Fix Range.createContextualFragment for non-Element contexts.

Source/core/editing/markup.h

Index: Source/core/editing/markup.h
diff --git a/Source/core/editing/markup.h b/Source/core/editing/markup.h
index 818321f30e74c35cdc5ae8da6b91f03195f5e752..636ed0ca71413c3835770889cd8d7ebc3ebd8a2a 100644
--- a/Source/core/editing/markup.h
+++ b/Source/core/editing/markup.h
@@ -39,7 +39,6 @@ class Document;
 class DocumentFragment;
 class Element;
 class ExceptionState;
-class HTMLElement;
 class KURL;
 class Node;
 class QualifiedName;
@@ -53,7 +52,7 @@ PassRefPtrWillBeRawPtr<DocumentFragment> createFragmentFromMarkup(Document&, con
 PassRefPtrWillBeRawPtr<DocumentFragment> createFragmentFromMarkupWithContext(Document&, const String& markup, unsigned fragmentStart, unsigned fragmentEnd, const String& baseURL, ParserContentPolicy);
 PassRefPtrWillBeRawPtr<DocumentFragment> createFragmentForInnerOuterHTML(const String&, Element*, ParserContentPolicy, const char* method, ExceptionState&);
 PassRefPtrWillBeRawPtr<DocumentFragment> createFragmentForTransformToFragment(const String&, const String& sourceMIMEType, Document& outputDoc);
-PassRefPtrWillBeRawPtr<DocumentFragment> createContextualFragment(const String&, HTMLElement*, ParserContentPolicy, ExceptionState&);
+PassRefPtrWillBeRawPtr<DocumentFragment> createContextualFragment(const String&, Element*, ParserContentPolicy, ExceptionState&);
 
 bool isPlainTextMarkup(Node*);