Roll Chrome into Mojo.

tools/vim/chromium.ycm_extra_conf.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.
 
 # Autocompletion config for YouCompleteMe in Chromium.
 #
 # USAGE:
 #
 #   1. Install YCM [https://github.com/Valloric/YouCompleteMe]
 #          (Googlers should check out [go/ycm])
@@ skipping 38 matching lines @@
 
   Use as a workaround for https://github.com/Valloric/YouCompleteMe/issues/303
 
   Returns:
     (List of Strings) Compile flags to append.
   """
   try:
     with open(os.devnull, 'rb') as DEVNULL:
       output = subprocess.check_output(['clang', '-v', '-E', '-x', 'c++', '-'],
                                        stdin=DEVNULL, stderr=subprocess.STDOUT)
-  except (FileNotFoundError, subprocess.CalledProcessError):
+  except:
     return []
   includes_regex = r'#include <\.\.\.> search starts here:\s*' \
                    r'(.*?)End of search list\.'
   includes = re.search(includes_regex, output.decode(), re.DOTALL).group(1)
   flags = []
   for path in includes.splitlines():
     path = path.strip()
     if os.path.isdir(path):
       flags.append('-isystem')
       flags.append(path)
@@ skipping 154 matching lines @@
   """
   chrome_root = FindChromeSrcFromFilename(filename)
   chrome_flags = GetClangCommandFromNinjaForFilename(chrome_root,
                                                      filename)
   final_flags = flags + chrome_flags + _system_include_flags
 
   return {
     'flags': final_flags,
     'do_cache': True
   }