Add signcla verifier to skia

Add signcla verifier to skia.

This verifier is just informative now.

BUG=457428
Committed: https://skia.googlesource.com/skia/+/12555d7efbd1e2238e7e7a7eee6b651f304ba451

[sheyang, 2015-06-16 18:42:23]

sheyang@chromium.org changed reviewers:
+ hcm@chromium.org, rmistry@chromium.org, sergiyb@chromium.org

[Sergiy Byelozyorov, 2015-06-16 20:12:38]

lgtm

[sheyang, 2015-06-16 20:47:57]

The CQ bit was checked by sheyang@chromium.org

[commit-bot: I haz the power, 2015-06-16 20:48:27]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1193433003/1

[commit-bot: I haz the power, 2015-06-16 20:48:29]

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 2015-06-17 02:48 UTC

[rmistry, 2015-06-16 20:51:05]

rmistry@google.com changed required reviewers:
+ hcm@chromium.org

[rmistry, 2015-06-16 20:51:29]

rmistry@google.com changed reviewers:
+ rmistry@google.com

[rmistry, 2015-06-16 20:51:29]

Added Heather as a required reviewer.

[hcm, 2015-06-17 01:58:42]

On 2015/06/16 20:51:29, rmistry wrote:
> Added Heather as a required reviewer.

I think we're good, but was trying to find it in some of the other CLs on this
work- what is the message we'll see as a result of the check?

[sheyang, 2015-06-17 01:59:55]

On 2015/06/17 01:58:42, hcm wrote:
> On 2015/06/16 20:51:29, rmistry wrote:
> > Added Heather as a required reviewer.
> 
> I think we're good, but was trying to find it in some of the other CLs on this
> work- what is the message we'll see as a result of the check?

"The author johndoe@chromium.org has not signed Google Contributor License
Agreement. Please visit https://cla.developers.google.com to sign and manage
CLA."

[hcm, 2015-06-17 02:44:52]

On 2015/06/17 01:59:55, sheyang wrote:
> On 2015/06/17 01:58:42, hcm wrote:
> > On 2015/06/16 20:51:29, rmistry wrote:
> > > Added Heather as a required reviewer.
> > 
> > I think we're good, but was trying to find it in some of the other CLs on
this
> > work- what is the message we'll see as a result of the check?
> 
> "The author mailto:johndoe@chromium.org has not signed Google Contributor
License
> Agreement. Please visit https://cla.developers.google.com to sign and manage
> CLA."

thanks, lgtm

[commit-bot: I haz the power, 2015-06-17 02:48:07]

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

[commit-bot: I haz the power, 2015-06-17 02:48:08]

All required reviewers (with asterisk prefixes) have not yet approved this CL.

No LGTM from a valid reviewer yet. Please ask for an LGTM from a
full Skia committer from
https://skia.googlesource.com/skia/+/master/CQ_COMMITTERS

[rmistry, 2015-06-17 10:45:49]

rmistry@google.com changed required reviewers:
- hcm@chromium.org

[rmistry, 2015-06-17 10:47:19]

On 2015/06/17 02:48:08, commit-bot: I haz the power wrote:
> All required reviewers (with asterisk prefixes) have not yet approved this CL.
> 
> No LGTM from a valid reviewer yet. Please ask for an LGTM from a
> full Skia committer from
> https://skia.googlesource.com/skia/+/master/CQ_COMMITTERS

LGTM

Failed because I had marked Heather's other account as a required reviewer. I
removed it. Sheng, this should be good to go now.

[sheyang, 2015-06-17 16:15:00]

The CQ bit was checked by sheyang@chromium.org

[commit-bot: I haz the power, 2015-06-17 16:15:13]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1193433003/1

[commit-bot: I haz the power, 2015-06-17 16:15:56]

Committed patchset #1 (id:1) as
https://skia.googlesource.com/skia/+/12555d7efbd1e2238e7e7a7eee6b651f304ba451