Remove CDATASection

Source/core/dom/Document.h

Index: Source/core/dom/Document.h
diff --git a/Source/core/dom/Document.h b/Source/core/dom/Document.h
index f4dca90fc4876a5238d641491ad1418ed2e8c3a1..cfb03ea1d8cbef6ae7696516f0335366a7563d10 100644
--- a/Source/core/dom/Document.h
+++ b/Source/core/dom/Document.h
@@ -67,7 +67,6 @@ namespace blink {
 class AnimationTimeline;
 class AXObjectCache;
 class Attr;
-class CDATASection;
 class CSSStyleDeclaration;
 class CSSStyleSheet;
 class CanvasRenderingContext2D;
@@ -303,7 +302,6 @@ public:
     PassRefPtrWillBeRawPtr<DocumentFragment> createDocumentFragment();
     PassRefPtrWillBeRawPtr<Text> createTextNode(const String& data);
     PassRefPtrWillBeRawPtr<Comment> createComment(const String& data);
-    PassRefPtrWillBeRawPtr<CDATASection> createCDATASection(const String& data, ExceptionState&);
     PassRefPtrWillBeRawPtr<ProcessingInstruction> createProcessingInstruction(const String& target, const String& data, ExceptionState&);
     PassRefPtrWillBeRawPtr<Attr> createAttribute(const AtomicString& name, ExceptionState&);
     PassRefPtrWillBeRawPtr<Attr> createAttributeNS(const AtomicString& namespaceURI, const AtomicString& qualifiedName, ExceptionState&, bool shouldIgnoreNamespaceChecks = false);