Dart: Moves |native| methods to patch files.

mojo/public/tools/dart_analyze.py

 #!/usr/bin/python
 # Copyright 2015 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.
 
 # To integrate dartanalyze with out build system, we take an input file, run
 # the analyzer on it, and write a stamp file if it passed.
 #
 # The first argument to this script is a reference to this build's gen
 # directory, which we treat as the package root. The second is the stamp file
@@ skipping 29 matching lines @@
     subprocess.check_output(cmd, shell=False, stderr=subprocess.STDOUT)
   except subprocess.CalledProcessError as e:
     # Perform post processing on the output. Filter out non-error messages and
     # known problem patterns that we're working on.
     raw_lines = e.output.split('\n')
     # Remove the last empty line
     raw_lines.pop()
     filtered_lines = [i for i in raw_lines if (
       not re.match(_ANALYZING_PATTERN, i) and
       not re.match(_FINAL_REPORT_PATTERN, i) and
-      # TODO(erg): Remove the rest of these as fixes land:
-      not re.match(_WARNING_PATTERN, i) and
-      not re.match(_NATIVE_ERROR_PATTERN, i) and
-      not re.match(_THAT_ONE_BROKEN_CLOSE_IN_WEB_SOCKETS_PATTERN, i))]
+      # TODO(zra, erg): Fix warnings.
+      not re.match(_WARNING_PATTERN, i))]
     for line in filtered_lines:
       passed = False
       print >> sys.stderr, line
 
   if passed:
     # We passed cleanly, so touch the stamp file so that we don't run again.
     with open(stamp_file, 'a'):
       os.utime(stamp_file, None)
     return 0
   else:
     return -2
 
 if __name__ == '__main__':
   sys.exit(main(sys.argv[1:]))