real fix for textblob use after gpu free

real fix for textblob use after gpu free

This patch addresses two issues:
1) Textblobs with abandoned strikes were not properly regenerating.
2) Provided by ericrk - GrTextBlobCache removed blobs from |fCache| during freeAll, but left
potentially released blobs in the |fBlobList|. We now remove these from
|fBlobList| as well.
BUG=skia:

Committed: https://skia.googlesource.com/skia/+/7a9c45c01cadea5d8b3e9671a57311247a8c414d

[joshualitt, 2015-05-26 14:40:20]

joshualitt@google.com changed reviewers:
+ bsalomon@google.com, ericrk@chromium.org, joshualitt@google.com

[joshualitt, 2015-05-26 14:40:20]

Eric, can you try this patch?

[ericrk, 2015-05-26 18:00:27]

On 2015/05/26 14:40:20, joshualitt wrote:
> Eric, can you try this patch?

LGTM - this fixes the issues I was seeing - thanks for the quick turnaround!

[joshualitt, 2015-05-26 18:02:39]

On 2015/05/26 18:00:27, ericrk wrote:
> On 2015/05/26 14:40:20, joshualitt wrote:
> > Eric, can you try this patch?
> 
> LGTM - this fixes the issues I was seeing - thanks for the quick turnaround!

Brian, any additional feedback?

[bsalomon, 2015-05-26 18:35:58]

lgtm

[joshualitt, 2015-05-26 19:05:18]

The CQ bit was checked by joshualitt@google.com

[commit-bot: I haz the power, 2015-05-26 19:05:29]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1160633002/40001

[commit-bot: I haz the power, 2015-05-26 19:06:37]

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

[commit-bot: I haz the power, 2015-05-26 19:06:38]

Try jobs failed on following builders:
  Test-Ubuntu-GCC-GCE-CPU-AVX2-x86_64-Debug-Trybot on client.skia (JOB_FAILED,
http://build.chromium.org/p/client.skia/builders/Test-Ubuntu-GCC-GCE-CPU-AVX2...)

[joshualitt, 2015-05-26 19:19:24]

The CQ bit was checked by joshualitt@google.com

[joshualitt, 2015-05-26 19:19:25]

The patchset sent to the CQ was uploaded after l-g-t-m from bsalomon@google.com,
ericrk@chromium.org
Link to the patchset: https://codereview.chromium.org/1160633002/#ps60001
(title: "tweaks")

[commit-bot: I haz the power, 2015-05-26 19:19:36]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1160633002/60001

[commit-bot: I haz the power, 2015-05-26 19:32:29]

Committed patchset #4 (id:60001) as
https://skia.googlesource.com/skia/+/7a9c45c01cadea5d8b3e9671a57311247a8c414d