Check more file types for Win-style line endings in PRESUBMIT.py

PRESUBMIT.py

 # 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.
 
 """Top-level presubmit script for Chromium.
 
 See http://dev.chromium.org/developers/how-tos/depottools/presubmit-scripts
 for more details about the presubmit API built into depot_tools.
 """
 
@@ skipping 1625 matching lines @@
     return [output_api.PresubmitPromptWarning(
         _IPC_ENUM_TRAITS_DEPRECATED, problems)]
   else:
     return []
 
 
 def _CheckForWindowsLineEndings(input_api, output_api):
   """Check source code and known ascii text files for Windows style line
   endings.
   """
-  known_text_files = r'.*\.(txt|html|htm|mhtml|py)$'
+  known_text_files = r'.*\.(txt|html|htm|mhtml|py|gyp|gypi|gn|isolate)$'
 
   file_inclusion_pattern = (
     known_text_files,
     r'.+%s' % _IMPLEMENTATION_EXTENSIONS
   )
 
   filter = lambda f: input_api.FilterSourceFile(
     f, white_list=file_inclusion_pattern, black_list=None)
   files = [f.LocalPath() for f in
            input_api.AffectedSourceFiles(filter)]
@@ skipping 100 matching lines @@
     # Explicitly iterate over copies of dicts since we mutate them.
     for master in builders.keys():
       for builder in builders[master].keys():
         # Do not trigger presubmit builders, since they're likely to fail
         # (e.g. OWNERS checks before finished code review), and we're
         # running local presubmit anyway.
         if 'presubmit' in builder:
           builders[master].pop(builder)
 
   return builders