Add a SPI variant of loadData that accepts user data to WKWebView
Created attachment 263867 [details]
Attachment 263867 [details] did not pass style-queue:
ERROR: Source/WebKit2/ChangeLog:1: ChangeLog entry has no bug number [changelog/bugnumber] 
Total errors found: 1 in 3 files
If any of these errors are false positives, please file a bug against check-webkit-style.