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

third_party/WebKit/Source/core/layout/LayoutImageResourceStyleImage.cpp

 /*
  * Copyright (C) 1999 Lars Knoll <knoll@kde.org>
  * Copyright (C) 1999 Antti Koivisto <koivisto@kde.org>
  * Copyright (C) 2000 Dirk Mueller <mueller@kde.org>
  * Copyright (C) 2006 Allan Sandfeld Jensen <kde@carewolf.com>
  * Copyright (C) 2006 Samuel Weinig <sam.weinig@gmail.com>
  * Copyright (C) 2003, 2004, 2005, 2006, 2008, 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Google Inc. All rights reserved.
  * Copyright (C) 2010 Patrick Gansterer <paroga@paroga.com>
  *
@@ skipping 10 matching lines @@
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  *
  */
 
 #include "core/layout/LayoutImageResourceStyleImage.h"
 
 #include "core/fetch/ImageResource.h"
+#include "core/layout/LayoutReplaced.h"
 #include "core/style/StyleFetchedImage.h"
 
 namespace blink {
 
 LayoutImageResourceStyleImage::LayoutImageResourceStyleImage(StyleImage* styleImage)
     : m_styleImage(styleImage)
 {
     ASSERT(m_styleImage);
 }
 
@@ skipping 20 matching lines @@
 }
 
 PassRefPtr<Image> LayoutImageResourceStyleImage::image(const IntSize& size, float zoom) const
 {
     // Generated content may trigger calls to image() while we're still pending, don't assert but gracefully exit.
     if (m_styleImage->isPendingImage())
         return nullptr;
     return m_styleImage->image(*m_layoutObject, size, zoom);
 }
 
+LayoutSize LayoutImageResourceStyleImage::imageSize(float multiplier) const
+{
+    // TODO(davve): Find out the correct default object size in this context.
+    return m_styleImage->imageSize(*m_layoutObject, multiplier, LayoutSize(LayoutReplaced::defaultWidth, LayoutReplaced::defaultHeight));
+}
+
 DEFINE_TRACE(LayoutImageResourceStyleImage)
 {
     visitor->trace(m_styleImage);
     LayoutImageResource::trace(visitor);
 }
 
 } // namespace blink