Add some ArgumentError and RangeError constructors that capture more information.

sdk/lib/web_sql/dartium/web_sql_dartium.dart

 /**
  * An API for storing data in the browser that can be queried with SQL.
  *
  * **Caution:** this specification is no longer actively maintained by the Web
  * Applications Working Group and may be removed at any time.
  * See [the W3C Web SQL Database specification](http://www.w3.org/TR/webdatabase/)
  * for more information.
  *
  * The [dart:indexed_db] APIs is a recommended alternatives.
  */
@@ skipping 234 matching lines @@
 class SqlResultSetRowList extends NativeFieldWrapperClass2 with ListMixin<Map>, ImmutableListMixin<Map> implements List<Map> {
   // To suppress missing implicit constructor warnings.
   factory SqlResultSetRowList._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SQLResultSetRowList.length')
   @DocsEditable()
   int get length => _blink.BlinkSQLResultSetRowList.instance.length_Getter_(this);
 
   Map operator[](int index) {
     if (index < 0 || index >= length)
-      throw new RangeError.range(index, 0, length);
+      throw new RangeError.index(index, this);
     return _blink.BlinkSQLResultSetRowList.instance.item_Callback_1_(this, index);
   }
 
   Map _nativeIndexedGetter(int index) => _blink.BlinkSQLResultSetRowList.instance.item_Callback_1_(this, index);
 
   void operator[]=(int index, Map value) {
     throw new UnsupportedError("Cannot assign element of immutable List.");
   }
   // -- start List<Map> mixins.
   // Map is the element type.
@@ skipping 70 matching lines @@
 @SupportedBrowser(SupportedBrowser.CHROME)
 @SupportedBrowser(SupportedBrowser.SAFARI)
 @Experimental()
 // http://www.w3.org/TR/webdatabase/#sqltransactionsync
 @Experimental() // deprecated
 abstract class _SQLTransactionSync extends NativeFieldWrapperClass2 {
   // To suppress missing implicit constructor warnings.
   factory _SQLTransactionSync._() { throw new UnsupportedError("Not supported"); }
 
 }