Use LayoutRect during addFocusRingRects to avoid loss of precision

Source/core/rendering/svg/RenderSVGContainer.cpp

 /*
  * Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2007, 2008 Rob Buis <buis@kde.org>
  * Copyright (C) 2007 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2009 Google, Inc.  All rights reserved.
  * Copyright (C) 2009 Dirk Schulze <krit@webkit.org>
  *
  * 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
@@ skipping 136 matching lines @@
     // outline rect into parent coords before drawing.
     // FIXME: This means our focus ring won't share our rotation like it should.
     // We should instead disable our clip during PaintPhaseOutline
     if (paintInfo.phase == PaintPhaseForeground && style()->outlineWidth() && style()->visibility() == VISIBLE) {
         IntRect paintRectInParent = enclosingIntRect(localToParentTransform().mapRect(paintInvalidationRect));
         paintOutline(paintInfo, paintRectInParent);
     }
 }
 
 // addFocusRingRects is called from paintOutline and needs to be in the same coordinates as the paintOuline call
-void RenderSVGContainer::addFocusRingRects(Vector<IntRect>& rects, const LayoutPoint&, const RenderLayerModelObject*) const
+void RenderSVGContainer::addFocusRingRects(Vector<LayoutRect>& rects, const LayoutPoint&, const RenderLayerModelObject*) const
 {
-    IntRect paintRectInParent = enclosingIntRect(localToParentTransform().mapRect(paintInvalidationRectInLocalCoordinates()));
+    LayoutRect paintRectInParent = LayoutRect(localToParentTransform().mapRect(paintInvalidationRectInLocalCoordinates()));
     if (!paintRectInParent.isEmpty())
         rects.append(paintRectInParent);
 }
 
 void RenderSVGContainer::updateCachedBoundaries()
 {
     SVGRenderSupport::computeContainerBoundingBoxes(this, m_objectBoundingBox, m_objectBoundingBoxValid, m_strokeBoundingBox, m_paintInvalidationBoundingBox);
     SVGRenderSupport::intersectPaintInvalidationRectWithResources(this, m_paintInvalidationBoundingBox);
 }
 
@@ skipping 20 matching lines @@
         if (objectBoundingBox().contains(localPoint)) {
             updateHitTestResult(result, roundedLayoutPoint(localPoint));
             return true;
         }
     }
     // 16.4: "If there are no graphics elements whose relevant graphics content is under the pointer (i.e., there is no target element), the event is not dispatched."
     return false;
 }
 
 }