[chromedriver] Fix mobile device embedding script

chrome/test/chromedriver/embed_mobile_devices_in_cpp.py

 #!/usr/bin/env python
 # 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.
 
 """Embeds standalone JavaScript snippets in C++ code.
 
 The script requires the OverridesView file from WebKit that lists the known
 mobile devices to be passed in as the only argument. The list of known devices
 will be written to a C-style string to be parsed with JSONReader.
 """
 
 import optparse
 import os
+import re
 import sys
 
 import cpp_source
 
 
+def quotizeKeys(s, keys):
+  """Returns the string s with each instance of each key wrapped in quotes.
+
+  Args:
+    s: a string containing keys that need to be wrapped in quotes.
+    keys: an iterable of keys to be wrapped in quotes in the string.
+  """
+  for key in keys:
+    s = re.sub('%s: ' % key, '"%s": ' % key, s)
+  return s
+
+
 def main():
   parser = optparse.OptionParser()
   parser.add_option(
       '', '--directory', type='string', default='.',
       help='Path to directory where the cc/h files should be created')
   options, args = parser.parse_args()
 
   devices = '['
   file_name = args[0]
   inside_list = False
   with open(file_name, 'r') as f:
     for line in f:
       if not inside_list:
-        if 'WebInspector.OverridesUI._phones = [' in line or \
-           'WebInspector.OverridesUI._tablets = [' in line:
+        if 'WebInspector.OverridesUI._phones = [' in line:
+          inside_list = True
+        if 'WebInspector.OverridesUI._tablets = [' in line:
+          devices += ','
           inside_list = True
       else:
         if line.strip() == '];':
           inside_list = False
           continue
         devices += line.strip()
 
   devices += ']'
+  devices = quotizeKeys(devices,
+                        ['title', 'width', 'height', 'deviceScaleFactor',
+                         'userAgent', 'touch', 'mobile'])
   cpp_source.WriteSource('mobile_device_list',
                          'chrome/test/chromedriver/chrome',
                          options.directory, {'kMobileDevices': devices})
 
 
 if __name__ == '__main__':
   sys.exit(main())