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

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

Index: third_party/WebKit/Source/core/dom/ElementData.cpp
diff --git a/third_party/WebKit/Source/core/dom/ElementData.cpp b/third_party/WebKit/Source/core/dom/ElementData.cpp
index f316a12573a0a6d9ab6bd98210359da224f8b592..29dc6f308c55c2a9ebe9001699b42969e389556e 100644
--- a/third_party/WebKit/Source/core/dom/ElementData.cpp
+++ b/third_party/WebKit/Source/core/dom/ElementData.cpp
@@ -50,18 +50,6 @@ static size_t sizeForShareableElementDataWithAttributeCount(unsigned count)
     return sizeof(ShareableElementData) + sizeof(Attribute) * count;
 }
 
-const StylePropertySet* ElementData::inlineStyle() const
-{
-    return m_inlineStyle.get();
-}
-
-const StylePropertySet* ElementData::presentationAttributeStyle() const
-{
-    if (!m_isUnique)
-        return nullptr;
-    return toUniqueElementData(this)->m_presentationAttributeStyle.get();
-}
-
 ElementData::ElementData()
     : m_isUnique(true)
     , m_arraySize(0)