Version 3.28.38 (based on bleeding_edge revision r22610)

Fix issue with setters and their holders in accessors.cc (Chromium issue 3462).

Introduce more debug events for promises (issue 3093).

Move gc notifications from V8 to Isolate and make idle hint mandatory (Chromium issue 397026).

The accessors should get the value from the holder and not from this (issue 3461).

Performance and stability improvements on all platforms.

git-svn-id: https://v8.googlecode.com/svn/trunk@22611 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Merge remote-tracking branch 'upstream/trunk' into trunk