Revert "Add List.first."

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 b55f881592fa19f746858bdee0200ed158dc1cb6..283b1c82b2e471ea99417c66c24ff7a260ca1120 100644
--- a/sdk/lib/html/dart2js/html_dart2js.dart
+++ b/sdk/lib/html/dart2js/html_dart2js.dart
@@ -5747,8 +5747,6 @@ class DOMMimeTypeArray implements JavaScriptIndexingBehavior, List<DOMMimeType>
     return _Lists.lastIndexOf(this, element, start);
   }
 
-  DOMMimeType get first => this[0];
-
   DOMMimeType get last => this[length - 1];
 
   DOMMimeType removeLast() {
@@ -5888,8 +5886,6 @@ class DOMPluginArray implements JavaScriptIndexingBehavior, List<DOMPlugin> nati
     return _Lists.lastIndexOf(this, element, start);
   }
 
-  DOMPlugin get first => this[0];
-
   DOMPlugin get last => this[length - 1];
 
   DOMPlugin removeLast() {
@@ -7239,11 +7235,6 @@ class _ChildrenElementList implements List {
     return result;
   }
 
-  Element get first {
-    return _element.$dom_firstElementChild;
-  }
-
-
   Element get last {
     return _element.$dom_lastElementChild;
   }
@@ -7258,6 +7249,10 @@ class _FrozenElementList implements List {
 
   _FrozenElementList._wrap(this._nodeList);
 
+  Element get first {
+    return _nodeList[0];
+  }
+
   bool contains(Element element) {
     for (Element el in this) {
       if (el == element) return true;
@@ -7366,8 +7361,6 @@ class _FrozenElementList implements List {
     throw new UnsupportedError('');
   }
 
-  Element get first => _nodeList.first;
-
   Element get last => _nodeList.last;
 }
 
@@ -9022,8 +9015,6 @@ class Float32Array extends ArrayBufferView implements JavaScriptIndexingBehavior
     return _Lists.lastIndexOf(this, element, start);
   }
 
-  num get first => this[0];
-
   num get last => this[length - 1];
 
   num removeLast() {
@@ -9133,8 +9124,6 @@ class Float64Array extends ArrayBufferView implements JavaScriptIndexingBehavior
     return _Lists.lastIndexOf(this, element, start);
   }
 
-  num get first => this[0];
-
   num get last => this[length - 1];
 
   num removeLast() {
@@ -9501,8 +9490,6 @@ class HTMLAllCollection implements JavaScriptIndexingBehavior, List<Node> native
     return _Lists.lastIndexOf(this, element, start);
   }
 
-  Node get first => this[0];
-
   Node get last => this[length - 1];
 
   Node removeLast() {
@@ -9606,8 +9593,6 @@ class HTMLCollection implements JavaScriptIndexingBehavior, List<Node> native "*
     return _Lists.lastIndexOf(this, element, start);
   }
 
-  Node get first => this[0];
-
   Node get last => this[length - 1];
 
   Node removeLast() {
@@ -11260,8 +11245,6 @@ class Int16Array extends ArrayBufferView implements JavaScriptIndexingBehavior,
     return _Lists.lastIndexOf(this, element, start);
   }
 
-  int get first => this[0];
-
   int get last => this[length - 1];
 
   int removeLast() {
@@ -11371,8 +11354,6 @@ class Int32Array extends ArrayBufferView implements JavaScriptIndexingBehavior,
     return _Lists.lastIndexOf(this, element, start);
   }
 
-  int get first => this[0];
-
   int get last => this[length - 1];
 
   int removeLast() {
@@ -11482,8 +11463,6 @@ class Int8Array extends ArrayBufferView implements JavaScriptIndexingBehavior, L
     return _Lists.lastIndexOf(this, element, start);
   }
 
-  int get first => this[0];
-
   int get last => this[length - 1];
 
   int removeLast() {
@@ -13628,8 +13607,6 @@ class NamedNodeMap implements JavaScriptIndexingBehavior, List<Node> native "*Na
     return _Lists.lastIndexOf(this, element, start);
   }
 
-  Node get first => this[0];
-
   Node get last => this[length - 1];
 
   Node removeLast() {
@@ -14166,8 +14143,6 @@ class _ListWrapper<E> implements List<E> {
 
   E removeLast() => _list.removeLast();
 
-  E get first => _list.first;
-
   E get last => _list.last;
 
   List<E> getRange(int start, int rangeLength) =>
@@ -14181,6 +14156,8 @@ class _ListWrapper<E> implements List<E> {
 
   void insertRange(int start, int rangeLength, [E initialValue = null]) =>
     _list.insertRange(start, rangeLength, initialValue);
+
+  E get first => _list[0];
 }
 
 /**
@@ -15946,8 +15923,6 @@ class SQLResultSetRowList implements JavaScriptIndexingBehavior, List<Map> nativ
     return _Lists.lastIndexOf(this, element, start);
   }
 
-  Map get first => this[0];
-
   Map get last => this[length - 1];
 
   Map removeLast() {
@@ -16462,8 +16437,6 @@ class SourceBufferList extends EventTarget implements JavaScriptIndexingBehavior
     return _Lists.lastIndexOf(this, element, start);
   }
 
-  SourceBuffer get first => this[0];
-
   SourceBuffer get last => this[length - 1];
 
   SourceBuffer removeLast() {
@@ -16617,8 +16590,6 @@ class SpeechGrammarList implements JavaScriptIndexingBehavior, List<SpeechGramma
     return _Lists.lastIndexOf(this, element, start);
   }
 
-  SpeechGrammar get first => this[0];
-
   SpeechGrammar get last => this[length - 1];
 
   SpeechGrammar removeLast() {
@@ -17638,8 +17609,6 @@ class TextTrackCueList implements List<TextTrackCue>, JavaScriptIndexingBehavior
     return _Lists.lastIndexOf(this, element, start);
   }
 
-  TextTrackCue get first => this[0];
-
   TextTrackCue get last => this[length - 1];
 
   TextTrackCue removeLast() {
@@ -17746,8 +17715,6 @@ class TextTrackList extends EventTarget implements JavaScriptIndexingBehavior, L
     return _Lists.lastIndexOf(this, element, start);
   }
 
-  TextTrack get first => this[0];
-
   TextTrack get last => this[length - 1];
 
   TextTrack removeLast() {
@@ -17972,8 +17939,6 @@ class TouchList implements JavaScriptIndexingBehavior, List<Touch> native "*Touc
     return _Lists.lastIndexOf(this, element, start);
   }
 
-  Touch get first => this[0];
-
   Touch get last => this[length - 1];
 
   Touch removeLast() {
@@ -18248,8 +18213,6 @@ class Uint16Array extends ArrayBufferView implements JavaScriptIndexingBehavior,
     return _Lists.lastIndexOf(this, element, start);
   }
 
-  int get first => this[0];
-
   int get last => this[length - 1];
 
   int removeLast() {
@@ -18359,8 +18322,6 @@ class Uint32Array extends ArrayBufferView implements JavaScriptIndexingBehavior,
     return _Lists.lastIndexOf(this, element, start);
   }
 
-  int get first => this[0];
-
   int get last => this[length - 1];
 
   int removeLast() {
@@ -18470,8 +18431,6 @@ class Uint8Array extends ArrayBufferView implements JavaScriptIndexingBehavior,
     return _Lists.lastIndexOf(this, element, start);
   }
 
-  int get first => this[0];
-
   int get last => this[length - 1];
 
   int removeLast() {
@@ -20658,8 +20617,6 @@ class _CSSRuleList implements JavaScriptIndexingBehavior, List<CSSRule> native "
     return _Lists.lastIndexOf(this, element, start);
   }
 
-  CSSRule get first => this[0];
-
   CSSRule get last => this[length - 1];
 
   CSSRule removeLast() {
@@ -20757,8 +20714,6 @@ class _CSSValueList extends CSSValue implements List<CSSValue>, JavaScriptIndexi
     return _Lists.lastIndexOf(this, element, start);
   }
 
-  CSSValue get first => this[0];
-
   CSSValue get last => this[length - 1];
 
   CSSValue removeLast() {
@@ -20856,8 +20811,6 @@ class _ClientRectList implements JavaScriptIndexingBehavior, List<ClientRect> na
     return _Lists.lastIndexOf(this, element, start);
   }
 
-  ClientRect get first => this[0];
-
   ClientRect get last => this[length - 1];
 
   ClientRect removeLast() {
@@ -20964,8 +20917,6 @@ class _DOMStringList implements JavaScriptIndexingBehavior, List<String> native
     return _Lists.lastIndexOf(this, element, start);
   }
 
-  String get first => this[0];
-
   String get last => this[length - 1];
 
   String removeLast() {
@@ -21388,8 +21339,6 @@ class _EntryArray implements JavaScriptIndexingBehavior, List<Entry> native "*En
     return _Lists.lastIndexOf(this, element, start);
   }
 
-  Entry get first => this[0];
-
   Entry get last => this[length - 1];
 
   Entry removeLast() {
@@ -21487,8 +21436,6 @@ class _EntryArraySync implements JavaScriptIndexingBehavior, List<EntrySync> nat
     return _Lists.lastIndexOf(this, element, start);
   }
 
-  EntrySync get first => this[0];
-
   EntrySync get last => this[length - 1];
 
   EntrySync removeLast() {
@@ -21595,8 +21542,6 @@ class _FileList implements JavaScriptIndexingBehavior, List<File> native "*FileL
     return _Lists.lastIndexOf(this, element, start);
   }
 
-  File get first => this[0];
-
   File get last => this[length - 1];
 
   File removeLast() {
@@ -21723,8 +21668,6 @@ class _GamepadList implements JavaScriptIndexingBehavior, List<Gamepad> native "
     return _Lists.lastIndexOf(this, element, start);
   }
 
-  Gamepad get first => this[0];
-
   Gamepad get last => this[length - 1];
 
   Gamepad removeLast() {
@@ -21875,8 +21818,6 @@ class _MediaStreamList implements JavaScriptIndexingBehavior, List<MediaStream>
     return _Lists.lastIndexOf(this, element, start);
   }
 
-  MediaStream get first => this[0];
-
   MediaStream get last => this[length - 1];
 
   MediaStream removeLast() {
@@ -22137,8 +22078,6 @@ class _SpeechInputResultList implements JavaScriptIndexingBehavior, List<SpeechI
     return _Lists.lastIndexOf(this, element, start);
   }
 
-  SpeechInputResult get first => this[0];
-
   SpeechInputResult get last => this[length - 1];
 
   SpeechInputResult removeLast() {
@@ -22245,8 +22184,6 @@ class _SpeechRecognitionResultList implements JavaScriptIndexingBehavior, List<S
     return _Lists.lastIndexOf(this, element, start);
   }
 
-  SpeechRecognitionResult get first => this[0];
-
   SpeechRecognitionResult get last => this[length - 1];
 
   SpeechRecognitionResult removeLast() {
@@ -22344,8 +22281,6 @@ class _StyleSheetList implements JavaScriptIndexingBehavior, List<StyleSheet> na
     return _Lists.lastIndexOf(this, element, start);
   }
 
-  StyleSheet get first => this[0];
-
   StyleSheet get last => this[length - 1];
 
   StyleSheet removeLast() {
@@ -22467,8 +22402,6 @@ class _WebKitAnimationList implements JavaScriptIndexingBehavior, List<Animation
     return _Lists.lastIndexOf(this, element, start);
   }
 
-  Animation get first => this[0];
-
   Animation get last => this[length - 1];
 
   Animation removeLast() {
@@ -22845,8 +22778,6 @@ class FilteredElementList implements List {
     return _filtered.lastIndexOf(element, start);
   }
 
-  Element get first => _filtered.first;
-
   Element get last => _filtered.last;
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file