Dartifying remainder of Index DB APIs.

tools/dom/templates/html/impl/impl_IDBFactory.darttemplate

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 part of $LIBRARYNAME;
 
 $(ANNOTATIONS)class $CLASSNAME$EXTENDS$IMPLEMENTS$NATIVESPEC {
   /**
    * Checks to see if Indexed DB is supported on the current platform.
    */
@@ skipping 44 matching lines @@
 
       if (onBlocked != null) {
         request.onBlocked.listen(onBlocked);
       }
       return _completeRequest(request);
     } catch (e, stacktrace) {
       return new Future.immediateError(e, stacktrace);
     }
   }
 
+  @DomName('IDBFactory.getDatabaseNames')
+  @SupportedBrowser(SupportedBrowser.CHROME)
+  @Experimental
+  Future<List<String>> getDatabaseNames() {
+    try {
+      var request = $dom_webkitGetDatabaseNames();
+
+      return _completeRequest(request);
+    } catch (e, stacktrace) {
+      return new Future.immediateError(e, stacktrace);
+    }
+  }
+
+  /**
+   * Checks to see if getDatabaseNames is supported by the current platform.
+   */
+  bool get supportsDatabaseNames {
+$if DART2JS
+    return JS('bool', '!!(#.getDatabaseNames || #.webkitGetDatabaseNames)',
+        this, this);
+$else
+    return true;
+$endif
+  }
+
 $!MEMBERS
 }
 
 
 /**
  * Ties a request to a completer, so the completer is completed when it succeeds
  * and errors out when the request errors.
  */
 Future _completeRequest(Request request) {
   var completer = new Completer();
   // TODO: make sure that completer.complete is synchronous as transactions
   // may be committed if the result is not processed immediately.
   request.onSuccess.listen((e) {
     completer.complete(request.result);
   });
   request.onError.listen((e) {
     completer.completeError(e);
   });
   return completer.future;
 }