[Android] Add documentation for lint.

build/android/gyp/lint.py

 #!/usr/bin/env python
 #
 # Copyright (c) 2013 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.
 
 """Runs Android's lint tool."""
 
 
 import argparse
 import os
 import re
 import sys
 import traceback
 from xml.dom import minidom
 
 from util import build_utils
 
-
+_LINT_MD_URL = 'https://chromium.googlesource.com/chromium/src/+/master/build/android/docs/lint.md' # pylint: disable=line-too-long
 _SRC_ROOT = os.path.abspath(os.path.join(os.path.dirname(__file__),
                                          '..', '..', '..'))
 
 
 def _OnStaleMd5(lint_path, config_path, processed_config_path,
                 manifest_path, result_path, product_dir, sources, jar_path,
                 cache_dir, android_sdk_version, resource_dir=None,
                 classpath=None, can_fail_build=False, silent=False):
   def _RelativizePath(path):
     """Returns relative path to top-level src dir.
@@ skipping 159 matching lines @@
       except Exception: # pylint: disable=broad-except
         if not silent:
           print 'Lint created unparseable xml file...'
           print 'File contents:'
           with open(result_path) as f:
             print f.read()
         raise
 
       _ProcessResultFile()
       msg = ('\nLint found %d new issues.\n'
-             ' - For full explanation refer to %s\n' %
+             ' - For full explanation, please refer to %s\n'
+             ' - For more information about lint and how to fix lint issues,'
+             ' please refer to %s\n' %
              (num_issues,
-              _RelativizePath(result_path)))
-      if config_path:
-        msg += (' - Wanna suppress these issues?\n'
-                '    1. Read comment in %s\n'
-                '    2. Run "python %s %s"\n' %
-                (_RelativizePath(config_path),
-                 _RelativizePath(os.path.join(_SRC_ROOT, 'build', 'android',
-                                              'lint', 'suppress.py')),
-                 _RelativizePath(result_path)))
+              _RelativizePath(result_path),
+              _LINT_MD_URL))
       if not silent:
         print >> sys.stderr, msg
       if can_fail_build:
         raise Exception('Lint failed.')
 
 
 def main():
   parser = argparse.ArgumentParser()
   build_utils.AddDepfileOption(parser)
 
@@ skipping 97 matching lines @@
                             silent=args.silent),
         args,
         input_paths=input_paths,
         input_strings=input_strings,
         output_paths=output_paths,
         depfile_deps=classpath)
 
 
 if __name__ == '__main__':
   sys.exit(main())