Revert of [key-accumulator] Starting to reimplement the key-accumulator

Revert of [key-accumulator] Starting to reimplement the key-accumulator (patchset #15 id:280001 of https://codereview.chromium.org/1707743002/ )

Reason for revert:
gcmole again

Original issue's description:
> [key-accumulator] Starting to reimplement the key-accumulator
>
> Introducing the KeyAccumulator accidentally removed some crucial fast-paths.
> This CL starts rewriting the KeyAccumulator, step-by-step introducing the
> special cases again.
>
> BUG=chromium:545503, v8:4758
> LOG=y
>
> Committed: https://crrev.com/9c61327ecb2ee41f34232632e0cac93202bae6b7
> Cr-Commit-Position: refs/heads/master@{#34532}
>
> Committed: https://crrev.com/b954c872aac60657b400079b7333216ea658dc8a
> Cr-Commit-Position: refs/heads/master@{#34548}

TBR=verwaest@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=chromium:545503, v8:4758
Committed: https://crrev.com/4fdf56448b11355c25548529f84a81f24a1b918c
Cr-Commit-Position: refs/heads/master@{#34551}

[Camillo Bruni, 2016-03-07 16:35:58]

Created Revert of [key-accumulator] Starting to reimplement the key-accumulator

[commit-bot: I haz the power, 2016-03-07 16:36:11]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1769043003/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1769043003/1

[commit-bot: I haz the power, 2016-03-07 16:36:24]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-03-07 16:38:04]

Description was changed from

==========
Revert of [key-accumulator] Starting to reimplement the key-accumulator
(patchset #15 id:280001 of https://codereview.chromium.org/1707743002/ )

Reason for revert:
gcmole again

Original issue's description:
> [key-accumulator] Starting to reimplement the key-accumulator
> 
> Introducing the KeyAccumulator accidentally removed some crucial fast-paths.
> This CL starts rewriting the KeyAccumulator, step-by-step introducing the
> special cases again.
> 
> BUG=chromium:545503, v8:4758
> LOG=y
> 
> Committed: https://crrev.com/9c61327ecb2ee41f34232632e0cac93202bae6b7
> Cr-Commit-Position: refs/heads/master@{#34532}
> 
> Committed: https://crrev.com/b954c872aac60657b400079b7333216ea658dc8a
> Cr-Commit-Position: refs/heads/master@{#34548}

TBR=verwaest@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=chromium:545503, v8:4758
==========

to

==========
Revert of [key-accumulator] Starting to reimplement the key-accumulator
(patchset #15 id:280001 of https://codereview.chromium.org/1707743002/ )

Reason for revert:
gcmole again

Original issue's description:
> [key-accumulator] Starting to reimplement the key-accumulator
>
> Introducing the KeyAccumulator accidentally removed some crucial fast-paths.
> This CL starts rewriting the KeyAccumulator, step-by-step introducing the
> special cases again.
>
> BUG=chromium:545503, v8:4758
> LOG=y
>
> Committed: https://crrev.com/9c61327ecb2ee41f34232632e0cac93202bae6b7
> Cr-Commit-Position: refs/heads/master@{#34532}
>
> Committed: https://crrev.com/b954c872aac60657b400079b7333216ea658dc8a
> Cr-Commit-Position: refs/heads/master@{#34548}

TBR=verwaest@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=chromium:545503, v8:4758

Committed: https://crrev.com/4fdf56448b11355c25548529f84a81f24a1b918c
Cr-Commit-Position: refs/heads/master@{#34551}
==========

[commit-bot: I haz the power, 2016-03-07 16:38:05]

Patchset 1 (id:??) landed as
https://crrev.com/4fdf56448b11355c25548529f84a81f24a1b918c
Cr-Commit-Position: refs/heads/master@{#34551}