Bug 118674

Some fast/repaint test has fail on pixel test. Some of them has wrong scroll position, others has red showing. Few of them looks different as expected. Also there are flaky fast/repaint tests, too. fast/repaint/absolute-position-moved.html fast/repaint/caret-outside-block.html fast/repaint/fixed-child-move-after-scroll.html fast/repaint/fixed-child-of-transformed-move-after-scroll.html fast/repaint/fixed-in-page-scale.html fast/repaint/fixed-move-after-scroll.html fast/repaint/fixed-scale.html fast/repaint/fixed-scroll-simple.html fast/repaint/fixed-table-cell.html fast/repaint/fixed-table-overflow-zindex.html fast/repaint/fixed-table-overflow.html fast/repaint/fixed-tranformed.html fast/repaint/intermediate-layout-position-clip.html fast/repaint/overflow-hide.html fast/repaint/overflow-show.html fast/repaint/repaint-during-scroll.html fast/repaint/scroll-absolute-layer-with-reflection.html fast/repaint/scroll-fixed-layer-with-no-visible-content.html fast/repaint/scroll-fixed-layer-with-reflection.html fast/repaint/scroll-in-clipped-layer.html fast/repaint/scroll-in-fixed-layer.html fast/repaint/selection-clear.html fast/repaint/table-cell-collapsed-border-scroll.html fast/repaint/transform-translate.html