Fix background blending for some cases where it did not work at all. The fix adds the blendMode par…

Source/core/svg/graphics/SVGImageForContainer.cpp

Index: Source/core/svg/graphics/SVGImageForContainer.cpp
diff --git a/Source/core/svg/graphics/SVGImageForContainer.cpp b/Source/core/svg/graphics/SVGImageForContainer.cpp
index 0b21d9026dab6228ecf6d5a262ee696f7ad9afff..27f9a94447aaee5acc0704156531a3c316a5c91b 100644
--- a/Source/core/svg/graphics/SVGImageForContainer.cpp
+++ b/Source/core/svg/graphics/SVGImageForContainer.cpp
@@ -42,9 +42,9 @@ void SVGImageForContainer::draw(GraphicsContext* context, const FloatRect& dstRe
 }
 
 void SVGImageForContainer::drawPattern(GraphicsContext* context, const FloatRect& srcRect, const FloatSize& scale,
-    const FloatPoint& phase, CompositeOperator compositeOp, const FloatRect& dstRect, BlendMode)
+    const FloatPoint& phase, CompositeOperator compositeOp, const FloatRect& dstRect, BlendMode blendMode)
 {
-    m_image->drawPatternForContainer(context, m_containerSize, m_zoom, srcRect, scale, phase, compositeOp, dstRect);
+    m_image->drawPatternForContainer(context, m_containerSize, m_zoom, srcRect, scale, phase, compositeOp, dstRect, blendMode);
 }
 
 PassRefPtr<NativeImageSkia> SVGImageForContainer::nativeImageForCurrentFrame()