Dilate approximated text bounds to squelch recent assertion failure.

Dilate approximated text bounds to squelch recent assertion failure.

This is once again an issue related to logo fonts, so I don't
see any easy way to add a regression test for this.

BUG=424824
Committed: https://skia.googlesource.com/skia/+/41966d49b0cc9dd2250dac4417ed3b365fb6d704

[mtklein_C, 2014-10-20 15:56:17]

mtklein@chromium.org changed reviewers:
+ reed@google.com

[mtklein, 2014-10-20 16:32:56]

The CQ bit was checked by mtklein@google.com

[commit-bot: I haz the power, 2014-10-20 16:33:10]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/665103002/1

[commit-bot: I haz the power, 2014-10-20 16:33:11]

Note for Reviewers:
The CQ is waiting for an approval.
If you believe that the CL is not ready yet, or if you would like to L-G-T-M
with comments then please uncheck the CQ checkbox.

Waiting for LGTM from valid reviewer(s) till 2014-10-20 22:33 UTC

[commit-bot: I haz the power, 2014-10-20 16:39:04]

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

[commit-bot: I haz the power, 2014-10-20 16:39:05]

Try jobs failed on following builders:
  Test-Ubuntu13.10-GCE-NoGPU-x86_64-Release-Shared-Trybot on client.skia
(http://build.chromium.org/p/client.skia/builders/Test-Ubuntu13.10-GCE-NoGPU-x...)

[mtklein, 2014-10-20 18:47:36]

The CQ bit was checked by mtklein@google.com

[commit-bot: I haz the power, 2014-10-20 18:47:49]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/665103002/20001

[commit-bot: I haz the power, 2014-10-20 18:47:50]

Note for Reviewers:
The CQ is waiting for an approval.
If you believe that the CL is not ready yet, or if you would like to L-G-T-M
with comments then please uncheck the CQ checkbox.

Waiting for LGTM from valid reviewer(s) till 2014-10-21 00:47 UTC

[reed1, 2014-10-20 20:43:37]

lgtm

[commit-bot: I haz the power, 2014-10-20 20:44:29]

Committed patchset #2 (id:20001) as 41966d49b0cc9dd2250dac4417ed3b365fb6d704