[chrome_remote_control] Add pylint to PRESUMMIT and fix lint

tools/chrome_remote_control/chrome_remote_control/page_runner.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.
 import logging
 import os
 import time
 import traceback
 import urlparse
 
 from chrome_remote_control import page_test
@@ skipping 51 matching lines @@
 
   def Close(self):
     if self._server:
       self._server.Close()
       self._server = None
 
   def PreparePage(self, page, tab):
     parsed_url = urlparse.urlparse(page.url)
     if parsed_url[0] == 'file':
       path = os.path.join(os.path.dirname(self.page_set.file_path),
-                          parsed_url[1])
+                          parsed_url.netloc) # pylint: disable=E1101
       dirname, filename = os.path.split(path)
       if self._server and self._server.path != dirname:
         self._server.Close()
         self._server = None
       if not self._server:
         self._server = tab.browser.CreateTemporaryHTTPServer(dirname)
       page.url = self._server.UrlOf(filename)
 
     tab.page.Navigate(page.url)
     # TODO(dtu): Detect HTTP redirects.
     if page.wait_time_after_navigate:
       # Wait for unpredictable redirects.
       time.sleep(page.wait_time_after_navigate)
     tab.WaitForDocumentReadyStateToBeInteractiveOrBetter()
 
   def CleanUpPage(self):
     pass