Make the constructor of a LayoutRect from an IntRect explicit.

Source/core/layout/svg/SVGLayoutSupport.cpp

 /*
  * Copyright (C) 2007, 2008 Rob Buis <buis@kde.org>
  * Copyright (C) 2007 Nikolas Zimmermann <zimmermann@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>
  * Copyright (C) Research In Motion Limited 2009-2010. 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
@@ skipping 31 matching lines @@
 #include "core/layout/svg/SVGResourcesCache.h"
 #include "core/svg/SVGElement.h"
 #include "platform/geometry/TransformState.h"
 
 namespace blink {
 
 static inline LayoutRect enclosingIntRectIfNotEmpty(const FloatRect& rect)
 {
     if (rect.isEmpty())
         return LayoutRect();
-    return enclosingIntRect(rect);
+    return LayoutRect(enclosingIntRect(rect));
 }
 
 LayoutRect SVGLayoutSupport::clippedOverflowRectForPaintInvalidation(const LayoutObject* object, const LayoutBoxModelObject* paintInvalidationContainer, const PaintInvalidationState* paintInvalidationState)
 {
     // Return early for any cases where we don't actually paint
     if (object->style()->visibility() != VISIBLE && !object->enclosingLayer()->hasVisibleContent())
         return LayoutRect();
 
     // Pass our local paint rect to computeRectForPaintInvalidation() which will
     // map to parent coords and recurse up the parent chain.
@@ skipping 447 matching lines @@
 
         layer = layer->parent();
     }
 
     ctm.scale(deviceScaleFactor);
 
     return narrowPrecisionToFloat(sqrt((pow(ctm.xScale(), 2) + pow(ctm.yScale(), 2)) / 2));
 }
 
 }