Initial commit of generated dart:chrome app_window and app_runtime

tools/dom/templates/html/dart2js/chrome_dart2js.darttemplate

Index: tools/dom/templates/html/dart2js/chrome_dart2js.darttemplate
diff --git a/tools/dom/templates/html/dart2js/chrome_dart2js.darttemplate b/tools/dom/templates/html/dart2js/chrome_dart2js.darttemplate
index 56dec809050182bcf114b05a695045042c32597d..1752434f387cb37040c12de4a8f99f693b6f4a79 100644
--- a/tools/dom/templates/html/dart2js/chrome_dart2js.darttemplate
+++ b/tools/dom/templates/html/dart2js/chrome_dart2js.darttemplate
@@ -1,3 +1,4 @@
+
 // Copyright (c) 2013, 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.
@@ -5,14 +6,24 @@
 // DO NOT EDIT
 // Auto-generated dart:chrome library.
 
+/// Native wrappers for the Chrome Packaged App APIs.
+///
+/// These functions allow direct access to the Packaged App APIs, allowing
+/// Chrome Packaged Apps to be written using Dart.
+///
+/// For more information on these APIs, see the Chrome.* APIs Documentation:
+///   http://developer.chrome.com/extensions/api_index.html
 library chrome;
 
 import 'dart:_foreign_helper' show JS;
+/* TODO(sashab): Add "show convertDartClosureToJS" once 'show' works. */
+import 'dart:_js_helper';
 import 'dart:html_common';
 import 'dart:html';
 
 part "$AUXILIARY_DIR/chrome/utils.dart";
 part "$AUXILIARY_DIR/chrome/chrome.dart";
-part "$AUXILIARY_DIR/chrome/app.runtime.dart";
-part "$AUXILIARY_DIR/chrome/app.window.dart";
 
+// Generated files below this line.
+part "$AUXILIARY_DIR/chrome/app_window.dart";
+part "$AUXILIARY_DIR/chrome/app_runtime.dart";