[Android] Linting the rest of build/android/

build/android/adb_profile_chrome.py

 #!/usr/bin/env python
 #
 # Copyright 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.
 
-import base64
 import gzip
 import logging
 import optparse
 import os
 import re
 import select
 import shutil
 import sys
 import threading
 import time
 import webbrowser
 import zipfile
 import zlib
 
 from pylib import android_commands
 from pylib import cmd_helper
 from pylib import constants
 from pylib import pexpect
 
 _TRACE_VIEWER_ROOT = os.path.join(constants.DIR_SOURCE_ROOT,
                                   'third_party', 'trace-viewer')
 sys.path.append(_TRACE_VIEWER_ROOT)
-from trace_viewer.build import trace2html
+from trace_viewer.build import trace2html # pylint: disable=F0401
 
 _DEFAULT_CHROME_CATEGORIES = '_DEFAULT_CHROME_CATEGORIES'
 
 
 def _GetTraceTimestamp():
- return time.strftime('%Y-%m-%d-%H%M%S', time.localtime())
+  return time.strftime('%Y-%m-%d-%H%M%S', time.localtime())
 
 
 class ChromeTracingController(object):
   def __init__(self, adb, package_info, categories, ring_buffer):
     self._adb = adb
     self._package_info = package_info
     self._categories = categories
     self._ring_buffer = ring_buffer
     self._trace_file = None
     self._trace_interval = None
@@ skipping 63 matching lines @@
     self._thread = None
     self._trace_data = None
 
   def __str__(self):
     return 'systrace'
 
   @staticmethod
   def GetCategories(adb):
     return adb.RunShellCommand('atrace --list_categories')
 
-  def StartTracing(self, interval):
+  def StartTracing(self, _):
     self._thread = threading.Thread(target=self._CollectData)
     self._thread.start()
 
   def StopTracing(self):
     self._done.set()
 
   def PullTrace(self):
     self._thread.join()
     self._thread = None
     if self._trace_data:
@@ skipping 225 matching lines @@
 
   browsers = sorted(_GetSupportedBrowsers().keys())
   parser.add_option('-b', '--browser', help='Select among installed browsers. '
                     'One of ' + ', '.join(browsers) + ', "stable" is used by '
                     'default.', type='choice', choices=browsers,
                     default='stable')
   parser.add_option('-v', '--verbose', help='Verbose logging.',
                     action='store_true')
   parser.add_option('-z', '--compress', help='Compress the resulting trace '
                     'with gzip. ', action='store_true')
-  options, args = parser.parse_args()
+  options, _args = parser.parse_args()
   if options.trace_cc:
     parser.parse_error("""--trace-cc is deprecated.
 
 For basic jank busting uses, use  --trace-frame-viewer
 For detailed study of ubercompositor, pass --trace-ubercompositor.
 
 When in doubt, just try out --trace-frame-viewer.
 """)
 
   if options.verbose:
@@ skipping 40 matching lines @@
                                 options.json)
   if options.view:
     if sys.platform == 'darwin':
       os.system('/usr/bin/open %s' % os.path.abspath(result))
     else:
       webbrowser.open(result)
 
 
 if __name__ == '__main__':
   sys.exit(main())