[heap] Use hashmap instead of RB tree for ArrayBufferTracker

[heap] Use hashmap instead of RB tree for ArrayBufferTracker

BUG=chromium:611688
LOG=N
R=machenbach@chromium.org

Committed: https://crrev.com/7fda3adb655959d0c1cd8fe8cabc16363e783563
Cr-Commit-Position: refs/heads/master@{#37271}

[Michael Lippautz, 2016-06-23 09:33:16]

Description was changed from

==========
[heap] Use hashmap instead of RB tree for ArrayBufferTracker

BUG=
==========

to

==========
[heap] Use hashmap instead of RB tree for ArrayBufferTracker

BUG=chromium:611688
LOG=N
==========

[Michael Lippautz, 2016-06-23 09:35:26]

Description was changed from

==========
[heap] Use hashmap instead of RB tree for ArrayBufferTracker

BUG=chromium:611688
LOG=N
==========

to

==========
[heap] Use hashmap instead of RB tree for ArrayBufferTracker

BUG=chromium:611688
LOG=N
R=machenbach@chromium.org
==========

[Michael Lippautz, 2016-06-23 09:35:26]

mlippautz@chromium.org changed reviewers:
+ machenbach@chromium.org

[Michael Lippautz, 2016-06-23 09:36:20]

PTAL: Let's land this whenever you feel we are ready.

[Michael Achenbach, 2016-06-24 06:35:50]

Anytime! LGTM

[Michael Lippautz, 2016-06-27 06:53:33]

The CQ bit was checked by mlippautz@chromium.org

[commit-bot: I haz the power, 2016-06-27 06:53:38]

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, 2016-06-27 07:21:26]

Description was changed from

==========
[heap] Use hashmap instead of RB tree for ArrayBufferTracker

BUG=chromium:611688
LOG=N
R=machenbach@chromium.org
==========

to

==========
[heap] Use hashmap instead of RB tree for ArrayBufferTracker

BUG=chromium:611688
LOG=N
R=machenbach@chromium.org
==========

[commit-bot: I haz the power, 2016-06-27 07:21:27]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-06-27 07:22:42]

Description was changed from

==========
[heap] Use hashmap instead of RB tree for ArrayBufferTracker

BUG=chromium:611688
LOG=N
R=machenbach@chromium.org
==========

to

==========
[heap] Use hashmap instead of RB tree for ArrayBufferTracker

BUG=chromium:611688
LOG=N
R=machenbach@chromium.org

Committed: https://crrev.com/7fda3adb655959d0c1cd8fe8cabc16363e783563
Cr-Commit-Position: refs/heads/master@{#37271}
==========

[commit-bot: I haz the power, 2016-06-27 07:22:43]

Patchset 1 (id:??) landed as
https://crrev.com/7fda3adb655959d0c1cd8fe8cabc16363e783563
Cr-Commit-Position: refs/heads/master@{#37271}