VR: Get fallback fonts for set of characters rather than full string.

VR: Get fallback fonts for set of characters rather than full string.

This shaves ~6ms off of our total skia render time for English. Similar numbers for other languages.

BUG=715591
Review-Url: https://codereview.chromium.org/2846023002
Cr-Commit-Position: refs/heads/master@{#468070}
Committed: https://chromium.googlesource.com/chromium/src/+/255a2914d4d023ca040c250e2ce129e1e5370a05

[mthiesse, 2017-04-27 14:32:07]

mthiesse@chromium.org changed reviewers:
+ acondor@google.com, cjgrant@chromium.org

[mthiesse, 2017-04-27 14:32:08]

PTAL

[acondor_, 2017-04-27 15:24:19]

lgtm

[cjgrant, 2017-04-28 17:31:57]

lgtm

[mthiesse, 2017-04-28 17:35:37]

The CQ bit was checked by mthiesse@chromium.org

[commit-bot: I haz the power, 2017-04-28 17:36:09]

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, 2017-04-28 18:39:53]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1493400937899180, "parent_rev":
"eb02b0f82a7deac0cde8dbff100fa91dea5d30f0", "commit_rev":
"255a2914d4d023ca040c250e2ce129e1e5370a05"}

[commit-bot: I haz the power, 2017-04-28 18:40:10]

Description was changed from

==========
VR: Get fallback fonts for set of characters rather than full string.

This shaves ~6ms off of our total skia render time for English. Similar numbers
for other languages.

BUG=715591
==========

to

==========
VR: Get fallback fonts for set of characters rather than full string.

This shaves ~6ms off of our total skia render time for English. Similar numbers
for other languages.

BUG=715591

Review-Url: https://codereview.chromium.org/2846023002
Cr-Commit-Position: refs/heads/master@{#468070}
Committed:
https://chromium.googlesource.com/chromium/src/+/255a2914d4d023ca040c250e2ce1...
==========

[commit-bot: I haz the power, 2017-04-28 18:40:11]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/255a2914d4d023ca040c250e2ce1...