Sync android-chrome revision along with chromium on android-chrome platform.

tools/auto_bisect/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 1391 matching lines @@
 
   def _RunPostSync(self, _depot):
     """Performs any work after syncing.
 
     Args:
       depot: Depot name.
 
     Returns:
       True if successful.
     """
-    if self.opts.target_platform == 'android':
+    if 'android' in self.opts.target_platform:
       if not builder.SetupAndroidBuildEnvironment(self.opts,
           path_to_src=self.src_cwd):
         return False
 
     return self.RunGClientHooks()
 
   @staticmethod
   def ShouldSkipRevision(depot, revision):
     """Checks whether a particular revision can be safely skipped.
 
@@ skipping 110 matching lines @@
 
     if sync_client:
       self.PerformPreBuildCleanup()
 
     # When using gclient to sync, you need to specify the depot you
     # want so that all the dependencies sync properly as well.
     # i.e. gclient sync src@<SHA1>
     if sync_client == 'gclient' and revision:
       revision = '%s@%s' % (bisect_utils.DEPOT_DEPS_NAME[depot]['src'],
           revision)
+      if depot == 'chromium' and self.opts.target_platform == 'android-chrome':
+        return self._SyncRevisionsForAndroidChrome(revision)
 
     return source_control.SyncToRevision(revision, sync_client)
 
+  def _SyncRevisionsForAndroidChrome(self, revision):
+    """Syncs android-chrome and chromium repos to particular revision.
+
+    This is a special case for android-chrome as the gclient sync for chromium
+    overwrites the android-chrome revision to TOT. Therefore both the repos
+    are synced to known revisions.
+
+    Args:
+      revision: Git hash of the Chromium to sync.
+
+    Returns:
+      True if successful, False otherwise.
+    """
+    revisions_list = [revision]
+    current_android_rev = source_control.GetCurrentRevision(
+        self.depot_registry.GetDepotDir('android-chrome'))
+    revisions_list.append(
+        '%s@%s' % (bisect_utils.DEPOT_DEPS_NAME['android-chrome']['src'],
+                   current_android_rev))
+    return not bisect_utils.RunGClientAndSync(revisions_list)
+
   def _CheckIfRunPassed(self, current_value, known_good_value, known_bad_value):
     """Given known good and bad values, decide if the current_value passed
     or failed.
 
     Args:
       current_value: The value of the metric being checked.
       known_bad_value: The reference value for a "failed" run.
       known_good_value: The reference value for a "passed" run.
 
     Returns:
@@ skipping 1213 matching lines @@
       # bugs. If you change this, please update the perf dashboard as well.
       bisect_utils.OutputAnnotationStepStart('Results')
     print 'Runtime Error: %s' % e
     if opts.output_buildbot_annotations:
       bisect_utils.OutputAnnotationStepClosed()
   return 1
 
 
 if __name__ == '__main__':
   sys.exit(main())