Handle border-image with fill and zero-width borders

Source/core/style/BorderData.h

Index: Source/core/style/BorderData.h
diff --git a/Source/core/style/BorderData.h b/Source/core/style/BorderData.h
index 4fd5d2453ce6580ff17ab0dac5204031a1b51ba7..cc7910a9b8c782caea60f70295319234524f471f 100644
--- a/Source/core/style/BorderData.h
+++ b/Source/core/style/BorderData.h
@@ -41,12 +41,18 @@ public:
         , m_bottomRight(Length(0, Fixed), Length(0, Fixed))
     {
     }
+
     bool hasBorder() const
     {
         bool haveImage = m_image.hasImage();
         return m_left.nonZero(!haveImage) || m_right.nonZero(!haveImage) || m_top.nonZero(!haveImage) || m_bottom.nonZero(!haveImage);
     }
 
+    bool hasBorderFill() const
+    {
+        return m_image.hasImage() && m_image.fill();
+    }
+
     bool hasBorderRadius() const
     {
         if (!m_topLeft.width().isZero())