Make Progress support an arbitrary number of columns.

googletest/trace_test_cases.py

Index: googletest/trace_test_cases.py
diff --git a/googletest/trace_test_cases.py b/googletest/trace_test_cases.py
index 1808479198596e7fc42109000d0b656079cb5b47..324ffae21709c5053417be433226c1fc5566a204 100755
--- a/googletest/trace_test_cases.py
+++ b/googletest/trace_test_cases.py
@@ -67,9 +67,9 @@ class Tracer(object):
           'Tracing %s done: %d, %.1fs' % (test_case, returncode,  duration))
       if retry:
         self.progress.update_item(
-            '%s - %d' % (test_case, retry), index=1, size=int(not valid))
+            '%s - %d' % (test_case, retry), col0=1, col1=int(not valid))
       else:
-        self.progress.update_item(test_case, index=1, size=int(not valid))
+        self.progress.update_item(test_case, col0=1, col1=int(not valid))
       if valid:
         break
     return out
@@ -100,7 +100,7 @@ def trace_test_cases(cmd, cwd_dir, test_cases, jobs, logname):
       jobs = min(options.jobs, jobs)
       break
 
-  progress = threading_utils.Progress(len(test_cases))
+  progress = threading_utils.Progress([0, len(test_cases)])
   with threading_utils.ThreadPoolWithProgress(
       progress, jobs, jobs, len(test_cases)) as pool:
     with api.get_tracer(logname) as tracer: