[Interpreter] Add support for unary operators to bytecode graph builder.

[Interpreter] Add support for unary operators to bytecode graph builder.

Adds implementation and tests for LogicalNot, TypeOf and Delete operators
to bytecode graph builder.

BUG=v8:4280
LOG=N

Committed: https://crrev.com/a8e86c49ec7e86eaa23ede6531a7d1c55b9478db
Cr-Commit-Position: refs/heads/master@{#32104}

[mythria, 2015-11-18 10:43:10]

mythria@chromium.org changed reviewers:
+ bmeurer@chromium.org, oth@chromium.org

[mythria, 2015-11-18 10:43:10]

Could you please review my changes.

Thanks,
Mythri

[oth, 2015-11-18 14:43:35]

Nice tests. lgtm.

[Benedikt Meurer, 2015-11-19 04:54:14]

LGTM on compiler.

[mythria, 2015-11-19 09:37:09]

The CQ bit was checked by mythria@chromium.org

[commit-bot: I haz the power, 2015-11-19 09:37:16]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1459543003/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1459543003/1

[commit-bot: I haz the power, 2015-11-19 09:38:38]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-11-19 09:39:20]

Patchset 1 (id:??) landed as
https://crrev.com/a8e86c49ec7e86eaa23ede6531a7d1c55b9478db
Cr-Commit-Position: refs/heads/master@{#32104}