[chrome_remote_control] Add pylint to PRESUMMIT and fix lint

tools/chrome_remote_control/chrome_remote_control/inspector_runtime.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.
 class EvaluateException(Exception):
   pass
 
 class InspectorRuntime(object):
   def __init__(self, inspector_backend):
     self._inspector_backend = inspector_backend
     self._inspector_backend.RegisterDomain(
         'Runtime',
         self._OnNotification,
         self._OnClose)
 
   def _OnNotification(self, msg):
     pass
 
   def _OnClose(self):
     pass
 
   def Execute(self, expr, timeout=60):
     """Executes expr in javascript. Does not return the result.
 
     If the expression failed to evaluate, EvaluateException will be raised.
     """
-    self.Evaluate(expr + '; 0;', timeout=60)
+    self.Evaluate(expr + '; 0;', timeout)
 
   def Evaluate(self, expr, timeout=60):
     """Evalutes expr in javascript and returns the JSONized result.
 
     Consider using Execute for cases where the result of the expression is not
     needed.
 
     If evaluation throws in javascript, a python EvaluateException will
     be raised.
 
@@ skipping 11 matching lines @@
     if 'error' in res:
       raise EvaluateException(res['error']['message'])
 
     if 'wasThrown' in res['result'] and res['result']['wasThrown']:
       # TODO(nduca): propagate stacks from javascript up to the python
       # exception.
       raise EvaluateException(res['result']['result']['description'])
     if res['result']['result']['type'] == 'undefined':
       return None
     return res['result']['result']['value']