Bug 1640276 - Part 3: Mark nsINode as const in GetNext/PreviousNodeInternal() r=masayuki

Differential Revision: https://phabricator.services.mozilla.com/D76564

editor/libeditor/EditorBase.cpp

@@ -2793,7 +2793,7 @@ nsresult EditorBase::DeleteTextWithTransaction(Text& aTextNode,
   return rv;
 }
 
-nsIContent* EditorBase::GetPreviousNodeInternal(nsINode& aNode,
+nsIContent* EditorBase::GetPreviousNodeInternal(const nsINode& aNode,
                                                 bool aFindEditableNode,
                                                 bool aFindAnyDataNode,
                                                 bool aNoBlockCrossing) const {
@@ -2852,7 +2852,7 @@ nsIContent* EditorBase::GetPreviousNodeInternal(const EditorRawDOMPoint& aPoint,
                                  aFindAnyDataNode, aNoBlockCrossing);
 }
 
-nsIContent* EditorBase::GetNextNodeInternal(nsINode& aNode,
+nsIContent* EditorBase::GetNextNodeInternal(const nsINode& aNode,
                                             bool aFindEditableNode,
                                             bool aFindAnyDataNode,
                                             bool aNoBlockCrossing) const {

editor/libeditor/EditorBase.h

@@ -2045,7 +2045,8 @@ class EditorBase : public nsIEditor,
    *                             aFindEditableNode is true.  If there is no
    *                             previous node, returns nullptr.
    */
-  nsIContent* GetPreviousNodeInternal(nsINode& aNode, bool aFindEditableNode,
+  nsIContent* GetPreviousNodeInternal(const nsINode& aNode,
+                                      bool aFindEditableNode,
                                       bool aFindAnyDataNode,
                                       bool aNoBlockCrossing) const;
 
@@ -2070,9 +2071,9 @@ class EditorBase : public nsIEditor,
    *                             aFindEditableNode is true.  If there is no
    *                             next node, returns nullptr.
    */
-  nsIContent* GetNextNodeInternal(nsINode& aNode, bool aFindEditableNode,
+  nsIContent* GetNextNodeInternal(const nsINode& aNode, bool aFindEditableNode,
                                   bool aFindAnyDataNode,
-                                  bool bNoBlockCrossing) const;
+                                  bool aNoBlockCrossing) const;
 
   /**
    * And another version that takes a point in DOM tree rather than a node.