Enable new multicol for testing and experimental web platform features.

LayoutTests/fast/dom/Element/getBoundingClientRect.html

Index: LayoutTests/fast/dom/Element/getBoundingClientRect.html
diff --git a/LayoutTests/fast/dom/Element/getBoundingClientRect.html b/LayoutTests/fast/dom/Element/getBoundingClientRect.html
index 1c6d4758db0e94db55c76a509ef0b2bdf2721090..c986bb2ade89fcf82b6592c7895ee0df3b16b7a5 100644
--- a/LayoutTests/fast/dom/Element/getBoundingClientRect.html
+++ b/LayoutTests/fast/dom/Element/getBoundingClientRect.html
@@ -133,17 +133,17 @@
         /*2*/  { left: 8, top: 188, width: 320, height: 120 },
         /*3*/  { left: 18, top: 356, width: 300, height: 100 },
         /*4*/  { left: 37.289, top: 483.289, width: 141.421, height: 141.421 },
-        /*5*/  { left: 8, top: 652, width: 300, height: 374 },
+        /*5*/  { left: 8, top: 652, width: 300, height: 368 },
         /*6*/  { left: fail, top: fail, width: fail, height: fail },
-        /*7*/  { left: 8, top: 1490, width: 288, height: 464 },
-        /*8*/  { left: 8, top: 2002, width: 300, height: 74 },
-        /*9*/  { left: 8, top: 2140, width: 300, height: 90 },
-        /*10*/ { left: 8, top: 2280, width: 300, height: 34 },
-        /*11*/ { left: 10, top: 2402, width: 147, height: 34 },
-        /*12*/ { left: 8, top: 2538, width: 100, height: 100 },
-        /*13*/ { left: 8, top: 2789, width: 260, height: 16 },
-        /*14*/ { left: 8, top: 2869, width: 300, height: 232 },
-        /*15*/ { left: 8, top: 3165, width: 0, height: 0 }
+        /*7*/  { left: 8, top: 1484, width: 288, height: 464 },
+        /*8*/  { left: 8, top: 1996, width: 300, height: 74 },
+        /*9*/  { left: 8, top: 2134, width: 300, height: 90 },
+        /*10*/ { left: 8, top: 2274, width: 300, height: 34 },
+        /*11*/ { left: 10, top: 2396, width: 147, height: 34 },
+        /*12*/ { left: 8, top: 2532, width: 100, height: 100 },
+        /*13*/ { left: 8, top: 2783, width: 260, height: 16 },
+        /*14*/ { left: 8, top: 2863, width: 300, height: 232 },
+        /*15*/ { left: 8, top: 3159, width: 0, height: 0 }
     ];
 
     function test(number, element)