Replace all IPC message send flags with OptionSet
Created attachment 287022 [details] Patch
Created attachment 287031 [details] Patch
Created attachment 287034 [details] Patch
Committed r204996: <http://trac.webkit.org/changeset/204996>
Fix a EFL build break caused by this commit - https://trac.webkit.org/changeset/205009
Comment on attachment 287034 [details] Patch removing r?, it's already landed