Adding a canvas telemetry test that uses a large font set

Adding a canvas telemetry test that uses a large font set

This test cycles through a large number of fonts. It is
intended to measure the performance of heavy font switching

BUG=497864
Committed: https://crrev.com/816b09709f3b93ae833cadfaa24ec84caa139f87
Cr-Commit-Position: refs/heads/master@{#336150}

[Justin Novosad, 2015-06-23 21:03:30]

junov@chromium.org changed reviewers:
+ sullivan@chromium.org

[Justin Novosad, 2015-06-23 21:03:31]

CR with perf try jobs: https://codereview.chromium.org/1200363002

[sullivan, 2015-06-23 21:38:44]

lgtm

lgtm as long as perf tryjobs pass.

[Justin Novosad, 2015-06-25 13:26:19]

The CQ bit was checked by junov@chromium.org

[commit-bot: I haz the power, 2015-06-25 13:26:37]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1202313002/1

[commit-bot: I haz the power, 2015-06-25 14:35:55]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-06-25 14:38:01]

Patchset 1 (id:??) landed as
https://crrev.com/816b09709f3b93ae833cadfaa24ec84caa139f87
Cr-Commit-Position: refs/heads/master@{#336150}