Refactoring: Extract DocumentInit for capture Document construction parameter.

Source/core/loader/cache/CachedFont.cpp

 /*
  * Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Torch Mobile, Inc.
  *
  * 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.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 84 matching lines @@
         return FontPlatformData(size, bold, italic);
 #endif
     ASSERT(m_fontData);
     return m_fontData->fontPlatformData(static_cast<int>(size), bold, italic, orientation, widthVariant);
 }
 
 #if ENABLE(SVG_FONTS)
 bool CachedFont::ensureSVGFontData()
 {
     if (!m_externalSVGDocument && !errorOccurred() && !isLoading() && m_data) {
-        m_externalSVGDocument = SVGDocument::create(0, KURL());
+        m_externalSVGDocument = SVGDocument::create();
 
         RefPtr<TextResourceDecoder> decoder = TextResourceDecoder::create("application/xml");
         String svgSource = decoder->decode(m_data->data(), m_data->size());
         svgSource.append(decoder->flush());
         
         m_externalSVGDocument->setContent(svgSource);
         
         if (decoder->sawError())
             m_externalSVGDocument = 0;
     }
@@ skipping 51 matching lines @@
 {
     MemoryClassInfo info(memoryObjectInfo, this, WebCoreMemoryTypes::CachedResourceFont);
     CachedResource::reportMemoryUsage(memoryObjectInfo);
 #if ENABLE(SVG_FONTS)
     info.addMember(m_externalSVGDocument, "externalSVGDocument");
 #endif
     info.addMember(m_fontData, "fontData");
 }
 
 }