All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=746260

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=06c2e3a511e9c53c3b0d035b6f183129715d236dde0c283a04c385f34c0b3a8c


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

chromium-rel-win7-gpu-ati
chromium-rel-win7-gpu-nvidia

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8973651293633025584

=== Auto-CCing suspected CL author tbansal@chromium.org ===

Hi tbansal@chromium.org, the bisect results pointed to your CL, please take a look at the
results.


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

Suspected Commit
  Author : Tarun Bansal
  Commit : 1f332ebe9cae4e7981f8cee43fc7e4283b7e43a0
  Date   : Fri Jul 14 04:18:09 2017
  Subject: Enable NetInfo rtt, downlink, effectiveType APIs.

Bisect Details
  Configuration: winx64ati_perf_bisect
  Benchmark    : media.tough_video_cases_tbmv2
  Metric       : memory:chrome:renderer_processes:reported_by_chrome:v8:heap:allocated_objects_size_avg/video.html?src_crowd2160.mp4
  Change       : 0.01% | 2953856.0 -> 2953752.0

Revision             Result                  N
chromium@486653      2953856 +- 0.0          14      good
chromium@486664      2953856 +- 0.0          6       good
chromium@486669      2953856 +- 0.0          6       good
chromium@486670      2953856 +- 0.0          6       good
chromium@486671      2954128 +- 0.0          6       bad       <--
chromium@486672      2954628 +- 2738.61      6       bad
chromium@486674      2954673 +- 2986.91      6       bad
chromium@486696      2954128 +- 0.0          6       bad
chromium@486725      2953752 +- 3446.1       14      bad

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=video.html.src.crowd2160.mp4 media.tough_video_cases_tbmv2

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8973651293633025584


For feedback, file a bug with component Speed>Bisection

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8973110032569475744

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

Suspected Commit
  Author : Tarun Bansal
  Commit : 1f332ebe9cae4e7981f8cee43fc7e4283b7e43a0
  Date   : Fri Jul 14 04:18:09 2017
  Subject: Enable NetInfo rtt, downlink, effectiveType APIs.

Bisect Details
  Configuration: winx64ati_perf_bisect
  Benchmark    : media.tough_video_cases_tbmv2
  Metric       : memory:chrome:renderer_processes:reported_by_chrome:v8:heap:allocated_objects_size_avg/video.html?src_crowd2160.mp4
  Change       : 0.01% | 2953856.0 -> 2954128.0

Revision             Result                  N
chromium@486653      2953856 +- 0.0          14      good
chromium@486664      2953856 +- 0.0          6       good
chromium@486669      2953856 +- 0.0          6       good
chromium@486670      2953856 +- 0.0          6       good
chromium@486671      2954128 +- 0.0          6       bad       <--
chromium@486672      2954128 +- 0.0          6       bad
chromium@486674      2954128 +- 0.0          6       bad
chromium@486696      2954605 +- 2614.46      6       bad
chromium@486725      2954128 +- 0.0          14      bad

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=video.html.src.crowd2160.mp4 media.tough_video_cases_tbmv2

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8973110032569475744


For feedback, file a bug with component Speed>Bisection

Some uptick in memory was expected with this feature. Closing this bug since the change is too small (0.01%). Please reopen if I am reading this incorrectly.