[pinpoint] Add ReadGraphJsonValue.

[pinpoint] Add ReadGraphJsonValue.

GTest perf tests output in a different format from ChartJson. Add support for
reading the new format. This doesn't include hooking it up through
QuestGenerator, which still needs some additional work.


BUG=catapult:#3729

Review-Url: https://codereview.chromium.org/3001043002
Committed: https://chromium.googlesource.com/external/github.com/catapult-project/catapult/+/6f4eaa933d94736ef58ed9e144ab86aec631adab

[dtu, 2017-08-16 22:09:21]

dtu@chromium.org changed reviewers:
+ perezju@chromium.org, simonhatch@chromium.org, sullivan@chromium.org

[perezju, 2017-08-17 08:00:19]

lgtm

[shatch, 2017-08-17 11:44:20]

lgtm

[dtu, 2017-08-17 15:19:58]

The CQ bit was checked by dtu@chromium.org

[commit-bot: I haz the power, 2017-08-17 15:20:10]

CQ is trying da patch.

Follow status at:
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2017-08-17 15:46:53]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1502983198668810, "parent_rev":
"e3dd0bfa1a4cb1ee9a8344ee3436221bbe5076ca", "commit_rev":
"6f4eaa933d94736ef58ed9e144ab86aec631adab"}

[commit-bot: I haz the power, 2017-08-17 15:46:57]

Description was changed from

==========
[pinpoint] Add ReadGraphJsonValue.

GTest perf tests output in a different format from ChartJson. Add support for
reading the new format. This doesn't include hooking it up through
QuestGenerator, which still needs some additional work.


BUG=catapult:#3729
==========

to

==========
[pinpoint] Add ReadGraphJsonValue.

GTest perf tests output in a different format from ChartJson. Add support for
reading the new format. This doesn't include hooking it up through
QuestGenerator, which still needs some additional work.


BUG=catapult:#3729

Review-Url: https://codereview.chromium.org/3001043002
Committed:
https://chromium.googlesource.com/external/github.com/catapult-project/catapu...
==========

[commit-bot: I haz the power, 2017-08-17 15:46:58]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/external/github.com/catapult-project/catapu...