Revert "Don't force layout for mouse event hit tests"

LayoutTests/touchadjustment/touch-inlines.html

Index: LayoutTests/touchadjustment/touch-inlines.html
diff --git a/LayoutTests/touchadjustment/touch-inlines.html b/LayoutTests/touchadjustment/touch-inlines.html
index 0e450550167edf36fbc045123fcb121a27101451..f3c193fec7595e3f5e7dab3545c86510c51dfdc4 100644
--- a/LayoutTests/touchadjustment/touch-inlines.html
+++ b/LayoutTests/touchadjustment/touch-inlines.html
@@ -64,8 +64,6 @@
     {
         if (window.testRunner && window.internals && internals.touchNodeAdjustedToBestClickableNode) {
             description('Tests touch-adjustment on inline links. Making sure we can hit over line-breaks, and can miss when tapping between parts of a line-broken link.');
-            // Mouse events only work after an initial layout
-            document.body.offsetLeft;
             testDirectTouches();
             testDirectMisses();
             testIndirectTouches();