Clean up htmlediting

Source/core/editing/htmlediting.h

Index: Source/core/editing/htmlediting.h
diff --git a/Source/core/editing/htmlediting.h b/Source/core/editing/htmlediting.h
index ee5be2c05fe396d7a1a7ccd17fc1c7258eb2bf19..ffc57e436c4217ba655efe58b5048b658d87f806 100644
--- a/Source/core/editing/htmlediting.h
+++ b/Source/core/editing/htmlediting.h
@@ -115,7 +115,7 @@ bool isEmptyTableCell(const Node*);
 bool isTableStructureNode(const Node*);
 bool isHTMLListElement(Node*);
 bool isListItem(const Node*);
-bool isNodeRendered(const Node*);
+bool isNodeRendered(const Node&);
 bool isNodeVisiblyContainedWithin(Node&, const Range&);
 bool isRenderedAsNonInlineTableImageOrHR(const Node*);
 bool areIdenticalElements(const Node*, const Node*);
@@ -169,7 +169,6 @@ enum EUpdateStyle { UpdateStyle, DoNotUpdateStyle };
 bool isEditablePosition(const Position&, EditableType = ContentIsEditable, EUpdateStyle = UpdateStyle);
 bool isRichlyEditablePosition(const Position&, EditableType = ContentIsEditable);
 bool lineBreakExistsAtPosition(const Position&);
-bool isVisiblyAdjacent(const Position& first, const Position& second);
 bool isAtUnsplittableElement(const Position&);
 
 // miscellaneous functions on Position
@@ -199,14 +198,6 @@ int indexForVisiblePosition(const VisiblePosition&, RefPtrWillBeRawPtr<Container
 VisiblePosition visiblePositionForIndex(int index, ContainerNode* scope);
 
 // -------------------------------------------------------------------------
-// Range
-// -------------------------------------------------------------------------
-
-// Functions returning Range
-
-PassRefPtrWillBeRawPtr<Range> createRange(Document&, const VisiblePosition& start, const VisiblePosition& end, ExceptionState&);
-
-// -------------------------------------------------------------------------
 // HTMLElement
 // -------------------------------------------------------------------------
 
@@ -218,7 +209,6 @@ PassRefPtrWillBeRawPtr<HTMLOListElement> createOrderedListElement(Document&);
 PassRefPtrWillBeRawPtr<HTMLUListElement> createUnorderedListElement(Document&);
 PassRefPtrWillBeRawPtr<HTMLLIElement> createListItemElement(Document&);
 PassRefPtrWillBeRawPtr<HTMLElement> createHTMLElement(Document&, const QualifiedName&);
-PassRefPtrWillBeRawPtr<HTMLElement> createHTMLElement(Document&, const AtomicString&);
 
 HTMLElement* enclosingList(Node*);
 HTMLElement* outermostEnclosingList(Node*, HTMLElement* rootList = nullptr);
@@ -231,7 +221,6 @@ Node* enclosingListChild(Node*);
 // Functions returning Element
 
 PassRefPtrWillBeRawPtr<HTMLSpanElement> createTabSpanElement(Document&);
-PassRefPtrWillBeRawPtr<HTMLSpanElement> createTabSpanElement(Document&, PassRefPtrWillBeRawPtr<Text> tabTextNode);
 PassRefPtrWillBeRawPtr<HTMLSpanElement> createTabSpanElement(Document&, const String& tabText);
 PassRefPtrWillBeRawPtr<HTMLBRElement> createBlockPlaceholderElement(Document&);