Remove unused render target members from GL and VK sk_app::WindowContext classes

Remove unused render target members from GL and VK sk_app::WindowContext classes
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2191673002

Committed: https://skia.googlesource.com/skia/+/4484d6ac788d90fe937068bf429032914f17ba60

[bsalomon, 2016-07-27 21:26:18]

Description was changed from

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Remove unused render target members from GL and VK sk_app::WindowContext classes
==========

to

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Remove unused render target members from GL and VK sk_app::WindowContext classes
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2191673002
==========

[bsalomon, 2016-07-27 21:26:41]

bsalomon@google.com changed reviewers:
+ jvanverth@google.com

[jvanverth1, 2016-07-28 12:50:53]

lgtm

[bsalomon, 2016-07-28 13:33:45]

The CQ bit was checked by bsalomon@google.com

[commit-bot: I haz the power, 2016-07-28 13:33:55]

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

[commit-bot: I haz the power, 2016-07-28 13:33:55]

This CL has an open dependency (Issue 2184273002 Patch 1). Please resolve the
dependency and try again.
If you are sure that there is no real dependency, please use one of the options
listed in https://goo.gl/9Es4OR to land the CL.

[bsalomon, 2016-07-28 18:03:00]

The CQ bit was checked by bsalomon@google.com

[commit-bot: I haz the power, 2016-07-28 18:03:04]

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, 2016-07-28 18:49:14]

Description was changed from

==========
Remove unused render target members from GL and VK sk_app::WindowContext classes
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2191673002
==========

to

==========
Remove unused render target members from GL and VK sk_app::WindowContext classes
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2191673002

Committed:
https://skia.googlesource.com/skia/+/4484d6ac788d90fe937068bf429032914f17ba60
==========

[commit-bot: I haz the power, 2016-07-28 18:49:15]

Committed patchset #1 (id:1) as
https://skia.googlesource.com/skia/+/4484d6ac788d90fe937068bf429032914f17ba60