Deduplicate fuzz cases on the frontend before they are displayed.

Deduplicate fuzz cases on the frontend before they are displayed.

The current algorithm looks at the top 4 stacktrace frames (not caring about line
numbers) and the flags to determine unique instances.

fuzzes with no stacktraces or the "Other" flag are automatically considered
'unique'

Preliminary results show that this trims down the skpicture fuzzes from ~70k to ~500-1000

BUG=skia:4438
Committed: https://skia.googlesource.com/buildbot/+/b935386b36d9ac4be4eaced5a031c4bcdf2112e8

[kjlubick, 2016-02-05 20:20:24]

Description was changed from

==========
Deduplicate fuzz cases on the frontend before they are displayed.

The current algorithm looks at the top 4 stacktrace frames (not caring about
line
numbers) and the flags to determine unique instances.

fuzzes with no stacktraces or the "Other" flag are automatically considered
'unique'

BUG=skia:4438
==========

to

==========
Deduplicate fuzz cases on the frontend before they are displayed.

The current algorithm looks at the top 4 stacktrace frames (not caring about
line
numbers) and the flags to determine unique instances.

fuzzes with no stacktraces or the "Other" flag are automatically considered
'unique'

Preliminary results show that this trims down the skpicture fuzzes from ~70k to
~500-1000

BUG=skia:4438
==========

[kjlubick, 2016-02-05 20:20:24]

kjlubick@google.com changed reviewers:
+ jcgregorio@google.com

[jcgregorio, 2016-02-05 20:41:33]

lgtm

[kjlubick, 2016-02-08 14:53:23]

The CQ bit was checked by kjlubick@google.com

[kjlubick, 2016-02-08 14:53:23]

The patchset sent to the CQ was uploaded after l-g-t-m from
jcgregorio@google.com
Link to the patchset: https://codereview.chromium.org/1672033002/#ps20001
(title: "merged upstream")

[commit-bot: I haz the power, 2016-02-08 14:53:25]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1672033002/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1672033002/20001

[commit-bot: I haz the power, 2016-02-08 14:56:15]

Description was changed from

==========
Deduplicate fuzz cases on the frontend before they are displayed.

The current algorithm looks at the top 4 stacktrace frames (not caring about
line
numbers) and the flags to determine unique instances.

fuzzes with no stacktraces or the "Other" flag are automatically considered
'unique'

Preliminary results show that this trims down the skpicture fuzzes from ~70k to
~500-1000

BUG=skia:4438
==========

to

==========
Deduplicate fuzz cases on the frontend before they are displayed.

The current algorithm looks at the top 4 stacktrace frames (not caring about
line
numbers) and the flags to determine unique instances.

fuzzes with no stacktraces or the "Other" flag are automatically considered
'unique'

Preliminary results show that this trims down the skpicture fuzzes from ~70k to
~500-1000

BUG=skia:4438

Committed:
https://skia.googlesource.com/buildbot/+/b935386b36d9ac4be4eaced5a031c4bcdf21...
==========

[commit-bot: I haz the power, 2016-02-08 14:56:16]

Committed patchset #2 (id:20001) as
https://skia.googlesource.com/buildbot/+/b935386b36d9ac4be4eaced5a031c4bcdf21...