Fix ImageResource null-check in LayoutImage::foregroundIsKnownToBeOpaqueInRect

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

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Allan Sandfeld Jensen (kde@carewolf.com)
  *           (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
  * Copyright (C) 2003, 2004, 2005, 2006, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Google Inc. All rights reserved.
  * Copyright (C) Research In Motion Limited 2011-2012. All rights reserved.
  *
@@ skipping 226 matching lines @@
     // Background shows in padding area.
     if ((backgroundClip == BorderFillBox || backgroundClip == PaddingFillBox) && style()->hasPadding())
         return false;
     // Object-position may leave parts of the content box empty, regardless of the value of object-fit.
     if (style()->objectPosition() != ComputedStyle::initialObjectPosition())
         return false;
     // Object-fit may leave parts of the content box empty.
     ObjectFit objectFit = style()->objectFit();
     if (objectFit != ObjectFitFill && objectFit != ObjectFitCover)
         return false;
+    if (!m_imageResource->cachedImage())
+        return false;
     // Check for image with alpha.
     TRACE_EVENT1(TRACE_DISABLED_BY_DEFAULT("devtools.timeline"), "PaintImage", "data", InspectorPaintImageEvent::data(this, *m_imageResource->cachedImage()));
-    return m_imageResource->cachedImage() && m_imageResource->cachedImage()->image()->currentFrameKnownToBeOpaque(Image::PreCacheMetadata);
+    return m_imageResource->cachedImage()->image()->currentFrameKnownToBeOpaque(Image::PreCacheMetadata);
 }
 
 bool LayoutImage::computeBackgroundIsKnownToBeObscured() const
 {
     if (!hasBackground())
         return false;
 
     LayoutRect paintedExtent;
     if (!getBackgroundPaintedExtent(paintedExtent))
         return false;
@@ skipping 57 matching lines @@
         return nullptr;
 
     ImageResource* cachedImage = m_imageResource->cachedImage();
     if (cachedImage && cachedImage->image() && cachedImage->image()->isSVGImage())
         return toSVGImage(cachedImage->image())->embeddedContentBox();
 
     return nullptr;
 }
 
 } // namespace blink