Add setAll, insertAll, replaceRange and fillRange.

sdk/lib/_internal/compiler/implementation/lib/js_array.dart

Index: sdk/lib/_internal/compiler/implementation/lib/js_array.dart
diff --git a/sdk/lib/_internal/compiler/implementation/lib/js_array.dart b/sdk/lib/_internal/compiler/implementation/lib/js_array.dart
index b82e58afaeda320e485a2d4a031feac6468f326a..ca0121023bfcd4a72404812291d3062c69eb269b 100644
--- a/sdk/lib/_internal/compiler/implementation/lib/js_array.dart
+++ b/sdk/lib/_internal/compiler/implementation/lib/js_array.dart
@@ -36,6 +36,16 @@ class JSArray<E> extends Interceptor implements List<E>, JSIndexable {
     JS('void', r'#.splice(#, 0, #)', this, index, value);
   }
 
+  void insertAll(int index, Iterable<E> iterable) {
+    checkGrowable(this, 'insertAll');
+    IterableMixinWorkaround.insertAllList(this, index, iterable);
+  }
+
+  void setAll(int index, Iterable<E> iterable) {
+    checkMutable(this, 'setAll');
+    IterableMixinWorkaround.setAllList(this, index, iterable);
+  }
+
   E removeLast() {
     checkGrowable(this, 'removeLast');
     if (length == 0) throw new RangeError.value(-1);
@@ -198,6 +208,16 @@ class JSArray<E> extends Interceptor implements List<E>, JSIndexable {
     IterableMixinWorkaround.setRangeList(this, start, end, iterable, skipCount);
   }
 
+  void fillRange(int start, int end, [E fillValue]) {
+    checkMutable(this, 'fill range');
+    IterableMixinWorkaround.fillRangeList(this, start, end, fillValue);
+  }
+
+  void replaceRange(int start, int end, Iterable<E> iterable) {
+    checkGrowable(this, 'removeRange');
+    IterableMixinWorkaround.replaceRangeList(this, start, end, iterable);
+  }
+
   bool any(bool f(E element)) => IterableMixinWorkaround.any(this, f);
 
   bool every(bool f(E element)) => IterableMixinWorkaround.every(this, f);