Remove background obscuration checks.

sky/engine/core/rendering/RenderImage.cpp

Index: sky/engine/core/rendering/RenderImage.cpp
diff --git a/sky/engine/core/rendering/RenderImage.cpp b/sky/engine/core/rendering/RenderImage.cpp
index f04aabd61fbff7148555f8b8d7036b8ad4eb6bec..2f3a8530f3bf84164606d94ef02016063a1eac0d 100644
--- a/sky/engine/core/rendering/RenderImage.cpp
+++ b/sky/engine/core/rendering/RenderImage.cpp
@@ -162,17 +162,6 @@ void RenderImage::updateInnerContentRect()
         m_imageResource->setContainerSizeForRenderer(containerSize);
 }
 
-void RenderImage::notifyFinished(Resource* newImage)
-{
-    if (!m_imageResource)
-        return;
-
-    if (documentBeingDestroyed())
-        return;
-
-    invalidateBackgroundObscurationStatus();
-}
-
 void RenderImage::paintReplaced(PaintInfo& paintInfo, const LayoutPoint& paintOffset)
 {
     GraphicsContext* context = paintInfo.context;
@@ -227,51 +216,6 @@ void RenderImage::paintIntoRect(GraphicsContext* context, const LayoutRect& rect
     context->setImageInterpolationQuality(previousInterpolationQuality);
 }
 
-bool RenderImage::boxShadowShouldBeAppliedToBackground(BackgroundBleedAvoidance bleedAvoidance, InlineFlowBox*) const
-{
-    if (!RenderBoxModelObject::boxShadowShouldBeAppliedToBackground(bleedAvoidance))
-        return false;
-
-    return !const_cast<RenderImage*>(this)->boxDecorationBackgroundIsKnownToBeObscured();
-}
-
-bool RenderImage::foregroundIsKnownToBeOpaqueInRect(const LayoutRect& localRect, unsigned) const
-{
-    if (!m_imageResource->hasImage() || m_imageResource->errorOccurred())
-        return false;
-    if (m_imageResource->cachedImage() && !m_imageResource->cachedImage()->isLoaded())
-        return false;
-    if (!contentBoxRect().contains(localRect))
-        return false;
-    EFillBox backgroundClip = style()->backgroundClip();
-    // Background paints under borders.
-    if (backgroundClip == BorderFillBox && style()->hasBorder() && !borderObscuresBackground())
-        return false;
-    // 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() != RenderStyle::initialObjectPosition())
-        return false;
-    // Object-fit may leave parts of the content box empty.
-    ObjectFit objectFit = style()->objectFit();
-    if (objectFit != ObjectFitFill && objectFit != ObjectFitCover)
-        return false;
-    // Check for image with alpha.
-    return m_imageResource->cachedImage() && m_imageResource->cachedImage()->currentFrameKnownToBeOpaque(this);
-}
-
-bool RenderImage::computeBackgroundIsKnownToBeObscured()
-{
-    if (!hasBackground())
-        return false;
-
-    LayoutRect paintedExtent;
-    if (!getBackgroundPaintedExtent(paintedExtent))
-        return false;
-    return foregroundIsKnownToBeOpaqueInRect(paintedExtent, 0);
-}
-
 LayoutUnit RenderImage::minimumReplacedHeight() const
 {
     return m_imageResource->errorOccurred() ? intrinsicSize().height() : LayoutUnit();