When I stripped out "unneeded" service accessibility in Bug 180670, I didn't realize that there were logging routines that needed access to the power log services under iOS. This patch re-enabled access to the power logger infrastructure to avoid these errors.
<rdar://problem/36442803>
Created attachment 331948 [details] Patch
Committed r227349: <https://trac.webkit.org/changeset/227349>