All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=923050

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=c3f5bc099652000b54a308b5cfdf2e475d62bba23cea90111f41d04362e3e66a


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

Win 7 Perf

system_health.memory_desktop - Benchmark documentation link:
  https://bit.ly/system-health-benchmarks

📍 Pinpoint job started.
https://pinpoint-dot-chromeperf.appspot.com/job/17d104d8540000

📍 Found significant differences after each of 2 commits.
https://pinpoint-dot-chromeperf.appspot.com/job/17d104d8540000

Fix audio service quit timeout logic. by maxmorin@chromium.org
https://chromium.googlesource.com/chromium/src/+/f10ae53e17c31f66b1597f535e4ceeacb820ced0
memory:chrome:all_processes:reported_by_chrome:malloc:effective_size: 1.238e+07 → 1.281e+07 (+4.302e+05)

Add GWP-ASan to field trial testing config. by vtsyrklevich@chromium.org
https://chromium.googlesource.com/chromium/src/+/38a132967c0ebc3fa2a512a940c9789b5888efec
memory:chrome:all_processes:reported_by_chrome:malloc:effective_size: 1.261e+07 → 1.302e+07 (+4.052e+05)

Understanding performance regressions:
  http://g.co/ChromePerformanceRegressions

Benchmark documentation link:
  https://bit.ly/system-health-benchmarks

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/d67de4bf7864713373d14216d34e86e4f9695b28

commit d67de4bf7864713373d14216d34e86e4f9695b28
Author: Vlad Tsyrklevich <vtsyrklevich@chromium.org>
Date: Tue Jan 22 23:25:14 2019

GWP-ASan: Allocate SlotMetadata array dynamically

Dynamically allocating SlotMetadata reduces the amount of memory
consumed in the current default configuration by ~6 kilobytes, or
about 13% of the GWP-ASan memory overhead. Furthermore, it sets up the
following change that eliminates the use of base::debug::StackTrace
and places the addresses directly in the SlotMetadata.

Bug: 896019, 921237, 923050
Change-Id: Ib60533821011a7aaeccc8278bc0ed7d747474a06
Reviewed-on: https://chromium-review.googlesource.com/c/1427440
Reviewed-by: Vitaly Buka <vitalybuka@chromium.org>
Commit-Queue: Vlad Tsyrklevich <vtsyrklevich@chromium.org>
Auto-Submit: Vlad Tsyrklevich <vtsyrklevich@chromium.org>
Cr-Commit-Position: refs/heads/master@{#624983}
[modify] https://crrev.com/d67de4bf7864713373d14216d34e86e4f9695b28/components/gwp_asan/client/guarded_page_allocator.cc
[modify] https://crrev.com/d67de4bf7864713373d14216d34e86e4f9695b28/components/gwp_asan/client/guarded_page_allocator.h
[modify] https://crrev.com/d67de4bf7864713373d14216d34e86e4f9695b28/components/gwp_asan/common/allocator_state.cc
[modify] https://crrev.com/d67de4bf7864713373d14216d34e86e4f9695b28/components/gwp_asan/common/allocator_state.h
[modify] https://crrev.com/d67de4bf7864713373d14216d34e86e4f9695b28/components/gwp_asan/common/allocator_state_unittest.cc
[modify] https://crrev.com/d67de4bf7864713373d14216d34e86e4f9695b28/components/gwp_asan/crash_handler/crash_analyzer.cc
[modify] https://crrev.com/d67de4bf7864713373d14216d34e86e4f9695b28/components/gwp_asan/crash_handler/crash_analyzer.h
[modify] https://crrev.com/d67de4bf7864713373d14216d34e86e4f9695b28/tools/metrics/histograms/enums.xml