Add a function to create a bookmark app from a WebApplicationInfo.

chrome/browser/extensions/bookmark_app_helper.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_BOOKMARK_APP_HELPER_H_
 #define CHROME_BROWSER_EXTENSIONS_BOOKMARK_APP_HELPER_H_
 
 #include <map>
 #include <set>
 #include <vector>
@@ skipping 70 matching lines @@
   // Downloads icons from the given WebApplicationInfo using the given
   // WebContents.
   scoped_ptr<FaviconDownloader> favicon_downloader_;
 
   // Used to install the created bookmark app.
   scoped_refptr<extensions::CrxInstaller> crx_installer_;
 
   content::NotificationRegistrar registrar_;
 };
 
+// Creates or updates a bookmark app from the given |web_app_info|. Icons will
+// not be downloaded so only supplied icon data will be used.
+void CreateOrUpdateBookmarkApp(ExtensionService* service,
+                               WebApplicationInfo& web_app_info);
+
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_BOOKMARK_APP_HELPER_H_