It should break out while loop once page_has_scan_on_scavenge_flag is found, there is no need check all of the items in the list.

R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/23597017

Patch from Bangfu Tao <bangfu.tao@samsung.com>.

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@16574 ce2b1a6d-e550-0410-aec6-3dcde31c8c00