Isolatify CPU profiler public API

BUG=None

Review URL: https://codereview.chromium.org/12950004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@14006 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Explicitly pass the isolate to create handles in ic.cc

Review URL: https://chromiumcodereview.appspot.com/12704015

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@14007 ce2b1a6d-e550-0410-aec6-3dcde31c8c00