LayoutTests/fast/layoutformattingcontext/floats-shrinking-line-simple.html

<!-- webkit-test-runner [ LayoutFormattingContextEnabled=true LayoutFormattingContextIntegrationEnabled=false ] -->
<style type="text/css">
.container {
    background-color: green;
    width: 120px;
    height: 120px;
    font-size: 10px;
    color: green;
}

.float {
    background-color: blue;
    height: 16px;
    width: 80px;
    float: left;
}
</style>
<div class=container><div class=float></div><div class=float style="width: 60px"></div>textcontent</div>