List webkit layout tests that match a certain pattern.

list-layout-tests.sh

list-webkit-tests() {
        search_dir=$WK_SOURCE_DIR/LayoutTests/
        echo 'Searching layout tests matching "'$*'" on '$search_dir'...';
        grep -R $* -r $search_dir | grep .html | cut -f1 -d' ' | cut -f1 -d':' | uniq 2>&1;
}