange(int start, int end, Iterable<Node> iterable, [int skipCount]) {
     throw new UnsupportedError("Cannot setRange on immutable List.");
   }
 
@@ -13986,7 +13986,7 @@ class Int16Array extends ArrayBufferView implements JavaScriptIndexingBehavior,
     throw new UnsupportedError("Cannot remove from immutable List.");
   }
 
-  void setRange(int start, int rangeLength, List<int> from, [int startFrom]) {
+  void setRange(int start, int end, Iterable<int> iterable, [int skipCount]) {
     throw new UnsupportedError("Cannot setRange on immutable List.");
   }
 
@@ -14212,7 +14212,7 @@ class Int32Array extends ArrayBufferView implements JavaScriptIndexingBehavior,
     throw new UnsupportedError("Cannot remove from immutable List.");
   }
 
-  void setRange(int start, int rangeLength, List<int> from, [int startFrom]) {
+  void setRange(int start, int end, Iterable<int> iterable, [int skipCount]) {
     throw new UnsupportedError("Cannot setRange on immutable List.");
   }
 
@@ -14438,7 +14438,7 @@ class Int8Array extends ArrayBufferView implements JavaScriptIndexingBehavior, L
     throw new UnsupportedError("Cannot remove from immutable List.");
   }
 
-  void setRange(int start, int rangeLength, List<int> from, [int startFrom]) {
+  void setRange(int start, int end, Iterable<int> iterable, [int skipCount]) {
     throw new UnsupportedError("Cannot setRange on immutable List.");
   }
 
@@ -16881,7 +16881,8 @@ class _ChildNodeListLazy extends ListBase<Node> {
   }
 
   // FIXME: implement these.
-  void setRange(int start, int rangeLength, List<Node> from, [int startFrom]) {
+  void setRange(int start, int end, Iterable<Node> iterable,
+                [int skipCount = 0]) {
     throw new UnsupportedError(
         "Cannot setRange on immutable List.");
   }
@@ -17448,7 +17449,7 @@ class NodeList implements JavaScriptIndexingBehavior, List<Node> native "*NodeLi
     throw new UnsupportedError("Cannot remove from immutable List.");
   }
 
-  void setRange(int start, int rangeLength, List<Node> from, [int startFrom]) {
+  void setRange(int start, int end, Iterable<Node> iterable, [int skipCount]) {
     throw new UnsupportedError("Cannot setRange on immutable List.");
   }
 
@@ -19792,7 +19793,7 @@ class SourceBufferList extends EventTarget implements JavaScriptIndexingBehavior
     throw new UnsupportedError("Cannot remove from immutable List.");
   }
 
-  void setRange(int start, int rangeLength, List<SourceBuffer> from, [int startFrom]) {
+  void setRange(int start, int end, Iterable<SourceBuffer> iterable, [int skipCount]) {
     throw new UnsupportedError("Cannot setRange on immutable List.");
   }
 
@@ -20080,7 +20081,7 @@ class SpeechGrammarList implements JavaScriptIndexingBehavior, List<SpeechGramma
     throw new UnsupportedError("Cannot remove from immutable List.");
   }
 
-  void setRange(int start, int rangeLength, List<SpeechGrammar> from, [int startFrom]) {
+  void setRange(int start, int end, Iterable<SpeechGrammar> iterable, [int skipCount]) {
     throw new UnsupportedError("Cannot setRange on immutable List.");
   }
 
@@ -21531,7 +21532,7 @@ class TextTrackCueList implements List<TextTrackCue>, JavaScriptIndexingBehavior
     throw new UnsupportedError("Cannot remove from immutable List.");
   }
 
-  void setRange(int start, int rangeLength, List<TextTrackCue> from, [int startFrom]) {
+  void setRange(int start, int end, Iterable<TextTrackCue> iterable, [int skipCount]) {
     throw new UnsupportedError("Cannot setRange on immutable List.");
   }
 
@@ -21744,7 +21745,7 @@ class TextTrackList extends EventTarget implements JavaScriptIndexingBehavior, L
     throw new UnsupportedError("Cannot remove from immutable List.");
   }
 
-  void setRange(int start, int rangeLength, List<TextTrack> from, [int startFrom]) {
+  void setRange(int start, int end, Iterable<TextTrack> iterable, [int skipCount]) {
     throw new UnsupportedError("Cannot setRange on immutable List.");
   }
 
@@ -22183,7 +22184,7 @@ class TouchList implements JavaScriptIndexingBehavior, List<Touch> native "*Touc
     throw new UnsupportedError("Cannot remove from immutable List.");
   }
 
-  void setRange(int start, int rangeLength, List<Touch> from, [int startFrom]) {
+  void setRange(int start, int end, Iterable<Touch> iterable, [int skipCount]) {
     throw new UnsupportedError("Cannot setRange on immutable List.");
   }
 
@@ -22659,7 +22660,7 @@ class Uint16Array extends ArrayBufferView implements JavaScriptIndexingBehavior,
     throw new UnsupportedError("Cannot remove from immutable List.");
   }
 
-  void setRange(int start, int rangeLength, List<int> from, [int startFrom]) {
+  void setRange(int start, int end, Iterable<int> iterable, [int skipCount]) {
     throw new UnsupportedError("Cannot setRange on immutable List.");
   }
 
@@ -22885,7 +22886,7 @@ class Uint32Array extends ArrayBufferView implements JavaScriptIndexingBehavior,
     throw new UnsupportedError("Cannot remove from immutable List.");
   }
 
-  void setRange(int start, int rangeLength, List<int> from, [int startFrom]) {
+  void setRange(int start, int end, Iterable<int> iterable, [int skipCount]) {
     throw new UnsupportedError("Cannot setRange on immutable List.");
   }
 
@@ -23111,7 +23112,7 @@ class Uint8Array extends ArrayBufferView implements JavaScriptIndexingBehavior,
     throw new UnsupportedError("Cannot remove from immutable List.");
   }
 
-  void setRange(int start, int rangeLength, List<int> from, [int startFrom]) {
+  void setRange(int start, int end, Iterable<int> iterable, [int skipCount]) {
     throw new UnsupportedError("Cannot setRange on immutable List.");
   }
 
@@ -23334,7 +23335,7 @@ class Uint8ClampedArray extends Uint8Array implements JavaScriptIndexingBehavior
     throw new UnsupportedError("Cannot remove from immutable List.");
   }
 
-  void setRange(int start, int rangeLength, List<int> from, [int startFrom]) {
+  void setRange(int start, int end, Iterable<int> iterable, [int skipCount]) {
     throw new UnsupportedError("Cannot setRange on immutable List.");
   }
 
@@ -25608,7 +25609,7 @@ class _ClientRectList implements JavaScriptIndexingBehavior, List<Rect> native "
     throw new UnsupportedError("Cannot remove from immutable List.");
   }
 
-  void setRange(int start, int rangeLength, List<Rect> from, [int startFrom]) {
+  void setRange(int start, int end, Iterable<Rect> iterable, [int skipCount]) {
     throw new UnsupportedError("Cannot setRange on immutable List.");
   }
 
@@ -25822,7 +25823,7 @@ class _CssRuleList implements JavaScriptIndexingBehavior, List<CssRule> native "
     throw new UnsupportedError("Cannot remove from immutable List.");
   }
 
-  void setRange(int start, int rangeLength, List<CssRule> from, [int startFrom]) {
+  void setRange(int start, int end, Iterable<CssRule> iterable, [int skipCount]) {
     throw new UnsupportedError("Cannot setRange on immutable List.");
   }
 
@@ -26027,7 +26028,7 @@ class _CssValueList extends _CSSValue implements JavaScriptIndexingBehavior, Lis
     throw new UnsupportedError("Cannot remove from immutable List.");
   }
 
-  void setRange(int start, int rangeLength, List<_CSSValue> from, [int startFrom]) {
+  void setRange(int start, int end, Iterable<_CSSValue> iterable, [int skipCount]) {
     throw new UnsupportedError("Cannot setRange on immutable List.");
   }
 
@@ -26300,7 +26301,7 @@ class _EntryArray implements JavaScriptIndexingBehavior, List<Entry> native "*En
     throw new UnsupportedError("Cannot remove from immutable List.");
   }
 
-  void setRange(int start, int rangeLength, List<Entry> from, [int startFrom]) {
+  void setRange(int start, int end, Iterable<Entry> iterable, [int skipCount]) {
     throw new UnsupportedError("Cannot setRange on immutable List.");
   }
 
@@ -26505,7 +26506,7 @@ class _EntryArraySync implements JavaScriptIndexingBehavior, List<_EntrySync> na
     throw new UnsupportedError("Cannot remove from immutable List.");
   }
 
-  void setRange(int start, int rangeLength, List<_EntrySync> from, [int startFrom]) {
+  void setRange(int start, int end, Iterable<_EntrySync> iterable, [int skipCount]) {
     throw new UnsupportedError("Cannot setRange on immutable List.");
   }
 
@@ -26753,7 +26754,7 @@ class _GamepadList implements JavaScriptIndexingBehavior, List<Gamepad> native "
     throw new UnsupportedError("Cannot remove from immutable List.");
   }
 
-  void setRange(int start, int rangeLength, List<Gamepad> from, [int startFrom]) {
+  void setRange(int start, int end, Iterable<Gamepad> iterable, [int skipCount]) {
     throw new UnsupportedError("Cannot setRange on immutable List.");
   }
 
@@ -27021,7 +27022,7 @@ class _NamedNodeMap implements JavaScriptIndexingBehavior, List<Node> native "*N
     throw new UnsupportedError("Cannot remove from immutable List.");
   }
 
-  void setRange(int start, int rangeLength, List<Node> from, [int startFrom]) {
+  void setRange(int start, int end, Iterable<Node> iterable, [int skipCount]) {
     throw new UnsupportedError("Cannot setRange on immutable List.");
   }
 
@@ -27297,7 +27298,7 @@ class _SpeechInputResultList implements JavaScriptIndexingBehavior, List<SpeechI
     throw new UnsupportedError("Cannot remove from immutable List.");
   }
 
-  void setRange(int start, int rangeLength, List<SpeechInputResult> from, [int startFrom]) {
+  void setRange(int start, int end, Iterable<SpeechInputResult> iterable, [int skipCount]) {
     throw new UnsupportedError("Cannot setRange on immutable List.");
   }
 
@@ -27502,7 +27503,7 @@ class _SpeechRecognitionResultList implements JavaScriptIndexingBehavior, List<S
     throw new UnsupportedError("Cannot remove from immutable List.");
   }
 
-  void setRange(int start, int rangeLength, List<SpeechRecognitionResult> from, [int startFrom]) {
+  void setRange(int start, int end, Iterable<SpeechRecognitionResult> iterable, [int skipCount]) {
     throw new UnsupportedError("Cannot setRange on immutable List.");
   }
 
@@ -27707,7 +27708,7 @@ class _StyleSheetList implements JavaScriptIndexingBehavior, List<StyleSheet> na
     throw new UnsupportedError("Cannot remove from immutable List.");
   }
 
-  void setRange(int start, int rangeLength, List<StyleSheet> from, [int startFrom]) {
+  void setRange(int start, int end, Iterable<StyleSheet> iterable, [int skipCount]) {
     throw new UnsupportedError("Cannot setRange on immutable List.");
   }
 
@@ -30844,8 +30845,8 @@ class _WrappedList<E> implements List<E> {
 
   Iterable<E> getRange(int start, int end) => _list.getRange(start, end);
 
-  void setRange(int start, int length, List<E> from, [int startFrom]) {
-    _list.setRange(start, length, from, startFrom);
+  void setRange(int start, int end, Iterable<E> iterable, [int skipCount = 0]) {
+    _list.setRange(start, end, iterable, skipCount);
   }
 
   void removeRange(int start, int length) { _list.removeRange(start, length); }