Change new List(n) to return fixed length list.

tests/compiler/dart2js/value_range_test.dart

Index: tests/compiler/dart2js/value_range_test.dart
diff --git a/tests/compiler/dart2js/value_range_test.dart b/tests/compiler/dart2js/value_range_test.dart
index fdf0b6b0fdb588e9f99693ad6bfd918c7b629eca..e1bfe7323f8c37bf41db6e3734de99419b5a3f0c 100644
--- a/tests/compiler/dart2js/value_range_test.dart
+++ b/tests/compiler/dart2js/value_range_test.dart
@@ -40,7 +40,7 @@ ABOVE_ZERO,
 main(check) {
   // Make sure value is an int.
   var value = check ? 42 : 54;
-  var a = new List.fixedLength(value);
+  var a = new List(value);
   var sum = 0;
   for (int i = 0; i < value; i++) {
     sum += a[i];
@@ -68,7 +68,7 @@ KEPT,
 
 """
 main() {
-  var a = new List.fixedLength(4);
+  var a = new List(4);
   return a[0];
 }
 """,
@@ -76,7 +76,7 @@ REMOVED,
 
 """
 main() {
-  var a = new List.fixedLength(4);
+  var a = new List(4);
   return a.removeLast();
 }
 """,
@@ -84,7 +84,7 @@ REMOVED,
 
 """
 main(value) {
-  var a = new List.fixedLength(value);
+  var a = new List(value);
   return a[value];
 }
 """,
@@ -92,7 +92,7 @@ KEPT,
 
 """
 main(value) {
-  var a = new List.fixedLength(1024);
+  var a = new List(1024);
   return a[1023 & value];
 }
 """,
@@ -100,7 +100,7 @@ REMOVED,
 
 """
 main(value) {
-  var a = new List.fixedLength(1024);
+  var a = new List(1024);
   return a[1024 & value];
 }
 """,
@@ -212,8 +212,8 @@ const String DEFAULT_CORELIB_WITH_LIST_INTERFACE = r'''
   class Type {}
   class Function {}
   class List {
-    List();
-    List.fixedLength(length);
+    List([int length]);
+    List.filled(int length, fill);
   }
   abstract class Map {}
   class Closure {}