Cherry pick CoreText Helvetica collision fix into HarfBuzz

Cherry pick CoreText Helvetica collision fix into HarfBuzz

Cherry picking HarfBuzz commit 46809dee30232d4 into HarfBuzz in order to address
the incompatibility with third-party font management software and Type 1
versions of Helvetica.

BUG=132252
R=kojii,eae,behdad

Committed: https://crrev.com/deec23f32462827a76e3524d04fa6b13784a6ec8
Cr-Commit-Position: refs/heads/master@{#403427}

[drott, 2016-07-01 07:17:46]

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

[commit-bot: I haz the power, 2016-07-01 07:17:56]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[drott, 2016-07-01 07:23:25]

drott@chromium.org changed reviewers:
+ bashi@chromium.org

[bashi, 2016-07-01 07:27:01]

lgtm as a tentative fix.

[drott, 2016-07-01 07:29:19]

On 2016/07/01 at 07:27:01, bashi wrote:
> lgtm as a tentative fix.

Thank you for the speedy review. As discussed, I'll roll HB as soon as possible
- so the cherry-picking is tentative, the fix itself is verified.

[bashi, 2016-07-01 07:29:22]

On 2016/07/01 07:27:01, bashi1 wrote:
> tentative

^^^ this is for cherry-picking itself.

[drott, 2016-07-01 07:29:25]

The CQ bit was unchecked by drott@chromium.org

[drott, 2016-07-01 07:29:27]

The CQ bit was checked by drott@chromium.org

[commit-bot: I haz the power, 2016-07-01 07:29:37]

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, 2016-07-01 08:36:36]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-07-01 08:38:42]

Description was changed from

==========
Cherry pick CoreText Helvetica collision fix into HarfBuzz

Cherry picking HarfBuzz commit 46809dee30232d4 into HarfBuzz in order to address
the incompatibility with third-party font management software and Type 1
versions of Helvetica.

BUG=132252
R=kojii,eae,behdad
==========

to

==========
Cherry pick CoreText Helvetica collision fix into HarfBuzz

Cherry picking HarfBuzz commit 46809dee30232d4 into HarfBuzz in order to address
the incompatibility with third-party font management software and Type 1
versions of Helvetica.

BUG=132252
R=kojii,eae,behdad

Committed: https://crrev.com/deec23f32462827a76e3524d04fa6b13784a6ec8
Cr-Commit-Position: refs/heads/master@{#403427}
==========

[commit-bot: I haz the power, 2016-07-01 08:38:44]

Patchset 1 (id:??) landed as
https://crrev.com/deec23f32462827a76e3524d04fa6b13784a6ec8
Cr-Commit-Position: refs/heads/master@{#403427}