Add Object::IsNullOrUndefined(Isolate*) helper method

Add Object::IsNullOrUndefined(Isolate*) helper method

The pattern IsNull(isolate) || IsUndefined(isolate) is used in many places all
over the code base.

Review-Url: https://codereview.chromium.org/2601503002
Cr-Commit-Position: refs/heads/master@{#42138}
Committed: https://chromium.googlesource.com/v8/v8/+/09167bf6cd4aaa321803eb8f4261295840e89730

[Camillo Bruni, 2016-12-22 14:13:36]

The CQ bit was checked by cbruni@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2016-12-22 14:13:37]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[Camillo Bruni, 2016-12-22 14:17:28]

cbruni@chromium.org changed reviewers:
+ bmeurer@chromium.org, yangguo@chromium.org

[Camillo Bruni, 2016-12-22 14:17:29]

PTAL

[Yang, 2016-12-22 14:27:21]

lgtm

[commit-bot: I haz the power, 2016-12-22 14:43:54]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2016-12-22 14:43:55]

Dry run: This issue passed the CQ dry run.

[Benedikt Meurer, 2017-01-09 10:52:56]

LGTM.

[Camillo Bruni, 2017-01-09 11:32:43]

The CQ bit was checked by cbruni@chromium.org

[commit-bot: I haz the power, 2017-01-09 11:32:55]

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, 2017-01-09 11:34:02]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2017-01-09 11:34:03]

Try jobs failed on following builders:
  v8_linux_arm64_rel_ng on master.tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_linux_arm64_rel_ng/build...)
  v8_linux_gcc_compile_rel on master.tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_linux_gcc_compile_rel/bu...)
  v8_mac_rel_ng on master.tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_mac_rel_ng/builds/15162)

[Camillo Bruni, 2017-01-09 12:07:08]

The CQ bit was checked by cbruni@chromium.org

[Camillo Bruni, 2017-01-09 12:07:08]

The patchset sent to the CQ was uploaded after l-g-t-m from
bmeurer@chromium.org, yangguo@chromium.org
Link to the patchset: https://codereview.chromium.org/2601503002/#ps20001
(title: "fixing merge conflicts")

[commit-bot: I haz the power, 2017-01-09 12:07:18]

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, 2017-01-09 13:40:52]

CQ is committing da patch.

Bot data: {"patchset_id": 20001, "attempt_start_ts": 1483963628456770,
"parent_rev": "e24f3f3bd55995fbb2609ddd74a6a79e96f7d943", "commit_rev":
"09167bf6cd4aaa321803eb8f4261295840e89730"}

[commit-bot: I haz the power, 2017-01-09 13:40:56]

Description was changed from

==========
Add Object::IsNullOrUndefined(Isolate*) helper method

The pattern IsNull(isolate) || IsUndefined(isolate) is used in many places all
over the code base.
==========

to

==========
Add Object::IsNullOrUndefined(Isolate*) helper method

The pattern IsNull(isolate) || IsUndefined(isolate) is used in many places all
over the code base.

Review-Url: https://codereview.chromium.org/2601503002
Cr-Commit-Position: refs/heads/master@{#42138}
Committed:
https://chromium.googlesource.com/v8/v8/+/09167bf6cd4aaa321803eb8f4261295840e...
==========

[commit-bot: I haz the power, 2017-01-09 13:40:57]

Committed patchset #2 (id:20001) as
https://chromium.googlesource.com/v8/v8/+/09167bf6cd4aaa321803eb8f4261295840e...