All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=718757

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg8se5hQsM


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

chromium-rel-win7-gpu-nvidia

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8980445762261815168

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8980445756182455648

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

Hi scottmg@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 : scottmg
  Commit : 6b0131a01da5149cd7acb81973f881a0d85fbe59
  Date   : Tue May 02 16:34:31 2017
  Subject: network service: Plumbing to get URLLoaderFactory to renderer on nav commit

Bisect Details
  Configuration: winx64nvidia_perf_bisect
  Benchmark    : page_cycler_v2.intl_ja_zh
  Metric       : timeToFirstMeaningfulPaint_avg/pcv1-warm/http___hatena.ne.jp_
  Change       : 16.99% | 43.7344999996 -> 51.1628333343

Revision             Result                  N
chromium@468663      43.7345 +- 4.22899      6      good
chromium@468670      43.7623 +- 5.3755       6      good
chromium@468673      43.0398 +- 3.95492      6      good
chromium@468674      45.247 +- 5.60457       6      good
chromium@468675      52.077 +- 7.38832       6      bad       <--
chromium@468676      49.8763 +- 4.74301      6      bad
chromium@468688      51.9507 +- 3.60632      6      bad
chromium@468713      54.1185 +- 2.05858      6      bad
chromium@468763      51.1628 +- 4.86452      6      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=http...hatena.ne.jp. page_cycler_v2.intl_ja_zh

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8980445756182455648

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5859568069902336


| O O | Visit http://www.chromium.org/developers/speed-infra/perf-bug-faq
|  X  | for more information addressing perf regression bugs. For feedback,
| / \ | file a bug with component Speed>Bisection.  Thank you!

 Issue 718756  has been merged into this issue.

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

Suspected Commit
  Author : scottmg
  Commit : 6b0131a01da5149cd7acb81973f881a0d85fbe59
  Date   : Tue May 02 16:34:31 2017
  Subject: network service: Plumbing to get URLLoaderFactory to renderer on nav commit

Bisect Details
  Configuration: winx64nvidia_perf_bisect
  Benchmark    : page_cycler_v2.intl_ja_zh
  Metric       : timeToFirstMeaningfulPaint_avg/pcv1-warm/http___hatena.ne.jp_
  Change       : 14.91% | 44.6491666635 -> 51.3073333378

Revision             Result                  N
chromium@468663      44.6492 +- 4.43916      6      good
chromium@468670      42.9428 +- 6.07744      6      good
chromium@468673      44.7783 +- 5.30274      9      good
chromium@468674      45.8671 +- 12.3919      9      good
chromium@468675      51.2578 +- 4.15747      9      bad       <--
chromium@468676      51.4893 +- 3.16485      6      bad
chromium@468688      50.9475 +- 4.45393      6      bad
chromium@468713      50.9013 +- 4.66418      6      bad
chromium@468763      51.3073 +- 3.89614      6      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=http...hatena.ne.jp. page_cycler_v2.intl_ja_zh

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8980445762261815168

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5345467950432256


| O O | Visit http://www.chromium.org/developers/speed-infra/perf-bug-faq
|  X  | for more information addressing perf regression bugs. For feedback,
| / \ | file a bug with component Speed>Bisection.  Thank you!

 Issue 718756  has been merged into this issue.

 Issue 718881  has been merged into this issue.

 Issue 718881  has been merged into this issue.

 Issue 718883  has been merged into this issue.

 Issue 718890  has been merged into this issue.

 Issue 718890  has been merged into this issue.

 Issue 718914  has been merged into this issue.

 Issue 718914  has been merged into this issue.

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/9380ddb9f45e2f441d4e6c4daffba47ac4e40e46

commit 9380ddb9f45e2f441d4e6c4daffba47ac4e40e46
Author: jam <jam@chromium.org>
Date: Fri May 05 22:51:10 2017

Fix the current per-frame URLLoaderFactory code path.

BUG= 712913 ,  718757 

Review-Url: https://codereview.chromium.org/2864023003
Cr-Commit-Position: refs/heads/master@{#469786}

[modify] https://crrev.com/9380ddb9f45e2f441d4e6c4daffba47ac4e40e46/content/child/request_extra_data.cc
[modify] https://crrev.com/9380ddb9f45e2f441d4e6c4daffba47ac4e40e46/content/child/request_extra_data.h
[modify] https://crrev.com/9380ddb9f45e2f441d4e6c4daffba47ac4e40e46/content/child/web_url_loader_impl.cc
[modify] https://crrev.com/9380ddb9f45e2f441d4e6c4daffba47ac4e40e46/content/renderer/render_frame_impl.cc
[modify] https://crrev.com/9380ddb9f45e2f441d4e6c4daffba47ac4e40e46/content/renderer/render_frame_impl.h
[modify] https://crrev.com/9380ddb9f45e2f441d4e6c4daffba47ac4e40e46/content/renderer/renderer_blink_platform_impl.cc

This should be fixed now.