Remove tons of OILPAN.

sky/engine/core/css/CSSBorderImageSliceValue.cpp

Index: sky/engine/core/css/CSSBorderImageSliceValue.cpp
diff --git a/sky/engine/core/css/CSSBorderImageSliceValue.cpp b/sky/engine/core/css/CSSBorderImageSliceValue.cpp
index 5331b9cb995cc38730ebe9ac93892e7bd699633e..090bbcf9a2db20104a21fe06611ee7d0c1ad351a 100644
--- a/sky/engine/core/css/CSSBorderImageSliceValue.cpp
+++ b/sky/engine/core/css/CSSBorderImageSliceValue.cpp
@@ -53,10 +53,4 @@ bool CSSBorderImageSliceValue::equals(const CSSBorderImageSliceValue& other) con
     return m_fill == other.m_fill && compareCSSValuePtr(m_slices, other.m_slices);
 }
 
-void CSSBorderImageSliceValue::traceAfterDispatch(Visitor* visitor)
-{
-    visitor->trace(m_slices);
-    CSSValue::traceAfterDispatch(visitor);
-}
-
 } // namespace blink