Issue 4719 - Edge packager does not generate an info module

packagerEdge.py

 # This Source Code Form is subject to the terms of the Mozilla Public
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
 import base64
 import hashlib
 import json
 import mimetypes
 import os
 import zipfile
@@ skipping 160 matching lines @@
 
     files['manifest.json'] = packagerChrome.createManifest(params, files)
 
     if devenv:
         import buildtools
         import random
         files.read(os.path.join(buildtools.__path__[0],
                    'chromeDevenvPoller__.js'), relpath='devenvPoller__.js')
         files['devenvVersion__'] = str(random.random())
 
+    if metadata.has_option('general', 'backgroundScripts'):
+        bg_scripts = metadata.get('general', 'backgroundScripts').split()
+        if 'lib/info.js' in bg_scripts and 'lib/info.js' not in files:
+            files['lib/info.js'] = packagerChrome.createInfoModule(params)
+
     move_files_to_extension(files)
 
     if metadata.has_section('appx_assets'):
         for name, path in metadata.items('appx_assets'):
             path = os.path.join(baseDir, path)
             files.read(path, '{}/{}'.format(ASSETS_DIR, name))
 
     files[MANIFEST] = create_appx_manifest(params, files, releaseBuild)
     files[BLOCKMAP] = create_appx_blockmap(files)
     files[CONTENT_TYPES] = create_content_types_map(files.keys() + [BLOCKMAP])
 
     files.zip(outfile, compression=zipfile.ZIP_STORED)