Drop FrameLoaderClient::sessionID(). The Frame can get the sessionID from its page (Which is what the FrameLoaderClient::sessionID() ended up doing) and other call sites at WebKit2 layer can get the sessionID from the WebProcess singleton.
Created attachment 379039 [details] Patch
Created attachment 379041 [details] Patch
Comment on attachment 379041 [details] Patch r=me
Comment on attachment 379041 [details] Patch Clearing flags on attachment: 379041 Committed r250043: <https://trac.webkit.org/changeset/250043>
All reviewed patches have been landed. Closing bug.
<rdar://problem/55482907>
<rdar://problem/55482910>