Use StringView in History.cpp

Use StringView in History.cpp

This code wants to compare the prefix of two strings together, we can
do that with StringView and use the much faster string equals methods
that use memchr.

BUG=615174
Committed: https://crrev.com/64b7b9d6b9a3280676c7e1d6c02d15fa3805f9c7
Cr-Commit-Position: refs/heads/master@{#416221}

[esprehn, 2016-09-02 01:08:50]

The CQ bit was checked by esprehn@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2016-09-02 01:09:08]

Dry run: 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, 2016-09-02 02:38:41]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2016-09-02 02:38:42]

Dry run: This issue passed the CQ dry run.

[esprehn, 2016-09-02 02:39:40]

esprehn@chromium.org changed reviewers:
+ dcheng@chromium.org, haraken@chromium.org

[dcheng, 2016-09-02 03:16:52]

lgtm

[haraken, 2016-09-02 03:19:16]

LGTM

[esprehn, 2016-09-02 09:29:14]

The CQ bit was checked by esprehn@chromium.org

[commit-bot: I haz the power, 2016-09-02 09:29:29]

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, 2016-09-02 09:34:14]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-09-02 09:37:21]

Description was changed from

==========
Use StringView in History.cpp

This code wants to compare the prefix of two strings together, we can
do that with StringView and use the much faster string equals methods
that use memchr.

BUG=615174
==========

to

==========
Use StringView in History.cpp

This code wants to compare the prefix of two strings together, we can
do that with StringView and use the much faster string equals methods
that use memchr.

BUG=615174

Committed: https://crrev.com/64b7b9d6b9a3280676c7e1d6c02d15fa3805f9c7
Cr-Commit-Position: refs/heads/master@{#416221}
==========

[commit-bot: I haz the power, 2016-09-02 09:37:22]

Patchset 1 (id:??) landed as
https://crrev.com/64b7b9d6b9a3280676c7e1d6c02d15fa3805f9c7
Cr-Commit-Position: refs/heads/master@{#416221}