Version 3.28.10 (based on bleeding_edge revision r22167)

Add clang-format to presubmit checks.

Stack traces exposed to Javascript should omit extensions (issue 311).

Remove deprecated v8::Context::HasOutOfMemoryException.

Postpone termination exceptions in debug scope (issue 3408).

Performance and stability improvements on all platforms.

git-svn-id: https://v8.googlecode.com/svn/trunk@22177 ce2b1a6d-e550-0410-aec6-3dcde31c8c00