List marker pseudo elements.

Source/core/dom/MarkerPseudoElement.h

Index: Source/core/dom/MarkerPseudoElement.h
diff --git a/Source/core/dom/MarkerPseudoElement.h b/Source/core/dom/MarkerPseudoElement.h
new file mode 100644
index 0000000000000000000000000000000000000000..2f8fc3b66b9adc3dbb1a65e5f139fa16486abd9f
--- /dev/null
+++ b/Source/core/dom/MarkerPseudoElement.h
@@ -0,0 +1,49 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef MarkerPseudoElement_h
+#define MarkerPseudoElement_h
+
+#include "core/dom/PseudoElement.h"
+
+namespace blink {
+
+class LayoutBlockFlow;
+class LayoutListMarker;
+
+class MarkerPseudoElement final : public PseudoElement {
+    WTF_MAKE_NONCOPYABLE(MarkerPseudoElement);
+public:
+    static PassRefPtrWillBeRawPtr<MarkerPseudoElement> create(Element* parent)
+    {
+        return adoptRefWillBeNoop(new MarkerPseudoElement(parent));
+    }
+
+    virtual ~MarkerPseudoElement();
+
+    void attach(const AttachContext& = AttachContext()) override;
+
+    LayoutObject* createLayoutObject(const ComputedStyle&) override;
+
+    // FIXME: Make these private and file static when old code is removed.
+    static LayoutObject* parentOfFirstLineBox(LayoutBlockFlow* curr, const LayoutObject* marker);
+    static LayoutObject* firstNonMarkerChild(LayoutObject* parent);
+
+    static PassRefPtr<ComputedStyle> styleForListMarkerLayoutObject(LayoutObject&, const ComputedStyle*);
+
+    void attachListMarkerLayoutObject();

[esprehn, 2015/04/22 07:45:45]

attachListMarker(), no need for LayoutObject in the name.

[dsinclair, 2015/04/22 20:00:38]

Done.

+
+private:
+    explicit MarkerPseudoElement(Element*);
+
+    PassRefPtr<ComputedStyle> customStyleForLayoutObject();
+
+    void didRecalcStyle(StyleRecalcChange) override;
+};
+
+DEFINE_ELEMENT_TYPE_CASTS(MarkerPseudoElement, isMarkerPseudoElement());
+
+} // namespace blink
+
+#endif // MarkerPseudoElement_h