Remove "master." when getting master name in rietveld.py.

third_party/WebKit/Tools/Scripts/webkitpy/common/net/rietveld.py

 # Copyright 2016 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.
 
 """Utility functions to communicate with Rietveld."""
 
 import collections
 import json
 import logging
 import urllib2
@@ skipping 23 matching lines @@
             url = _patchset_url(issue_number, patchset_number)
         else:
             url = _latest_patchset_url(issue_number, web)
         patchset_data = _get_json(url, web)
     except (urllib2.URLError, ValueError):
         return []
     jobs = []
     for job in patchset_data['try_job_results']:
         if job['builder'] not in builder_names:
             continue
+        # The master name may be prefixed with "master.", or possibly not;
+        # We want to normalize master name by stripping this prefix.
+        # See http://crbug.com/624545.
+        master_name = job['master']
+        if master_name.startswith('master.'):
+            master_name = master_name[len('master.'):]
         jobs.append(TryJob(
             builder_name=job['builder'],
-            master_name=job['master'],
+            master_name=master_name,
             build_number=job['buildnumber']))
     return jobs
 
 
 def _latest_patchset_url(issue_number, web):
     issue_data = _get_json(_issue_url(issue_number), web)
     latest_patchset_number = issue_data["patchsets"][-1]
     return _patchset_url(issue_number, latest_patchset_number)
 
 
@@ skipping 24 matching lines @@
     return '%s/%s' % (_issue_url(issue_number), patchset_number)
 
 
 def get_latest_try_job_results(issue_number, web):
     url = _latest_patchset_url(issue_number, web)
     patchset_data = _get_json(url, web)
     results = {}
     for job in patchset_data['try_job_results']:
         results[job['builder']] = job['result']
     return results