Use LayoutRect during addFocusRingRects to avoid loss of precision

Source/core/rendering/svg/RenderSVGImage.h

 /*
  * Copyright (C) 2006 Alexander Kellett <lypanov@kde.org>
  * Copyright (C) 2006, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Rob Buis <buis@kde.org>
  * Copyright (C) 2009 Google, Inc.
  * Copyright (C) 2010 Patrick Gansterer <paroga@paroga.com>
  *
  * 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 38 matching lines @@
 private:
     virtual const char* renderName() const OVERRIDE { return "RenderSVGImage"; }
     virtual bool isSVGImage() const OVERRIDE { return true; }
 
     virtual const AffineTransform& localToParentTransform() const OVERRIDE { return m_localTransform; }
 
     virtual FloatRect objectBoundingBox() const OVERRIDE { return m_objectBoundingBox; }
     virtual FloatRect strokeBoundingBox() const OVERRIDE { return m_objectBoundingBox; }
     virtual FloatRect paintInvalidationRectInLocalCoordinates() const OVERRIDE { return m_paintInvalidationBoundingBox; }
 
-    virtual void addFocusRingRects(Vector<IntRect>&, const LayoutPoint& additionalOffset, const RenderLayerModelObject* paintContainer = 0) const OVERRIDE;
+    virtual void addFocusRingRects(Vector<LayoutRect>&, const LayoutPoint& additionalOffset, const RenderLayerModelObject* paintContainer) const OVERRIDE;
 
     virtual void imageChanged(WrappedImagePtr, const IntRect* = 0) OVERRIDE;
 
     virtual void layout() OVERRIDE;
     virtual void paint(PaintInfo&, const LayoutPoint&) OVERRIDE;
 
     void invalidateBufferedForeground();
 
     virtual bool nodeAtFloatPoint(const HitTestRequest&, HitTestResult&, const FloatPoint& pointInParent, HitTestAction) OVERRIDE;
 
     virtual AffineTransform localTransform() const OVERRIDE { return m_localTransform; }
 
     bool m_needsBoundariesUpdate : 1;
     bool m_needsTransformUpdate : 1;
     AffineTransform m_localTransform;
     FloatRect m_objectBoundingBox;
     FloatRect m_paintInvalidationBoundingBox;
     OwnPtr<RenderImageResource> m_imageResource;
 
     OwnPtr<ImageBuffer> m_bufferedForeground;
 };
 
 DEFINE_RENDER_OBJECT_TYPE_CASTS(RenderSVGImage, isSVGImage());
 
 } // namespace blink
 
 #endif // RenderSVGImage_h