Update comments in bisect/perf bot config file.

tools/run-perf-test.cfg

 # 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.
 
 """Config file for Run Performance Test Bot
 
 This script is intended for use by anyone that wants to run a remote performance
 test. Modify the config below and add the command to run the performance test,
 the metric you're interested in, and repeat/discard parameters. You can then
 run a git try <bot>.
@@ skipping 11 matching lines @@
 
       The metric name is "<graph>/<trace>".
   'repeat_count': The number of times to repeat the performance test.
   'max_time_minutes': The script will attempt to run the performance test
       "repeat_count" times, unless it exceeds "max_time_minutes".
   'truncate_percent': Discard the highest/lowest % values from performance test.
 
 Sample config:
 
 config = {
-  'command': './out/Release/performance_ui_tests' +
-      ' --gtest_filter=PageCyclerTest.Intl1File',
-  'metric': 'times/t',
+  'command': './tools/perf/run_measurement --browser=release blink_perf third_party/WebKit/PerformanceTests/Layout/floats_50_100.html',
+  'metric': 'floats_50_100/floats_50_100',
   'repeat_count': '20',
   'max_time_minutes': '20',
   'truncate_percent': '25',
 }
 
 On Windows:
   - If you're calling a python script you will need to add "python" to
 the command:
 
 config = {
@@ skipping 24 matching lines @@
 
 config = {
   'command': '',
   'metric': '',
   'repeat_count': '',
   'max_time_minutes': '',
   'truncate_percent': '',
 }
 
 # Workaround git try issue, see crbug.com/257689