🎄 Fix resource_sizes.py when no pak files exist.

build/android/resource_sizes.py

 #!/usr/bin/python
 # Copyright (c) 2011 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.
 
 """Prints the size of each given file and optionally computes the size of
    libchrome.so without the dependencies added for building with android NDK.
    Also breaks down the contents of the APK to determine the installed size
    and assign size contributions to different classes of file.
 """
@@ skipping 166 matching lines @@
     self._extracted = []
 
   def AddZipInfo(self, zip_info, extracted=False):
     self._zip_infos.append(zip_info)
     self._extracted.append(extracted)
 
   def GetNumEntries(self):
     return len(self._zip_infos)
 
   def FindByPattern(self, pattern):
-    return next(i for i in self._zip_infos if re.match(pattern, i.filename))
+    return next((i for i in self._zip_infos if re.match(pattern, i.filename)),
+                None)
 
   def FindLargest(self):
     return max(self._zip_infos, key=lambda i: i.file_size)
 
   def ComputeZippedSize(self):
     return sum(i.compress_size for i in self._zip_infos)
 
   def ComputeUncompressedSize(self):
     return sum(i.file_size for i in self._zip_infos)
 
@@ skipping 391 matching lines @@
 
   if chartjson:
     results_path = os.path.join(options.output_dir, 'results-chart.json')
     logging.critical('Dumping json to %s', results_path)
     with open(results_path, 'w') as json_file:
       json.dump(chartjson, json_file)
 
 
 if __name__ == '__main__':
   sys.exit(main(sys.argv))