Perf bisect for bug 425204 on behalf of ernstm@google.com

tools/auto_bisect/bisect.cfg

 # 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.
 
 """Config file read by run-bisect-perf-regression.py.
 
 This script is intended for use by anyone that wants to run a remote bisection
 on a range of revisions to look for a performance regression. Modify the config
 below and add the revision range, performance command, and metric. You can then
 run a git try <bot>.
@@ skipping 41 matching lines @@
 config = {
   'command': ('./tools/perf/run_benchmark -v --browser=cros-chrome-guest '
               'smoothness.key_mobile_sites')
   'good_revision': '4086.0.0',
   'bad_revision': '4087.0.0',
   'metric': 'mean_frame_time/mean_frame_time',
 }
 """
 
 config = {
-  'command': '',
-  'good_revision': '',
-  'bad_revision': '',
-  'metric': '',
-  'repeat_count': '',
-  'max_time_minutes': '',
-  'truncate_percent': '',
+  'command': 'tools/perf/run_benchmark -v --browser=android-chrome-shell smoothness.key_mobile_sites',
+  'good_revision': '296210',
+  'bad_revision': '296495',
+  'metric': 'avg_surface_fps/https___facebook.com_barackobama',
+  'repeat_count': '20',
+  'max_time_minutes': '20',
+  'truncate_percent': '25',
+  'bug_id': '425204', 
+  'gs_bucket': 'chrome-perf',
+  'builder_host': 'master4.golo.chromium.org',
+  'builder_port': '8341',
 }
 
 # Workaround git try issue, see crbug.com/257689