Revert of Track GL buffer state based on unique resource ID

Revert of Track GL buffer state based on unique resource ID (patchset #6 id:100001 of https://codereview.chromium.org/1854283004/ )

Reason for revert:
Chrome roll's broken, seems to be missing fTarget:

https://codereview.chromium.org/1861473005

Original issue's description:
> Track GL buffer state based on unique resource ID
> 
> Reworks GrGLGpu to track GL buffer state based on the unique
> GrGpuResource ID. This eliminates the need to notify the gpu object
> whenever a buffer is deleted.
> 
> This change also allows us to remove the type specifier from GrBuffer.
> At this point a buffer is just a chunk of memory, and the type
> given at creation time is just a suggestion to the GL backend about
> which target to bind to for updates.
> 
> BUG=skia:
> GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1854283004
> 
> Committed: https://skia.googlesource.com/skia/+/deacc97bc63513b5eacaf21f858727f6e8b98ce5

TBR=bsalomon@google.com,jvanverth@google.com,cdalton@nvidia.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:

Committed: https://skia.googlesource.com/skia/+/044d3c185876f9960f07b88f068cf08d78311e33

[mtklein, 2016-04-07 01:24:18]

Created Revert of Track GL buffer state based on unique resource ID

[commit-bot: I haz the power, 2016-04-07 01:24:28]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1870553002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1870553002/1

[commit-bot: I haz the power, 2016-04-07 01:24:37]

Description was changed from

==========
Revert of Track GL buffer state based on unique resource ID (patchset #6
id:100001 of https://codereview.chromium.org/1854283004/ )

Reason for revert:
Chrome roll's broken, seems to be missing fTarget:

https://codereview.chromium.org/1861473005

Original issue's description:
> Track GL buffer state based on unique resource ID
> 
> Reworks GrGLGpu to track GL buffer state based on the unique
> GrGpuResource ID. This eliminates the need to notify the gpu object
> whenever a buffer is deleted.
> 
> This change also allows us to remove the type specifier from GrBuffer.
> At this point a buffer is just a chunk of memory, and the type
> given at creation time is just a suggestion to the GL backend about
> which target to bind to for updates.
> 
> BUG=skia:
> GOLD_TRYBOT_URL=
https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&is...
> 
> Committed:
https://skia.googlesource.com/skia/+/deacc97bc63513b5eacaf21f858727f6e8b98ce5

TBR=bsalomon@google.com,jvanverth@google.com,cdalton@nvidia.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:
==========

to

==========
Revert of Track GL buffer state based on unique resource ID (patchset #6
id:100001 of https://codereview.chromium.org/1854283004/ )

Reason for revert:
Chrome roll's broken, seems to be missing fTarget:

https://codereview.chromium.org/1861473005

Original issue's description:
> Track GL buffer state based on unique resource ID
> 
> Reworks GrGLGpu to track GL buffer state based on the unique
> GrGpuResource ID. This eliminates the need to notify the gpu object
> whenever a buffer is deleted.
> 
> This change also allows us to remove the type specifier from GrBuffer.
> At this point a buffer is just a chunk of memory, and the type
> given at creation time is just a suggestion to the GL backend about
> which target to bind to for updates.
> 
> BUG=skia:
> GOLD_TRYBOT_URL=
https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&is...
> 
> Committed:
https://skia.googlesource.com/skia/+/deacc97bc63513b5eacaf21f858727f6e8b98ce5

TBR=bsalomon@google.com,jvanverth@google.com,cdalton@nvidia.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:

Committed:
https://skia.googlesource.com/skia/+/044d3c185876f9960f07b88f068cf08d78311e33
==========

[commit-bot: I haz the power, 2016-04-07 01:24:38]

Committed patchset #1 (id:1) as
https://skia.googlesource.com/skia/+/044d3c185876f9960f07b88f068cf08d78311e33