InlinedVisitor: Migrate dom to use inlined tracing

Source/core/dom/ElementData.h

Index: Source/core/dom/ElementData.h
diff --git a/Source/core/dom/ElementData.h b/Source/core/dom/ElementData.h
index 407d55edd6e9e9408785db61367bdf8d4444a652..1e3d9427a9c3d55a0cc25ec814e8027c3f07ba52 100644
--- a/Source/core/dom/ElementData.h
+++ b/Source/core/dom/ElementData.h
@@ -79,8 +79,8 @@ public:
 
     bool isUnique() const { return m_isUnique; }
 
-    void traceAfterDispatch(Visitor*);
-    void trace(Visitor*);
+    DECLARE_TRACE_AFTER_DISPATCH();

[haraken, 2015/02/24 09:18:36]

Add a comment on why we need traceAfterDispatch.

+    DECLARE_TRACE();
 
 protected:
     ElementData();
@@ -132,7 +132,7 @@ public:
     explicit ShareableElementData(const UniqueElementData&);
     ~ShareableElementData();
 
-    void traceAfterDispatch(Visitor* visitor) { ElementData::traceAfterDispatch(visitor); }
+    DEFINE_INLINE_TRACE_AFTER_DISPATCH() { ElementData::traceAfterDispatch(visitor); }
 
     // Add support for placement new as ShareableElementData is not allocated
     // with a fixed size. Instead the allocated memory size is computed based on
@@ -173,7 +173,7 @@ public:
     explicit UniqueElementData(const ShareableElementData&);
     explicit UniqueElementData(const UniqueElementData&);
 
-    void traceAfterDispatch(Visitor*);
+    DECLARE_TRACE_AFTER_DISPATCH();
 
     // FIXME: We might want to support sharing element data for elements with
     // presentation attribute style. Lots of table cells likely have the same