X87: Do not add extra argument for new.target.

X87: Do not add extra argument for new.target.

port 8196c28a94f62dec026f2b564ba81d690a4ed593 (r29238).

original commit message:

  JSConstructStub for subclass constructors instead locates new.target in
  a known location on the stack.

BUG=

Committed: https://crrev.com/18d27f19359bd76a4818e9a13ae67bebfc3cd012
Cr-Commit-Position: refs/heads/master@{#29398}

[chunyang.dai, 2015-06-30 09:14:35]

chunyang.dai@intel.com changed reviewers:
+ weiliang.lin@intel.com

[chunyang.dai, 2015-06-30 09:14:36]

PTAL

[Weiliang, 2015-07-01 01:26:02]

The CQ bit was checked by weiliang.lin@intel.com

[Weiliang, 2015-07-01 01:26:02]

lgtm

[commit-bot: I haz the power, 2015-07-01 01:26:18]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1207613003/1

[commit-bot: I haz the power, 2015-07-01 01:57:23]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-07-01 01:57:41]

Patchset 1 (id:??) landed as
https://crrev.com/18d27f19359bd76a4818e9a13ae67bebfc3cd012
Cr-Commit-Position: refs/heads/master@{#29398}