When fixed layout is on, dirty image is shown as soon as new page loading is begun.
Created attachment 237681 [details] WIP
Reproduce step 1. WebKitBuild/Release/bin/MiniBrowser -L 1 http://www.naver.com 2. Scroll page down 3. Press any link 4. Next page loading is begun after dirty image is shown.
Created attachment 237696 [details] Patch
Created attachment 237734 [details] Patch
CC'ing Yoon, what do you think about blocking to draw until next page's non-empty layout ?
Created attachment 238015 [details] Patch
CC'ing Ossy. Ossy, could you take a look this patch ? This is a simple patch to fix a regression caused by r170242, which you gave rs+ed.
*** Bug 136744 has been marked as a duplicate of this bug. ***
Comment on attachment 238015 [details] Patch Clearing flags on attachment: 238015 Committed r173617: <http://trac.webkit.org/changeset/173617>
All reviewed patches have been landed. Closing bug.