Fallback to 300x150 instead of 0x0 size for SVG inside content()

third_party/WebKit/Source/core/svg/graphics/SVGImage.cpp

 /*
  * Copyright (C) 2006 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2008, 2009 Apple Inc. All rights reserved.
  * Copyright (C) Research In Motion Limited 2011. 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 538 matching lines @@
         frame->view()->setCanHaveScrollbars(false); // SVG Images will always synthesize a viewBox, if it's not available, and thus never see scrollbars.
         frame->view()->setTransparent(true); // SVG Images are transparent.
 
         m_page = page;
 
         TRACE_EVENT0("blink", "SVGImage::dataChanged::load");
         loader.load(FrameLoadRequest(0, blankURL(), SubstituteData(data(), AtomicString("image/svg+xml"),
             AtomicString("UTF-8"), KURL(), ForceSynchronousLoad)));
 
         // Set the concrete object size before a container size is available.
-        m_intrinsicSize = roundedIntSize(concreteObjectSize(FloatSize(300, 150)));
+        m_intrinsicSize = roundedIntSize(concreteObjectSize(FloatSize(LayoutReplaced::defaultWidth, LayoutReplaced::defaultHeight)));
     }
 
     return m_page;
 }
 
 String SVGImage::filenameExtension() const
 {
     return "svg";
 }
 
 } // namespace blink