Revert of Reland: [Parse] ParseInfo owns the parsing Zone.

Revert of Reland: [Parse] ParseInfo owns the parsing Zone. (patchset #6 id:120001 of https://codereview.chromium.org/2632123006/ )

Reason for revert:
doesn't compile on ToT 

Original issue's description:
> Reland: [Parse] ParseInfo owns the parsing Zone.
> 
> Moves ownership of the parsing Zone to ParseInfo with a shared_ptr. This is
> in preperation for enabling background compilation jobs for inner functions
> share the AST in the outer-function's parse zone memory (read-only), with the
> and zone being released when all compilation jobs have completed.
> 
> BUG=v8:5203, v8:5215
> 
> Review-Url: https://codereview.chromium.org/2632123006
> Cr-Commit-Position: refs/heads/master@{#42993}
> Committed: https://chromium.googlesource.com/v8/v8/+/14fb337200d5da09c77438ddd40bea935b1dc823

TBR=marja@chromium.org,mstarzinger@chromium.org,ahaas@chromium.org,verwaest@chromium.org,rmcilroy@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=v8:5203, v8:5215
Review-Url: https://codereview.chromium.org/2685543003
Cr-Commit-Position: refs/heads/master@{#42994}
Committed: https://chromium.googlesource.com/v8/v8/+/8f4c4233dc143242c91d74769b5fbd2c55b2ccef

[jochen (gone - plz use gerrit), 2017-02-07 13:02:29]

The CQ bit was checked by jochen@chromium.org

[jochen (gone - plz use gerrit), 2017-02-07 13:02:29]

Created Revert of Reland: [Parse] ParseInfo owns the parsing Zone.

[commit-bot: I haz the power, 2017-02-07 13:02:33]

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, 2017-02-07 13:02:49]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1486472549358090, "parent_rev":
"14fb337200d5da09c77438ddd40bea935b1dc823", "commit_rev":
"8f4c4233dc143242c91d74769b5fbd2c55b2ccef"}

[commit-bot: I haz the power, 2017-02-07 13:02:53]

Description was changed from

==========
Revert of Reland: [Parse] ParseInfo owns the parsing Zone. (patchset #6
id:120001 of https://codereview.chromium.org/2632123006/ )

Reason for revert:
doesn't compile on ToT 

Original issue's description:
> Reland: [Parse] ParseInfo owns the parsing Zone.
> 
> Moves ownership of the parsing Zone to ParseInfo with a shared_ptr. This is
> in preperation for enabling background compilation jobs for inner functions
> share the AST in the outer-function's parse zone memory (read-only), with the
> and zone being released when all compilation jobs have completed.
> 
> BUG=v8:5203,v8:5215
> 
> Review-Url: https://codereview.chromium.org/2632123006
> Cr-Commit-Position: refs/heads/master@{#42993}
> Committed:
https://chromium.googlesource.com/v8/v8/+/14fb337200d5da09c77438ddd40bea935b1...

TBR=marja@chromium.org,mstarzinger@chromium.org,ahaas@chromium.org,verwaest@c...
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=v8:5203,v8:5215
==========

to

==========
Revert of Reland: [Parse] ParseInfo owns the parsing Zone. (patchset #6
id:120001 of https://codereview.chromium.org/2632123006/ )

Reason for revert:
doesn't compile on ToT 

Original issue's description:
> Reland: [Parse] ParseInfo owns the parsing Zone.
> 
> Moves ownership of the parsing Zone to ParseInfo with a shared_ptr. This is
> in preperation for enabling background compilation jobs for inner functions
> share the AST in the outer-function's parse zone memory (read-only), with the
> and zone being released when all compilation jobs have completed.
> 
> BUG=v8:5203,v8:5215
> 
> Review-Url: https://codereview.chromium.org/2632123006
> Cr-Commit-Position: refs/heads/master@{#42993}
> Committed:
https://chromium.googlesource.com/v8/v8/+/14fb337200d5da09c77438ddd40bea935b1...

TBR=marja@chromium.org,mstarzinger@chromium.org,ahaas@chromium.org,verwaest@c...
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=v8:5203,v8:5215

Review-Url: https://codereview.chromium.org/2685543003
Cr-Commit-Position: refs/heads/master@{#42994}
Committed:
https://chromium.googlesource.com/v8/v8/+/8f4c4233dc143242c91d74769b5fbd2c55b...
==========

[commit-bot: I haz the power, 2017-02-07 13:02:54]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/v8/v8/+/8f4c4233dc143242c91d74769b5fbd2c55b...