Revert of Add new HTTP/2 and HPACK decoder in net/http2/.

Revert of Add new HTTP/2 and HPACK decoder in net/http2/. (patchset #19 id:400001 of https://codereview.chromium.org/2293613002/ )

Reason for revert:
Causing failures in net_unittests DecodeBufferDeathTest.NonNullBufferRequired on Mac (and maybe more).

Original issue's description:
> Add new HTTP/2 and HPACK decoder in net/http2/.
>
> A follow-up CL will add flags and new classes to net/spdy
> that will benefit from this new implementation.
>
> This CL lands all server changes in the http2 directory
> up to 129999723 by jamessynge.
>
> BUG=488484
>
> Committed: https://crrev.com/167743e8a7af542f317afde21d4ba19adc5b1f8f
> Cr-Commit-Position: refs/heads/master@{#436466}

TBR=jamessynge@chromium.org,rch@chromium.org,bnc@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=488484
Committed: https://crrev.com/d0df22be04ce0f84edfe6e6df9ae9b8af910d2ba
Cr-Commit-Position: refs/heads/master@{#436483}

[carlosk, 2016-12-06 01:50:38]

The CQ bit was checked by carlosk@chromium.org

[carlosk, 2016-12-06 01:50:39]

Created Revert of Add new HTTP/2 and HPACK decoder in net/http2/.

[commit-bot: I haz the power, 2016-12-06 01:51:01]

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, 2016-12-06 01:53:11]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1480989038061180, "parent_rev":
"880172c0fd14f68c88e84c9f2f6fa40e098a0dd3", "commit_rev":
"550ed941942b80abe6dd3df2c11e73aceb1d6e32"}

[commit-bot: I haz the power, 2016-12-06 01:53:42]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-12-06 01:55:27]

Description was changed from

==========
Revert of Add new HTTP/2 and HPACK decoder in net/http2/. (patchset #19
id:400001 of https://codereview.chromium.org/2293613002/ )

Reason for revert:
Causing failures in net_unittests DecodeBufferDeathTest.NonNullBufferRequired on
Mac (and maybe more).

Original issue's description:
> Add new HTTP/2 and HPACK decoder in net/http2/.
> 
> A follow-up CL will add flags and new classes to net/spdy
> that will benefit from this new implementation.
> 
> This CL lands all server changes in the http2 directory
> up to 129999723 by jamessynge.
> 
> BUG=488484
> 
> Committed: https://crrev.com/167743e8a7af542f317afde21d4ba19adc5b1f8f
> Cr-Commit-Position: refs/heads/master@{#436466}

TBR=jamessynge@chromium.org,rch@chromium.org,bnc@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=488484
==========

to

==========
Revert of Add new HTTP/2 and HPACK decoder in net/http2/. (patchset #19
id:400001 of https://codereview.chromium.org/2293613002/ )

Reason for revert:
Causing failures in net_unittests DecodeBufferDeathTest.NonNullBufferRequired on
Mac (and maybe more).

Original issue's description:
> Add new HTTP/2 and HPACK decoder in net/http2/.
>
> A follow-up CL will add flags and new classes to net/spdy
> that will benefit from this new implementation.
>
> This CL lands all server changes in the http2 directory
> up to 129999723 by jamessynge.
>
> BUG=488484
>
> Committed: https://crrev.com/167743e8a7af542f317afde21d4ba19adc5b1f8f
> Cr-Commit-Position: refs/heads/master@{#436466}

TBR=jamessynge@chromium.org,rch@chromium.org,bnc@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=488484

Committed: https://crrev.com/d0df22be04ce0f84edfe6e6df9ae9b8af910d2ba
Cr-Commit-Position: refs/heads/master@{#436483}
==========

[commit-bot: I haz the power, 2016-12-06 01:55:28]

Patchset 1 (id:??) landed as
https://crrev.com/d0df22be04ce0f84edfe6e6df9ae9b8af910d2ba
Cr-Commit-Position: refs/heads/master@{#436483}