Bug 128672

Created attachment 223963 [details] Example file to reproduce the issue RenderGrid::logicalContentHeightForChild() is called for some items at the beginning of RenderGrid::layoutGridItems() from RenderGrid::computeUsedBreadthOfGridTracks(). This causes that the comparison inside the for loop in RenderGrid::layoutGridItems() does not detect width changes, so elements won't be marked as needsLayout. So the comparison is done in RenderGrid::logicalContentHeightForChild() and the element is marked to perform a layout if the width has changed. The issue can be reproduced easily with a simple grid with one flexible or content sized column, all the available width is not used. On top of that, when you resize the window the flexible or content sized columns are not updating their size properly.