Fix WebGL diagnostic logging so that it no longer uses logDiagnosticMessageWithValue(). This is because the value apparently needs to be numeric on Mac.
<rdar://problem/30216981>
Created attachment 299838 [details] Patch
Comment on attachment 299838 [details] Patch Clearing flags on attachment: 299838 Committed r211229: <http://trac.webkit.org/changeset/211229>
All reviewed patches have been landed. Closing bug.