Reapply the expanded names with the correct form of requestFileSystem on the

tools/dom/templates/html/dart2js/impl_WorkerContext.darttemplate

Index: tools/dom/templates/html/dart2js/impl_WorkerContext.darttemplate
diff --git a/tools/dom/templates/html/dart2js/impl_WorkerContext.darttemplate b/tools/dom/templates/html/dart2js/impl_WorkerContext.darttemplate
deleted file mode 100644
index 27275bf5afa5af54c3201fc7521a6be186ba7ce7..0000000000000000000000000000000000000000
--- a/tools/dom/templates/html/dart2js/impl_WorkerContext.darttemplate
+++ /dev/null
@@ -1,24 +0,0 @@
-// 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 {
-$!MEMBERS
-
-  /**
-   * Gets an instance of the Indexed DB factory to being using Indexed DB.
-   *
-   * Use [IdbFactory.supported] to check if Indexed DB is supported on the
-   * current platform.
-   */
-  @SupportedBrowser(SupportedBrowser.CHROME, '23.0')
-  @SupportedBrowser(SupportedBrowser.FIREFOX, '15.0')
-  @SupportedBrowser(SupportedBrowser.IE, '10.0')
-  @Experimental
-  IdbFactory get indexedDB =>
-      JS('IdbFactory',
-         '#.indexedDB || #.webkitIndexedDB || #.mozIndexedDB',
-         this, this, this);
-}