Fix path error in getting depot dir.

For some reason it's failing get GetPotDir from incorrect path.  Change here is to use path from BisectPerformanceMetrics instance to generate bisect result json.

Review URL: https://codereview.chromium.org/1779943002

Cr-Commit-Position: refs/heads/master@{#380270}

tools/auto_bisect/bisect_perf_regression.py

@@ -2145,6 +2145,23 @@ class BisectPerformanceMetrics(object):
 
     return (run_results_tot, run_results_reverted)
 
+  def PostBisectResults(self, bisect_results):
+    """Posts bisect results to Perf Dashboard."""
+    bisect_utils.OutputAnnotationStepStart('Post Results')
+
+    results = bisect_results_json.Get(
+        bisect_results, self.opts, self.depot_registry)
+    data = {'data': results}
+    request = urllib2.Request(PERF_DASH_RESULTS_URL)
+    request.add_header('Content-Type', 'application/json')
+    try:
+      urllib2.urlopen(request, json.dumps(data))
+    except urllib2.URLError as e:
+      print 'Failed to post bisect results. Error: %s.' % e
+      bisect_utils.OutputAnnotationStepWarning()
+
+    bisect_utils.OutputAnnotationStepClosed()
+
   def _RunTestWithAnnotations(
       self, step_text, error_text, head_revision,
       target_depot, command_to_run, metric, force_build):
@@ -2509,24 +2526,6 @@ def _IsPlatformSupported():
   return os.name in supported
 
 
-def _PostBisectResults(bisect_results, opts, src_cwd):
-  """Posts bisect results to Perf Dashboard."""
-  bisect_utils.OutputAnnotationStepStart('Post Results')
-
-  results = bisect_results_json.Get(
-      bisect_results, opts, DepotDirectoryRegistry(src_cwd))
-  data = {'data': results}
-  request = urllib2.Request(PERF_DASH_RESULTS_URL)
-  request.add_header('Content-Type', 'application/json')
-  try:
-    urllib2.urlopen(request, json.dumps(data))
-  except urllib2.URLError as e:
-    print 'Failed to post bisect results. Error: %s.' % e
-    bisect_utils.OutputAnnotationStepWarning()
-
-  bisect_utils.OutputAnnotationStepClosed()
-
-
 def RemoveBuildFiles(build_type):
   """Removes build files from previous runs."""
   out_dir = os.path.join('out', build_type)
@@ -2881,7 +2880,7 @@ def main():
       if results.error:
         raise RuntimeError(results.error)
       bisect_test.printer.FormatAndPrintResults(results)
-      _PostBisectResults(results, opts, os.getcwd())
+      bisect_test.PostBisectResults(results)
       return 0
     finally:
       bisect_test.PerformCleanup()

tools/auto_bisect/bisect_perf_regression_test.py

@@ -370,8 +370,9 @@ class BisectPerfRegressionTest(unittest.TestCase):
         'try_job_id': 1234,
     })
     opts = bisect_perf_regression.BisectOptions.FromDict(options_dict)
+    bisect_instance = _GetBisectPerformanceMetricsInstance(options_dict)
     results = _SampleBisecResult(opts)
-    bisect_perf_regression._PostBisectResults(results, opts, os.getcwd())
+    bisect_instance.PostBisectResults(results)
 
     call_args = _GetMockCallArg(mock_urlopen, 0)
     self.assertIsNotNone(call_args)