Added support to listen on Network.responseReceived and expose that through tab.py

tools/telemetry/telemetry/core/web_contents.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.
 
 from telemetry.core import util
 
 DEFAULT_WEB_CONTENTS_TIMEOUT = 90
 
 # TODO(achuith, dtu, nduca): Add unit tests specifically for WebContents,
 # independent of Tab.
@@ skipping 67 matching lines @@
     return self._inspector_backend.message_output_stream
 
   @message_output_stream.setter
   def message_output_stream(self, stream):
     self._inspector_backend.message_output_stream = stream
 
   @property
   def timeline_model(self):
     return self._inspector_backend.timeline_model
 
-  def StartTimelineRecording(self):
-    self._inspector_backend.StartTimelineRecording()
+  def StartTimelineRecording(self, options=None):
+    self._inspector_backend.StartTimelineRecording(options)
 
   def StopTimelineRecording(self):
     self._inspector_backend.StopTimelineRecording()
 
   def TakeJSHeapSnapshot(self, timeout=120):
     return self._inspector_backend.TakeJSHeapSnapshot(timeout)