Remove markDead() and isDead()

Remove markDead() and isDead()

After the per-thread heap was shipped, markDead() is no longer reachable.
This CL removes code that uses the dead bit.

BUG=671856
Review-Url: https://codereview.chromium.org/2679103005
Cr-Commit-Position: refs/heads/master@{#448956}
Committed: https://chromium.googlesource.com/chromium/src/+/4b9ec9d0dd42483207e9fab00d11f3df253d18e4

[haraken, 2017-02-08 09:18:06]

haraken@chromium.org changed reviewers:
+ sigbjornf@opera.com

[haraken, 2017-02-08 09:18:07]

PTAL

https://codereview.chromium.org/2679103005/diff/1/third_party/WebKit/Source/p...
File third_party/WebKit/Source/platform/heap/HeapPage.h (right):

https://codereview.chromium.org/2679103005/diff/1/third_party/WebKit/Source/p...
third_party/WebKit/Source/platform/heap/HeapPage.h:161: // a promptly freed
header.

I'll look into this. I'm not sure how easy it is to remove the bit.

[sof, 2017-02-08 09:24:00]

lgtm

https://codereview.chromium.org/2679103005/diff/1/third_party/WebKit/Source/p...
File third_party/WebKit/Source/platform/heap/HeapPage.h (right):

https://codereview.chromium.org/2679103005/diff/1/third_party/WebKit/Source/p...
third_party/WebKit/Source/platform/heap/HeapPage.h:161: // a promptly freed
header.
On 2017/02/08 09:18:06, haraken wrote:
> 
> I'll look into this. I'm not sure how easy it is to remove the bit.

s/a promptly freed header/promptly freed object/

[haraken, 2017-02-08 09:32:47]

The CQ bit was checked by haraken@chromium.org

[haraken, 2017-02-08 09:32:48]

The patchset sent to the CQ was uploaded after l-g-t-m from sigbjornf@opera.com
Link to the patchset: https://codereview.chromium.org/2679103005/#ps20001
(title: "temp")

[commit-bot: I haz the power, 2017-02-08 09:33:10]

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, 2017-02-08 11:13:46]

CQ is committing da patch.

Bot data: {"patchset_id": 20001, "attempt_start_ts": 1486546367633010,
"parent_rev": "b9e287e5af645fe02056c99c36b6ffc40925ff07", "commit_rev":
"4b9ec9d0dd42483207e9fab00d11f3df253d18e4"}

[commit-bot: I haz the power, 2017-02-08 11:14:20]

Description was changed from

==========
Remove markDead() and isDead()

After the per-thread heap was shipped, markDead() is no longer reachable.
This CL removes code that uses the dead bit.

BUG=671856
==========

to

==========
Remove markDead() and isDead()

After the per-thread heap was shipped, markDead() is no longer reachable.
This CL removes code that uses the dead bit.

BUG=671856

Review-Url: https://codereview.chromium.org/2679103005
Cr-Commit-Position: refs/heads/master@{#448956}
Committed:
https://chromium.googlesource.com/chromium/src/+/4b9ec9d0dd42483207e9fab00d11...
==========

[commit-bot: I haz the power, 2017-02-08 11:14:22]

Committed patchset #2 (id:20001) as
https://chromium.googlesource.com/chromium/src/+/4b9ec9d0dd42483207e9fab00d11...