Remove insertRange.

sdk/lib/web_sql/dartium/web_sql_dartium.dart

Index: sdk/lib/web_sql/dartium/web_sql_dartium.dart
diff --git a/sdk/lib/web_sql/dartium/web_sql_dartium.dart b/sdk/lib/web_sql/dartium/web_sql_dartium.dart
index a3057e9f64cb3c66b8114c10fc733327b1476818..21bcdbbf476f28517b6a999c39d2086f7ee20365 100644
--- a/sdk/lib/web_sql/dartium/web_sql_dartium.dart
+++ b/sdk/lib/web_sql/dartium/web_sql_dartium.dart
@@ -385,14 +385,10 @@ class SqlResultSetRowList extends NativeFieldWrapperClass1 implements List<Map>
     throw new UnsupportedError("Cannot setRange on immutable List.");
   }
 
-  void removeRange(int start, int rangeLength) {
+  void removeRange(int start, int end) {
     throw new UnsupportedError("Cannot removeRange on immutable List.");
   }
 
-  void insertRange(int start, int rangeLength, [Map initialValue]) {
-    throw new UnsupportedError("Cannot insertRange on immutable List.");
-  }
-
   Iterable<Map> getRange(int start, int end) =>
     IterableMixinWorkaround.getRangeList(this, start, end);