Vulcanize MD History to improve page-load performance

third_party/polymer/v1_0/find_unused_elements.py

 #!/usr/bin/python2
 
 # Copyright 2016 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.
 
 """Identifies Polymer elements that downloaded but not used by Chrome.
 
 Only finds "first-order" unused elements; re-run after removing unused elements
 to check if other elements have become unused.
@@ skipping 118 matching lines @@
         # Ignore the element's own files.
         if dirpath.startswith(os.path.join(
             self.__COMPONENTS_DIR, element_dir)):
           continue
 
         for filename in filenames:
           if not filename.endswith('.html') and not filename.endswith('.js'):
             continue
 
           # Skip generated files that may include the element source.
-          if filename in ('crisper.js', 'vulcanized.html'):
+          if filename in ('crisper.js', 'vulcanized.html',
+                          'app.crisper.js', 'app.vulcanized.html'):
             continue
 
           with open(os.path.join(dirpath, filename)) as f:
             text = f.read()
           if not re.search('/%s/' % element_dir, text):
             continue
 
           # Check the file again, ignoring comments (e.g. example imports and
           # scripts).
           if re.search('/%s' % element_dir,
                        self.__StripComments(
                          os.path.join(dirpath, filename))):
             return True
     return False
 
 
 if __name__ == '__main__':
   UnusedElementsDetector().Run()