Delete the v8_target_cpu/v8_current_cpu hack in the GN build.

Delete the v8_target_cpu/v8_current_cpu hack in the GN build.

This finishes the work in bug 625353 to make
v8_target_cpu/v8_current_cpu work correctly across multiple
toolchains, by deleting the workaround that was needed to
get the changes to land across repos.

TBR=machenbach@chromium.org
BUG=625353
Committed: https://crrev.com/d3e00ac37e3722cc93d102164b23629e8cc6af31
Cr-Commit-Position: refs/heads/master@{#405933}

[Dirk Pranke, 2016-07-16 03:20:54]

The CQ bit was checked by dpranke@chromium.org

[commit-bot: I haz the power, 2016-07-16 03:21:07]

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, 2016-07-16 04:28:42]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-07-16 04:29:54]

Description was changed from

==========
Delete the v8_target_cpu/v8_current_cpu hack in the GN build.

This finishes the work in bug 625353 to make
v8_target_cpu/v8_current_cpu work correctly across multiple
toolchains, by deleting the workaround that was needed to
get the changes to land across repos.

TBR=machenbach@chromium.org
BUG=625353
==========

to

==========
Delete the v8_target_cpu/v8_current_cpu hack in the GN build.

This finishes the work in bug 625353 to make
v8_target_cpu/v8_current_cpu work correctly across multiple
toolchains, by deleting the workaround that was needed to
get the changes to land across repos.

TBR=machenbach@chromium.org
BUG=625353

Committed: https://crrev.com/d3e00ac37e3722cc93d102164b23629e8cc6af31
Cr-Commit-Position: refs/heads/master@{#405933}
==========

[commit-bot: I haz the power, 2016-07-16 04:29:55]

Patchset 1 (id:??) landed as
https://crrev.com/d3e00ac37e3722cc93d102164b23629e8cc6af31
Cr-Commit-Position: refs/heads/master@{#405933}

[Michael Achenbach, 2016-07-18 07:02:52]

lgtm