Revert of [Oilpan] Prepare full definition of classes before using Member

third_party/WebKit/Source/core/dom/ElementData.h

Index: third_party/WebKit/Source/core/dom/ElementData.h
diff --git a/third_party/WebKit/Source/core/dom/ElementData.h b/third_party/WebKit/Source/core/dom/ElementData.h
index 0dbbf049d483a482118f0162eff9e74bcf31b50f..f31a0940dfb1f6813ef706183fcd9105c58c19f9 100644
--- a/third_party/WebKit/Source/core/dom/ElementData.h
+++ b/third_party/WebKit/Source/core/dom/ElementData.h
@@ -66,7 +66,7 @@ public:
     const AtomicString& idForStyleResolution() const { return m_idForStyleResolution; }
     void setIdForStyleResolution(const AtomicString& newId) const { m_idForStyleResolution = newId; }
 
-    const StylePropertySet* inlineStyle() const;
+    const StylePropertySet* inlineStyle() const { return m_inlineStyle.get(); }
 
     const StylePropertySet* presentationAttributeStyle() const;
 
@@ -194,6 +194,13 @@ inline void ElementData::deref()
 }
 #endif
 
+inline const StylePropertySet* ElementData::presentationAttributeStyle() const
+{
+    if (!m_isUnique)
+        return 0;
+    return toUniqueElementData(this)->m_presentationAttributeStyle.get();
+}
+
 inline AttributeCollection ElementData::attributes() const
 {
     if (isUnique())