[debugger] use object with null proto to materialize scopes.

[debugger] use object with null proto to materialize scopes.

Otherwise property lookups would also travel up the prototype chain, which makes no sense for the debugger use case.

R=bmeurer@chromium.org

Committed: https://crrev.com/c47066585a888771925755c46bc667d9e068fe7d
Cr-Commit-Position: refs/heads/master@{#35806}

[Yang, 2016-04-27 05:43:02]

Description was changed from

==========
[debuigger] use object with null proto to materialize scopes.

R=bmeurer@chromium.org
==========

to

==========
[debuigger] use object with null proto to materialize scopes.

Otherwise property lookups would also travel up the prototype chain, which makes
no sense for the debugger use case.

R=bmeurer@chromium.org
==========

[Benedikt Meurer, 2016-04-27 05:46:23]

The CQ bit was checked by bmeurer@chromium.org

[Benedikt Meurer, 2016-04-27 05:46:24]

lgtm

[commit-bot: I haz the power, 2016-04-27 05:46:32]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1928463002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1928463002/1

[Yang, 2016-04-27 05:47:06]

Description was changed from

==========
[debuigger] use object with null proto to materialize scopes.

Otherwise property lookups would also travel up the prototype chain, which makes
no sense for the debugger use case.

R=bmeurer@chromium.org
==========

to

==========
[debugger] use object with null proto to materialize scopes.

Otherwise property lookups would also travel up the prototype chain, which makes
no sense for the debugger use case.

R=bmeurer@chromium.org
==========

[commit-bot: I haz the power, 2016-04-27 06:07:26]

Description was changed from

==========
[debugger] use object with null proto to materialize scopes.

Otherwise property lookups would also travel up the prototype chain, which makes
no sense for the debugger use case.

R=bmeurer@chromium.org
==========

to

==========
[debugger] use object with null proto to materialize scopes.

Otherwise property lookups would also travel up the prototype chain, which makes
no sense for the debugger use case.

R=bmeurer@chromium.org
==========

[commit-bot: I haz the power, 2016-04-27 06:07:27]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-04-27 06:09:29]

Description was changed from

==========
[debugger] use object with null proto to materialize scopes.

Otherwise property lookups would also travel up the prototype chain, which makes
no sense for the debugger use case.

R=bmeurer@chromium.org
==========

to

==========
[debugger] use object with null proto to materialize scopes.

Otherwise property lookups would also travel up the prototype chain, which makes
no sense for the debugger use case.

R=bmeurer@chromium.org

Committed: https://crrev.com/c47066585a888771925755c46bc667d9e068fe7d
Cr-Commit-Position: refs/heads/master@{#35806}
==========

[commit-bot: I haz the power, 2016-04-27 06:09:30]

Patchset 1 (id:??) landed as
https://crrev.com/c47066585a888771925755c46bc667d9e068fe7d
Cr-Commit-Position: refs/heads/master@{#35806}