Make dartium tests continue if layout tests result uploading fails

tools/dartium/upload_steps.py

 #!/usr/bin/python
 
 # Copyright (c) 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.
 
 """Steps to archive dartium, content_shell, and chromedriver from buildbots.
 
 Imported by buildbot_annotated_steps.py and multivm_archive.py
 """
@@ skipping 220 matching lines @@
 
 def UploadDartTestsResults(layout_test_results_dir, name, version,
                            component, checked):
   """Uploads test results to google storage.
   """
   print ('@@@BUILD_STEP archive %s_layout_%s_tests results@@@' %
          (component, checked))
   dir_name = os.path.dirname(layout_test_results_dir)
   base_name = os.path.basename(layout_test_results_dir)
   cwd = os.getcwd()
-  os.chdir(dir_name)
+  try:
+    os.chdir(dir_name)
 
-  archive_name = 'layout_test_results.zip'
-  archive.ZipDir(archive_name, base_name)
+    archive_name = 'layout_test_results.zip'
+    archive.ZipDir(archive_name, base_name)
 
-  target = '/'.join([GS_DIR, 'layout-test-results', name, component + '-' +
-                     checked + '-' + version + '.zip'])
-  status = OldUploadFile(os.path.abspath(archive_name), GS_SITE + target)
-  os.remove(archive_name)
-  if status == 0:
-    print ('@@@STEP_LINK@download@' + GS_URL + target + '@@@')
-  else:
+    target = '/'.join([GS_DIR, 'layout-test-results', name, component + '-' +
+                       checked + '-' + version + '.zip'])
+    status = OldUploadFile(os.path.abspath(archive_name), GS_SITE + target)
+    os.remove(archive_name)
+    if status == 0:
+      print ('@@@STEP_LINK@download@' + GS_URL + target + '@@@')
+    else:
+      print '@@@STEP_FAILURE@@@'
+  except:
     print '@@@STEP_FAILURE@@@'
   os.chdir(cwd)
 
 
 def ListArchives(pattern):
   """List the contents in Google storage matching the file pattern.
   """
   cmd = [GSUTIL, 'ls', pattern]
   (status, output) = ExecuteCommand(cmd)
   if status != 0:
     return []
   return output.split(os.linesep)
 
 
 def RemoveArchives(archives):
   """Remove the list of archives in Google storage.
   """
   for archive in archives:
     if archive.find(GS_SITE) == 0:
       cmd = [GSUTIL, 'rm', archive.rstrip()]
       (status, _) = ExecuteCommand(cmd)
       if status != 0:
         return status
   return 0