All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=746920

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=46e9a07a41694f76081289b8c538c4890b53e8002369176324bf163300e19323


Bot(s) for this bug's original alert(s):

chromium-rel-win7-gpu-intel

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8973555099014966560

=== BISECT JOB RESULTS ===
Perf regression found with culprit

Suspected Commit
  Author : Ken Rockot
  Commit : 474df01407e5d38c85364ae4d1709b8d9af16f16
  Date   : Wed Jul 12 13:28:56 2017
  Subject: Mojo C++ Bindings: Lazy Serialization

Bisect Details
  Configuration: winx64intel_perf_bisect
  Benchmark    : system_health.memory_desktop
  Metric       : memory:chrome:all_processes:reported_by_chrome:malloc:effective_size_avg/load_media/load_media_9gag
  Change       : 6.41% | 26959694.3333 -> 28688889.8333

Revision             Result                  N
chromium@485905      26959694 +- 185779      6      good
chromium@485927      26860958 +- 239233      6      good
chromium@485933      26952576 +- 105871      6      good
chromium@485934      26962954 +- 181161      6      good
chromium@485935      28682808 +- 116100      6      bad       <--
chromium@485936      28629265 +- 156676      6      bad
chromium@485938      28711216 +- 114573      6      bad
chromium@485949      28688890 +- 163654      6      bad

Please refer to the following doc on diagnosing memory regressions:
  https://chromium.googlesource.com/chromium/src/+/master/docs/memory-infra/memory_benchmarks.md

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release_x64 --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=load.media.9gag system_health.memory_desktop

More information on addressing performance regressions:
  http://g.co/ChromePerformanceRegressions

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8973555099014966560


For feedback, file a bug with component Speed>Bisection