[Mac] Use the app's version as the app shim bundle version.

chrome/browser/web_applications/web_app.h

 // Copyright (c) 2012 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_WEB_APPLICATIONS_WEB_APP_H_
 #define CHROME_BROWSER_WEB_APPLICATIONS_WEB_APP_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 34 matching lines @@
   // and the launch url will be detected at start-up. In this case, |url|
   // is still used to generate the app id (windows app id, not chrome app id).
   std::string extension_id;
   bool is_platform_app;
   base::string16 title;
   base::string16 description;
   base::FilePath extension_path;
   gfx::ImageFamily favicon;
   base::FilePath profile_path;
   std::string profile_name;
+  std::string version_for_display;
 };
 
 // This specifies a folder in the system applications menu (e.g the Start Menu
 // on Windows).
 //
 // These represent the applications menu root, the "Google Chrome" folder and
 // the "Chrome Apps" folder respectively.
 //
 // APP_MENU_LOCATION_HIDDEN specifies a shortcut that is used to register the
 // app with the OS (in order to give its windows shelf icons, and correct icons
@@ skipping 199 matching lines @@
 
 // Sanitizes |name| and returns a version of it that is safe to use as an
 // on-disk file name .
 base::FilePath GetSanitizedFileName(const base::string16& name);
 
 }  // namespace internals
 
 }  // namespace web_app
 
 #endif  // CHROME_BROWSER_WEB_APPLICATIONS_WEB_APP_H_