Continue the quest to drop clipToImageBuffer from WebKit.
The bgLayer->clip() == TextFillBox is a non-standard rarely used feature. The replacement code has the same speed on Mac.
Created attachment 128179 [details]
Created attachment 128180 [details]
perf test (background image is not attached)
Comment on attachment 128179 [details]
Looks great, r=me. As cr-linux is green as well, I assume this doesn't change pixel tests at all.
Yeah. Now it is green :)