WKView accumulates pixel garbage before web process has had a chance to draw anything (if Aero is disabled)
Created attachment 78169 [details] Fill the WKView with white when the web process hasn't drawn anything yet
Attachment 78169 [details] did not build on qt: Build output: http://queues.webkit.org/results/7316476
Created attachment 78181 [details] Fill the WKView with white when the web process hasn't drawn anything yet
Committed r75267: <http://trac.webkit.org/changeset/75267>