Update V8 to version 4.7.28.
commit503fe96393ec01a431b3fbcc50716c76dcd8e931
authorv8-autoroll <v8-autoroll@chromium.org>
Fri, 4 Sep 2015 15:15:59 +0000 (4 08:15 -0700)
committerCommit bot <commit-bot@chromium.org>
Fri, 4 Sep 2015 15:16:34 +0000 (4 15:16 +0000)
tree93c8657e0a896fd4f143c5a9fc3bce72cf21be79
parent6d6c9ac82e8f06abb047501d37b95cae145a727c
Update V8 to version 4.7.28.

Summary of changes available at:
https://chromium.googlesource.com/v8/v8/+log/81766c28..d310e385

Please follow these instructions for assigning/CC'ing issues:
https://code.google.com/p/v8-wiki/wiki/TriagingIssues

Please close rolling in case of a roll revert:
https://v8-roll.appspot.com/

TBR=hablich@chromium.org,machenbach@chromium.org,yangguo@chromium.org,vogelheim@chromium.org

Review URL: https://codereview.chromium.org/1318223005

Cr-Commit-Position: refs/heads/master@{#347406}
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