Don't force layout for mouse event hit tests

Source/core/testing/Internals.cpp

Index: Source/core/testing/Internals.cpp
diff --git a/Source/core/testing/Internals.cpp b/Source/core/testing/Internals.cpp
index 06278c1366ac3fb808f5ae2d3ebb4685e55d9bad..e87247ee31b9f77cd1f71cf26e90b68b558f03d0 100644
--- a/Source/core/testing/Internals.cpp
+++ b/Source/core/testing/Internals.cpp
@@ -1074,6 +1074,8 @@ PassRefPtr<DOMPoint> Internals::touchPositionAdjustedToBestClickableNode(long x,
         return 0;
     }
 
+    document->updateLayout();
+
     IntSize radius(width / 2, height / 2);
     IntPoint point(x + radius.width(), y + radius.height());
 
@@ -1094,6 +1096,8 @@ Node* Internals::touchNodeAdjustedToBestClickableNode(long x, long y, long width
         return 0;
     }
 
+    document->updateLayout();
+
     IntSize radius(width / 2, height / 2);
     IntPoint point(x + radius.width(), y + radius.height());
 
@@ -1110,6 +1114,8 @@ PassRefPtr<DOMPoint> Internals::touchPositionAdjustedToBestContextMenuNode(long
         return 0;
     }
 
+    document->updateLayout();
+
     IntSize radius(width / 2, height / 2);
     IntPoint point(x + radius.width(), y + radius.height());
 
@@ -1130,6 +1136,8 @@ Node* Internals::touchNodeAdjustedToBestContextMenuNode(long x, long y, long wid
         return 0;
     }
 
+    document->updateLayout();
+
     IntSize radius(width / 2, height / 2);
     IntPoint point(x + radius.width(), y + radius.height());
 
@@ -1146,6 +1154,8 @@ PassRefPtr<ClientRect> Internals::bestZoomableAreaForTouchPoint(long x, long y,
         return 0;
     }
 
+    document->updateLayout();
+
     IntSize radius(width / 2, height / 2);
     IntPoint point(x + radius.width(), y + radius.height());