Move v0 things from ShadowRootRareData into ShadowRootRareDataV0

third_party/WebKit/Source/core/dom/shadow/ShadowRootRareDataV0.h

Index: third_party/WebKit/Source/core/dom/shadow/ShadowRootRareDataV0.h
diff --git a/third_party/WebKit/Source/core/dom/shadow/ShadowRootRareData.h b/third_party/WebKit/Source/core/dom/shadow/ShadowRootRareDataV0.h
similarity index 69%
copy from third_party/WebKit/Source/core/dom/shadow/ShadowRootRareData.h
copy to third_party/WebKit/Source/core/dom/shadow/ShadowRootRareDataV0.h
index 379b1c2952ae219cf4545481124ad2a5b44a2ee3..c0f62d247576d495ed2339e7c024cda01eebdd69 100644
--- a/third_party/WebKit/Source/core/dom/shadow/ShadowRootRareData.h
+++ b/third_party/WebKit/Source/core/dom/shadow/ShadowRootRareDataV0.h
@@ -28,22 +28,19 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef ShadowRootRareData_h
-#define ShadowRootRareData_h
+#ifndef ShadowRootRareDataV0_h
+#define ShadowRootRareDataV0_h
 
 #include "core/dom/shadow/InsertionPoint.h"
-#include "core/html/HTMLSlotElement.h"
 #include "wtf/Vector.h"
 
 namespace blink {
 
-class ShadowRootRareData : public GarbageCollected<ShadowRootRareData> {
+class ShadowRootRareDataV0 : public GarbageCollected<ShadowRootRareDataV0> {
 public:
-    ShadowRootRareData()
+    ShadowRootRareDataV0()
         : m_descendantShadowElementCount(0)
         , m_descendantContentElementCount(0)
-        , m_childShadowRootCount(0)
-        , m_descendantSlotCount(0)
     {
     }
 
@@ -55,52 +52,27 @@ public:
 
     bool containsShadowElements() const { return m_descendantShadowElementCount; }
     bool containsContentElements() const { return m_descendantContentElementCount; }
-    bool containsShadowRoots() const { return m_childShadowRootCount; }
 
     unsigned descendantShadowElementCount() const { return m_descendantShadowElementCount; }
 
-    void didAddChildShadowRoot() { ++m_childShadowRootCount; }
-    void didRemoveChildShadowRoot() { DCHECK_GT(m_childShadowRootCount, 0u); --m_childShadowRootCount; }
-
-    unsigned childShadowRootCount() const { return m_childShadowRootCount; }
-
     const HeapVector<Member<InsertionPoint>>& descendantInsertionPoints() { return m_descendantInsertionPoints; }
     void setDescendantInsertionPoints(HeapVector<Member<InsertionPoint>>& list) { m_descendantInsertionPoints.swap(list); }
     void clearDescendantInsertionPoints() { m_descendantInsertionPoints.clear(); }
 
-    StyleSheetList* styleSheets() { return m_styleSheetList.get(); }
-    void setStyleSheets(StyleSheetList* styleSheetList) { m_styleSheetList = styleSheetList; }
-
-    void didAddSlot() { ++m_descendantSlotCount; }
-    void didRemoveSlot() { DCHECK_GT(m_descendantSlotCount, 0u); --m_descendantSlotCount; }
-
-    unsigned descendantSlotCount() const { return m_descendantSlotCount; }
-
-    const HeapVector<Member<HTMLSlotElement>>& descendantSlots() const { return m_descendantSlots; }
-
-    void setDescendantSlots(HeapVector<Member<HTMLSlotElement>>& slots) { m_descendantSlots.swap(slots); }
-    void clearDescendantSlots() { m_descendantSlots.clear(); }
-
     DEFINE_INLINE_TRACE()
     {
         visitor->trace(m_shadowInsertionPointOfYoungerShadowRoot);
         visitor->trace(m_descendantInsertionPoints);
-        visitor->trace(m_styleSheetList);
-        visitor->trace(m_descendantSlots);
     }
 
 private:
     Member<HTMLShadowElement> m_shadowInsertionPointOfYoungerShadowRoot;
     unsigned m_descendantShadowElementCount;
     unsigned m_descendantContentElementCount;
-    unsigned m_childShadowRootCount;
     HeapVector<Member<InsertionPoint>> m_descendantInsertionPoints;
-    Member<StyleSheetList> m_styleSheetList;
-    unsigned m_descendantSlotCount;
-    HeapVector<Member<HTMLSlotElement>> m_descendantSlots;
 };
 
-inline void ShadowRootRareData::didAddInsertionPoint(InsertionPoint* point)
+inline void ShadowRootRareDataV0::didAddInsertionPoint(InsertionPoint* point)
 {
     DCHECK(point);
     if (isHTMLShadowElement(*point))
@@ -111,7 +83,7 @@ inline void ShadowRootRareData::didAddInsertionPoint(InsertionPoint* point)
         ASSERT_NOT_REACHED();
 }
 
-inline void ShadowRootRareData::didRemoveInsertionPoint(InsertionPoint* point)
+inline void ShadowRootRareDataV0::didRemoveInsertionPoint(InsertionPoint* point)
 {
     DCHECK(point);
     if (isHTMLShadowElement(*point)) {