Rework SVG sizing

Source/core/xml/XMLErrors.cpp

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  * 1. Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *
@@ skipping 108 matching lines @@
     // Create elements for display
     RefPtr<Element> documentElement = m_document->documentElement();
     if (!documentElement) {
         RefPtr<Element> rootElement = m_document->createElement(htmlTag, true);
         RefPtr<Element> body = m_document->createElement(bodyTag, true);
         rootElement->parserAppendChild(body);
         m_document->parserAppendChild(rootElement);
         documentElement = body.get();
     } else if (documentElement->namespaceURI() == SVGNames::svgNamespaceURI) {
         RefPtr<Element> rootElement = m_document->createElement(htmlTag, true);
+        RefPtr<Element> head = m_document->createElement(headTag, true);
+        RefPtr<Element> style = m_document->createElement(styleTag, true);
+        head->parserAppendChild(style);
+        style->parserAppendChild(m_document->createTextNode("html, body { height: 100% } parsererror + svg { width: 100%; height: 100% }"));
+        style->finishParsingChildren();
+        rootElement->parserAppendChild(head);
         RefPtr<Element> body = m_document->createElement(bodyTag, true);
         rootElement->parserAppendChild(body);
 
         m_document->parserRemoveChild(*documentElement);
 
         body->parserAppendChild(documentElement);
         m_document->parserAppendChild(rootElement);
 
         documentElement = body.get();
     }
@@ skipping 14 matching lines @@
     if (firstChild)
         documentElement->parserInsertBefore(reportElement, *firstChild);
     else
         documentElement->parserAppendChild(reportElement);
 
     // FIXME: Why do we need to call this manually?
     m_document->updateRenderTreeIfNeeded();
 }
 
 } // namespace WebCore