1 files changed, 8 insertions, 4 deletions
diff --git a/chromium/third_party/WebKit/Source/core/dom/RenderedDocumentMarker.h b/chromium/third_party/WebKit/Source/core/dom/RenderedDocumentMarker.h
index 9e6966a225f..2fd4b50bf5e 100644
--- a/chromium/third_party/WebKit/Source/core/dom/RenderedDocumentMarker.h
+++ b/chromium/third_party/WebKit/Source/core/dom/RenderedDocumentMarker.h
@@ -62,11 +62,15 @@ inline void RenderedDocumentMarker::invalidate(const LayoutRect& r)
         invalidate();
 }
 
-inline RenderedDocumentMarker* toRenderedDocumentMarker(DocumentMarker* marker)
-{
-    return static_cast<RenderedDocumentMarker*>(marker);
-}
+DEFINE_TYPE_CASTS(RenderedDocumentMarker, DocumentMarker, marker, true, true);
 
 } // namespace
 
+namespace WTF {
+
+template<>
+struct VectorTraits<WebCore::RenderedDocumentMarker> : SimpleClassVectorTraits<WebCore::RenderedDocumentMarker> { };
+
+} // namespace WTF
+
 #endif