Include additional translation in getBBox for SVGUseElement

Source/core/svg/SVGUseElement.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis@kde.org>
  * Copyright (C) Research In Motion Limited 2009-2010. All rights reserved.
  * Copyright (C) 2011 Torch Mobile (Beijing) Co. Ltd. All rights reserved.
  * Copyright (C) 2012 University of Szeged
  * Copyright (C) 2012 Renata Hodovan <reni@webkit.org>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 725 matching lines @@
         || m_width->currentValue()->isRelative()
         || m_height->currentValue()->isRelative())
         return true;
 
     if (!m_targetElementInstance)
         return false;
 
     return m_targetElementInstance->hasRelativeLengths();
 }
 
+FloatRect SVGUseElement::getBBox()
+{
+    document().updateLayoutIgnorePendingStylesheets();
+
+    if (!layoutObject())
+        return FloatRect();
+
+    LayoutSVGTransformableContainer& transformableContainer = toLayoutSVGTransformableContainer(*layoutObject());
+    // Don't apply the additional translation if the oBB is invalid.
+    if (!transformableContainer.isObjectBoundingBoxValid())
+        return FloatRect();
+
+    // TODO(fs): Preferably this would just use objectBoundingBox() (and hence
+    // don't need to override SVGGraphicsElement::getBBox at all) and be
+    // correct without additional work. That will not work out ATM without
+    // additional quirks. The problem stems from including the additional
+    // translation directly on the LayoutObject corresponding to the
+    // SVGUseElement.
+    FloatRect bbox = transformableContainer.objectBoundingBox();
+    bbox.move(transformableContainer.additionalTranslation());
+    return bbox;
+}
+
 void SVGUseElement::dispatchPendingEvent(SVGUseEventSender* eventSender)
 {
     ASSERT_UNUSED(eventSender, eventSender == &svgUseLoadEventSender());
     ASSERT(isStructurallyExternal() && m_haveFiredLoadEvent);
     dispatchEvent(Event::create(EventTypeNames::load));
 }
 
 void SVGUseElement::notifyFinished(Resource* resource)
 {
     if (!inDocument())
@@ skipping 40 matching lines @@
 
     if (m_resource)
         m_resource->removeClient(this);
 
     m_resource = resource;
     if (m_resource)
         m_resource->addClient(this);
 }
 
 }