Two bugfixes for hydrogen-based array constructors

CacheInitialJSArrayMaps needs to be able to pick up where it left off,
as it can now be called from a handlfied context.

Disable incremental marking for CCTest SetJitCodeEventHandler, as it allocates
during compilation.

BUG=

Review URL: https://codereview.chromium.org/14642002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@14495 ce2b1a6d-e550-0410-aec6-3dcde31c8c00