This is purely a refactoring patch (in preparation for the introduction of a Probe::Context data structure in https://bugs.webkit.org/show_bug.cgi?id=175688 later). This patch does not change any semantics / behavior.
Created attachment 318518 [details]
patch for landing.
This patch was already rubber-stamped by JF offline.
Landed in r220921: <http://trac.webkit.org/r220921>.