Remove some legacy versions of StartsWith and EndsWith.

Remove some legacy versions of StartsWith and EndsWith.

This just replaces
  true -> base::CompareCase::SENSITIVE
  false -> base::CompareCase::INSENSITIVE_ASCII

I checked the insensitive cases to make sure they're not doing anything suspicious. The old version is a sometimes-correct Unicode comparison so converting to INSENSTITIVE_ASCII isn't a no-op. However, generally the prefix/suffix checking is done against a hardcoded string so there were very few cases to actually look at.

extensions/browser/api/declarative_webrequest/webrequest_condition_attribute.cc has a not-quite search-and-replace change where I changed the type of a class variable.

BUG=506255
TBR=jam

Reland of http://crrev.com/1239493005

Committed: https://crrev.com/a7ff1b291cd328e9584779a4bb9101fa9a3c01ad
Cr-Commit-Position: refs/heads/master@{#339071}

[brettw, 2015-07-16 15:15:39]

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

[commit-bot: I haz the power, 2015-07-16 15:16:13]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1233043003/1

[commit-bot: I haz the power, 2015-07-16 16:55:17]

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

[commit-bot: I haz the power, 2015-07-16 16:55:19]

Dry run: This issue passed the CQ dry run.

[brettw, 2015-07-16 17:34:37]

This is the same as the previous patch from
https://codereview.chromium.org/1239493005 with the one line change in gcapi.cc
from comment 41.

[brettw, 2015-07-16 17:34:43]

The CQ bit was checked by brettw@chromium.org

[commit-bot: I haz the power, 2015-07-16 17:36:12]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1233043003/1

[commit-bot: I haz the power, 2015-07-16 17:49:38]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-07-16 17:50:48]

Patchset 1 (id:??) landed as
https://crrev.com/a7ff1b291cd328e9584779a4bb9101fa9a3c01ad
Cr-Commit-Position: refs/heads/master@{#339071}