Modify record_wpr to record benchmark once only

telemetry/telemetry/record_wpr.py

 # Copyright 2012 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.
 
 import argparse
 import logging
 import sys
 
 from telemetry import benchmark
 from telemetry import story
@@ skipping 222 matching lines @@
     return has_benchmark_hint or has_story_hint
 
   def Record(self, results):
     assert self._story_set.wpr_archive_info, (
         'Pageset archive_data_file path must be specified.')
     if self._options.use_wpr_go:
       print ('Recording now always use wpr_go, hence setting --use-wpr-go flag '
              'explicitly is no longer necessary. Please file crbug against '
              'xunjeli@ & nednguyen@ if you encounter issue with recording.')
 
+    # Always record the benchmark one time only.
+    self._options.pageset_repeat = 1
     self._story_set.wpr_archive_info.is_using_wpr_go_archives = True
     self._story_set.wpr_archive_info.AddNewTemporaryRecording()
     self._record_page_test.CustomizeBrowserOptions(self._options)
     story_runner.Run(
         self._record_page_test,
         self._story_set,
         self._options,
         results,
         expectations=self._expectations,
         metadata=self._CreateBenchmarkMetadata())
@@ skipping 51 matching lines @@
   binary_manager.InitDependencyManager(environment.client_configs)
 
   # TODO(nednguyen): update WprRecorder so that it handles the difference
   # between recording a benchmark vs recording a story better based on
   # the distinction between args.benchmark & args.story
   wpr_recorder = WprRecorder(environment.top_level_dir, target, extra_args)
   results = wpr_recorder.CreateResults()
   wpr_recorder.Record(results)
   wpr_recorder.HandleResults(results, args.upload)
   return min(255, len(results.failures))