Change rebaseline-cl and wpt-import to add master name when triggering jobs.

third_party/WebKit/Tools/Scripts/webkitpy/w3c/test_importer.py

 # Copyright 2014 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.
 
 """Fetches a copy of the latest state of a W3C test repository and commits.
 
 If this script is given the argument --auto-update, it will also:
  1. Upload a CL.
  2. Trigger try jobs and wait for them to complete.
  3. Make any changes that are required for new failing tests.
@@ skipping 326 matching lines @@
         so before being able to commit these new changes, we may need to update
         TestExpectations or download new baselines.
 
         Returns:
             True if successfully committed, False otherwise.
         """
         self._upload_cl()
         _log.info('Issue: %s', self.git_cl.run(['issue']).strip())
 
         # First, try on Blink try bots in order to get any new baselines.
+        # TODO(qyearsley): Make this faster by triggering all try jobs in
+        # one invocation.
         _log.info('Triggering try jobs.')
-        for try_bot in self.host.builders.all_try_builder_names():
-            self.git_cl.run(['try', '-b', try_bot])
+        self.git_cl.trigger_try_jobs()
         try_results = self.git_cl.wait_for_try_jobs(
             poll_delay_seconds=POLL_DELAY_SECONDS, timeout_seconds=TIMEOUT_SECONDS)
 
         if not try_results:
             self.git_cl.run(['set-close'])
             return False
 
         if try_results and self.git_cl.has_failing_try_results(try_results):
             self.fetch_new_expectations_and_baselines()
 
@@ skipping 126 matching lines @@
         """Returns a dict mapping source to dest name for layout tests that have been renamed."""
         out = self.check_run(['git', 'diff', 'origin/master', '-M100%', '--diff-filter=R', '--name-status'])
         renamed_tests = {}
         for line in out.splitlines():
             _, source_path, dest_path = line.split()
             source_test = self.finder.layout_test_name(source_path)
             dest_test = self.finder.layout_test_name(dest_path)
             if source_test and dest_test:
                 renamed_tests[source_test] = dest_test
         return renamed_tests