ScrollController will soon be shared between platforms, so it makes sense to pull out Mac-specific code into its own source file.
Created attachment 420302 [details]
Created attachment 420303 [details]
Diff handling file move
I have also uploaded the git diff which handles file moves and making an easier to read diff.
Created attachment 420309 [details]
Committed r272878: <https://commits.webkit.org/r272878>
All reviewed patches have been landed. Closing bug and clearing flags on attachment 420309 [details].