Implement the "should paint bounds instead of indiviual rects" algorithm from WebKit1
Created attachment 79034 [details] Patch
Comment on attachment 79034 [details] Patch View in context: https://bugs.webkit.org/attachment.cgi?id=79034&action=review > WebKit2/WebProcess/WebPage/DrawingAreaImpl.cpp:184 > + const float wastedSpaceThreshold = 0.75f; You should use a double here and remove the f.
Committed r75849: <http://trac.webkit.org/changeset/75849>