X87: [stubs] Properly handle read-only properties in StoreGlobalViaContextStub.

X87: [stubs] Properly handle read-only properties in StoreGlobalViaContextStub.

port cac64b9f634743f7f5311d4dca8d50157b10fab5 (r29881)

original commit message:

    We don't need the hole check and slow runtime mode for read-only
    properties this way.

BUG=

Committed: https://crrev.com/02f097487cb69c1b51712e8b3c6e767b0f892fdf
Cr-Commit-Position: refs/heads/master@{#29891}

[chunyang.dai, 2015-07-28 07:49:04]

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

[chunyang.dai, 2015-07-28 07:49:04]

PTAL

[Weiliang, 2015-07-28 08:10:12]

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

[Weiliang, 2015-07-28 08:10:12]

lgtm

[commit-bot: I haz the power, 2015-07-28 08:10:22]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1263473002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1263473002/1

[commit-bot: I haz the power, 2015-07-28 08:34:39]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-07-28 08:34:51]

Patchset 1 (id:??) landed as
https://crrev.com/02f097487cb69c1b51712e8b3c6e767b0f892fdf
Cr-Commit-Position: refs/heads/master@{#29891}