Backport analyzer-experimental changes to 'resources'.

editor/util/plugins/com.google.dart.java2dart/resources/java_core.dart

 library java.core;
 
 import "dart:math" as math;
 import "dart:uri";
+import "dart:collection" show ListBase;
 
 class JavaSystem {
   static int currentTimeMillis() {
     return (new DateTime.now()).millisecondsSinceEpoch;
   }
 
   static void arraycopy(List src, int srcPos, List dest, int destPos, int length) {
     for (int i = 0; i < length; i++) {
       dest[destPos + i] = src[srcPos + i];
     }
@@ skipping 254 matching lines @@
   }
 
   void operator []=(int index, E value) {
     elements[index] = value;
   }
 
   void set length(int newLength) {
     elements.length = newLength;
   }
 
+  int get length => elements.length;
+
   void add(E value) {
     elements.add(value);
   }
 
+  void addLast(E value) {
+    elements.add(value);
+  }
+
   void addAll(Iterable<E> iterable) {
     elements.addAll(iterable);
   }
 
   void sort([int compare(E a, E b)]) {
     elements.sort(compare);
   }
 
   int indexOf(E element, [int start = 0]) {
     return elements.indexOf(element, start);
@@ skipping 20 matching lines @@
   }
 
   E removeLast() {
     return elements.removeLast();
   }
 
   Iterable<E> get reversed => elements.reversed;
 
   List<E> sublist(int start, [int end]) => elements.sublist(start, end);
 
-  Iterable<E> getRange(int start, int end) => elements.getRange(start, end);
+  List<E> getRange(int start, int length) => sublist(start, start + length);
 
   void setRange(int start, int length, List<E> from, [int startFrom]) {
     elements.setRange(start, length, from, startFrom);
   }
 
   void removeRange(int start, int length) {
     elements.removeRange(start, length);
   }
 
   void insertRange(int start, int length, [E fill]) {
@@ skipping 27 matching lines @@
     _coPos++;
     _elPos++;
     return _current;
   }
 
   void remove() {
     if (_iterable is List) {
       _coPos--;
       (_iterable as List).remove(_coPos);
     } else if (_iterable is Set) {
-      _iterable.remove(_current);
+      (_iterable as Set).remove(_current);
     } else {
       throw new StateError("Unsupported iterable ${_iterable.runtimeType}");
     }
   }
 }
 
 class MapEntry<K, V> {
   K _key;
   V _value;
   MapEntry(this._key, this._value);
@@ skipping 51 matching lines @@
       }
     } else if (sb.length > newLength) {
       var s = sb.toString().substring(0, newLength);
       sb = new StringBuffer(s);
     }
   }
   void clear() {
     sb = new StringBuffer();
   }
 }