Avoiding losing too much precision when hit-testing SVG <text>

third_party/WebKit/Source/core/layout/svg/LayoutSVGForeignObject.cpp

 /*
  * Copyright (C) 2006 Apple Computer, Inc.
  * Copyright (C) 2009 Google, Inc.
  * Copyright (C) Research In Motion Limited 2010. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 119 matching lines @@
     if (!localTransform.isInvertible())
         return false;
 
     FloatPoint localPoint = localTransform.inverse().mapPoint(pointInParent);
 
     // Early exit if local point is not contained in clipped viewport area
     if (SVGLayoutSupport::isOverflowHidden(this) && !m_viewport.contains(localPoint))
         return false;
 
     // FOs establish a stacking context, so we need to hit-test all layers.
-    HitTestLocation hitTestLocation(roundedLayoutPoint(localPoint));
+    HitTestLocation hitTestLocation(localPoint);
     return LayoutBlock::nodeAtPoint(result, hitTestLocation, LayoutPoint(), HitTestForeground)
         || LayoutBlock::nodeAtPoint(result, hitTestLocation, LayoutPoint(), HitTestFloat)
         || LayoutBlock::nodeAtPoint(result, hitTestLocation, LayoutPoint(), HitTestChildBlockBackgrounds);
 }
 
 } // namespace blink