Revert of Store mipmap levels in deferred texture image

Revert of Store mipmap levels in deferred texture image (patchset #15 id:280001 of https://codereview.chromium.org/2034933003/ )

Reason for revert:
Crashes on a few different bots (including ASAN). Examples:

https://build.chromium.org/p/client.skia.android/builders/Test-Android-GCC-Nexus7-GPU-Tegra3-Arm7-Release/builds/6324
https://build.chromium.org/p/client.skia/builders/Test-iOS-Clang-iPad4-GPU-SGX554-Arm7-Debug/builds/5400
https://build.chromium.org/p/client.skia/builders/Test-Ubuntu-GCC-Golo-GPU-GT610-x86_64-Debug-ASAN/builds/3539

Original issue's description:
> Store mipmap levels in deferred texture image
> 
> When creating the deferred texture image, detect if using medium / high
> quality. If so, generate and store mipmaps in the deferred texture
> image.
> 
> When creating a texture from that be sure to read it back out.
> 
> BUG=578304
> R=bsalomon@google.com
> GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2034933003
> 
> Committed: https://skia.googlesource.com/skia/+/b3105190a6e02d37f1d7f07a3a8bdd368ec7f157

TBR=bsalomon@google.com,ericrk@chromium.org,cblume@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=578304
Committed: https://skia.googlesource.com/skia/+/6efeda4838f5944e4e14ff156be5593aa59cf1aa

[Brian Osman, 2016-06-22 14:09:54]

The CQ bit was checked by brianosman@google.com

[Brian Osman, 2016-06-22 14:09:54]

Created Revert of Store mipmap levels in deferred texture image

[commit-bot: I haz the power, 2016-06-22 14:10:03]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/2083393002/1

[commit-bot: I haz the power, 2016-06-22 14:10:13]

Description was changed from

==========
Revert of Store mipmap levels in deferred texture image (patchset #15 id:280001
of https://codereview.chromium.org/2034933003/ )

Reason for revert:
Crashes on a few different bots (including ASAN). Examples:

https://build.chromium.org/p/client.skia.android/builders/Test-Android-GCC-Ne...
https://build.chromium.org/p/client.skia/builders/Test-iOS-Clang-iPad4-GPU-SG...
https://build.chromium.org/p/client.skia/builders/Test-Ubuntu-GCC-Golo-GPU-GT...

Original issue's description:
> Store mipmap levels in deferred texture image
> 
> When creating the deferred texture image, detect if using medium / high
> quality. If so, generate and store mipmaps in the deferred texture
> image.
> 
> When creating a texture from that be sure to read it back out.
> 
> BUG=578304
> R=bsalomon@google.com
> GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2034933003
> 
> Committed:
https://skia.googlesource.com/skia/+/b3105190a6e02d37f1d7f07a3a8bdd368ec7f157

TBR=bsalomon@google.com,ericrk@chromium.org,cblume@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=578304
==========

to

==========
Revert of Store mipmap levels in deferred texture image (patchset #15 id:280001
of https://codereview.chromium.org/2034933003/ )

Reason for revert:
Crashes on a few different bots (including ASAN). Examples:

https://build.chromium.org/p/client.skia.android/builders/Test-Android-GCC-Ne...
https://build.chromium.org/p/client.skia/builders/Test-iOS-Clang-iPad4-GPU-SG...
https://build.chromium.org/p/client.skia/builders/Test-Ubuntu-GCC-Golo-GPU-GT...

Original issue's description:
> Store mipmap levels in deferred texture image
> 
> When creating the deferred texture image, detect if using medium / high
> quality. If so, generate and store mipmaps in the deferred texture
> image.
> 
> When creating a texture from that be sure to read it back out.
> 
> BUG=578304
> R=bsalomon@google.com
> GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2034933003
> 
> Committed:
https://skia.googlesource.com/skia/+/b3105190a6e02d37f1d7f07a3a8bdd368ec7f157

TBR=bsalomon@google.com,ericrk@chromium.org,cblume@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=578304

Committed:
https://skia.googlesource.com/skia/+/6efeda4838f5944e4e14ff156be5593aa59cf1aa
==========

[commit-bot: I haz the power, 2016-06-22 14:10:14]

Committed patchset #1 (id:1) as
https://skia.googlesource.com/skia/+/6efeda4838f5944e4e14ff156be5593aa59cf1aa