Fix JSArrayBuffer is shared check for big endian.

Fix JSArrayBuffer is shared check for big endian.

Load the correct 32-bit word to determine if the buffer is shared by
using kBitFieldOffset instead of kBitFieldSlot.

R=ishell@chromium.org,mstarzinger@chromium.org,jkummerow@chromium.org
BUG=
LOG=N

Committed: https://crrev.com/fb7841b314e73e665c3c13a24ca8d96eec553ac3
Cr-Commit-Position: refs/heads/master@{#40730}

[mcornac, 2016-11-02 20:32:31]

PTAL

[Michael Starzinger, 2016-11-03 11:45:26]

LGTM.

[Igor Sheludko, 2016-11-03 11:53:46]

lgtm

[mcornac, 2016-11-03 14:06:36]

The CQ bit was checked by cornacch@ca.ibm.com

[commit-bot: I haz the power, 2016-11-03 14:06:44]

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, 2016-11-03 14:34:04]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-11-17 22:20:48]

Description was changed from

==========
Fix JSArrayBuffer is shared check for big endian.

Load the correct 32-bit word to determine if the buffer is shared by
using kBitFieldOffset instead of kBitFieldSlot.

R=ishell@chromium.org,mstarzinger@chromium.org,jkummerow@chromium.org
BUG=
LOG=N
==========

to

==========
Fix JSArrayBuffer is shared check for big endian.

Load the correct 32-bit word to determine if the buffer is shared by
using kBitFieldOffset instead of kBitFieldSlot.

R=ishell@chromium.org,mstarzinger@chromium.org,jkummerow@chromium.org
BUG=
LOG=N

Committed: https://crrev.com/fb7841b314e73e665c3c13a24ca8d96eec553ac3
Cr-Commit-Position: refs/heads/master@{#40730}
==========

[commit-bot: I haz the power, 2016-11-17 22:20:49]

Patchset 1 (id:??) landed as
https://crrev.com/fb7841b314e73e665c3c13a24ca8d96eec553ac3
Cr-Commit-Position: refs/heads/master@{#40730}