Revert of Disable the CompilerDispatcher if we don't have idle time

Revert of Disable the CompilerDispatcher if we don't have idle time (patchset #1 id:1 of https://codereview.chromium.org/2600743002/ )

Reason for revert:
[Sheriff] Speculative revert since we got persistent timeouts on win32 debug:
https://build.chromium.org/p/client.v8/builders/V8%20Win32%20-%20debug/builds/6417

Please reland if it doesn't help.

Original issue's description:
> Disable the CompilerDispatcher if we don't have idle time
> 
> Since we can't do all steps on background threads, we need idle time to
> work
> 
> BUG=v8:5215
> R=danno@chromium.org
> 
> Review-Url: https://codereview.chromium.org/2600743002
> Cr-Commit-Position: refs/heads/master@{#41944}
> Committed: https://chromium.googlesource.com/v8/v8/+/a0d9eb346bba90aa0b32a2d3184cbbfd6adb243e

TBR=danno@chromium.org,jochen@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=v8:5215
Review-Url: https://codereview.chromium.org/2600773002
Cr-Commit-Position: refs/heads/master@{#41948}
Committed: https://chromium.googlesource.com/v8/v8/+/26325f0c8d2fc3149457f63be88dd15238e6496d

[Michael Achenbach, 2016-12-23 19:03:30]

The CQ bit was checked by machenbach@chromium.org

[Michael Achenbach, 2016-12-23 19:03:31]

Created Revert of Disable the CompilerDispatcher if we don't have idle time

[commit-bot: I haz the power, 2016-12-23 19:03:42]

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, 2016-12-23 19:03:49]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1482519810881060, "parent_rev":
"0f5c69c5eded518dfd4af3d64b8bb2c8212826d4", "commit_rev":
"26325f0c8d2fc3149457f63be88dd15238e6496d"}

[commit-bot: I haz the power, 2016-12-23 19:03:54]

Description was changed from

==========
Revert of Disable the CompilerDispatcher if we don't have idle time (patchset #1
id:1 of https://codereview.chromium.org/2600743002/ )

Reason for revert:
[Sheriff] Speculative revert since we got persistent timeouts on win32 debug:
https://build.chromium.org/p/client.v8/builders/V8%20Win32%20-%20debug/builds...

Please reland if it doesn't help.

Original issue's description:
> Disable the CompilerDispatcher if we don't have idle time
> 
> Since we can't do all steps on background threads, we need idle time to
> work
> 
> BUG=v8:5215
> R=danno@chromium.org
> 
> Review-Url: https://codereview.chromium.org/2600743002
> Cr-Commit-Position: refs/heads/master@{#41944}
> Committed:
https://chromium.googlesource.com/v8/v8/+/a0d9eb346bba90aa0b32a2d3184cbbfd6ad...

TBR=danno@chromium.org,jochen@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=v8:5215
==========

to

==========
Revert of Disable the CompilerDispatcher if we don't have idle time (patchset #1
id:1 of https://codereview.chromium.org/2600743002/ )

Reason for revert:
[Sheriff] Speculative revert since we got persistent timeouts on win32 debug:
https://build.chromium.org/p/client.v8/builders/V8%20Win32%20-%20debug/builds...

Please reland if it doesn't help.

Original issue's description:
> Disable the CompilerDispatcher if we don't have idle time
> 
> Since we can't do all steps on background threads, we need idle time to
> work
> 
> BUG=v8:5215
> R=danno@chromium.org
> 
> Review-Url: https://codereview.chromium.org/2600743002
> Cr-Commit-Position: refs/heads/master@{#41944}
> Committed:
https://chromium.googlesource.com/v8/v8/+/a0d9eb346bba90aa0b32a2d3184cbbfd6ad...

TBR=danno@chromium.org,jochen@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=v8:5215

Review-Url: https://codereview.chromium.org/2600773002
Cr-Commit-Position: refs/heads/master@{#41948}
Committed:
https://chromium.googlesource.com/v8/v8/+/26325f0c8d2fc3149457f63be88dd15238e...
==========

[commit-bot: I haz the power, 2016-12-23 19:03:55]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/v8/v8/+/26325f0c8d2fc3149457f63be88dd15238e...