Add commit SHA1 as this information is used to mark issues as dup by perf dashboard

tools/bisect-perf-regression.py

 #!/usr/bin/env python
 # 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.
 
 """Performance Test Bisect Tool
 
 This script bisects a series of changelists using binary search. It starts at
 a bad revision where a performance metric has regressed, and asks for a last
 known-good revision. It will then binary search across this revision range by
@@ skipping 185 matching lines @@
 Relative Change: %(change)s
 Estimated Confidence: %(confidence)d%%"""
 
 # The perf dashboard specifically looks for the string
 # "Author  : " to parse out who to cc on a bug. If you change the
 # formatting here, please update the perf dashboard as well.
 RESULTS_REVISION_INFO = """
 ===== SUSPECTED CL(s) =====
 Subject : %(subject)s
 Author  : %(author)s%(email_info)s%(commit_info)s
+Commit  : %(cl)s
 Date    : %(cl_date)s"""
 
 REPRO_STEPS_LOCAL = """
 ==== INSTRUCTIONS TO REPRODUCE ====
 To run locally:
 $%(command)s"""
 
 REPRO_STEPS_TRYJOB = """
 To reproduce on Performance trybot:
 1. Create new git branch or check out existing branch.
@@ skipping 3151 matching lines @@
     if commit_link:
       commit_info = '\nLink    : %s' % commit_link
     else:
       commit_info = ('\nFailed to parse svn revision from body:\n%s' %
                      info['body'])
     print RESULTS_REVISION_INFO % {
         'subject': info['subject'],
         'author': info['author'],
         'email_info': email_info,
         'commit_info': commit_info,
+        'cl': cl,
         'cl_date': info['date']
         }
 
   def _PrintTableRow(self, column_widths, row_data):
     assert len(column_widths) == len(row_data)
 
     text = ''
     for i in xrange(len(column_widths)):
       current_row_data = row_data[i].center(column_widths[i], ' ')
       text += ('%%%ds' % column_widths[i]) % current_row_data
@@ skipping 757 matching lines @@
       # The perf dashboard scrapes the "results" step in order to comment on
       # bugs. If you change this, please update the perf dashboard as well.
       bisect_utils.OutputAnnotationStepStart('Results')
     print 'Error: %s' % e.message
     if opts.output_buildbot_annotations:
       bisect_utils.OutputAnnotationStepClosed()
   return 1
 
 if __name__ == '__main__':
   sys.exit(main())