Version 3.26.0 (based on bleeding_edge revision r20354)

Deprecate Start/StopCpuProfiling methods (issue 3213).

Don't crash if we get a timezone change notification on an uninitialized isolate (Chromium issue 357362).

Performance and stability improvements on all platforms.

git-svn-id: https://v8.googlecode.com/svn/trunk@20359 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Merge remote-tracking branch 'upstream/trunk' into trunk