Bug 1749935 - Remove unused nsParser::SetUnusedInput. r=hsivonen

Differential Revision: https://phabricator.services.mozilla.com/D135841

parser/htmlparser/nsParser.cpp

@@ -452,16 +452,6 @@ CParserContext* nsParser::PopContext() {
   return oldContext;
 }
 
-/**
- *  Call this when you want control whether or not the parser will parse
- *  and tokenize input (TRUE), or whether it just caches input to be
- *  parsed later (FALSE).
- *
- *  @param   aState determines whether we parse/tokenize or just cache.
- *  @return  current state
- */
-void nsParser::SetUnusedInput(nsString& aBuffer) { mUnusedInput = aBuffer; }
-
 /**
  *  Call this when you want to *force* the parser to terminate the
  *  parsing process altogether. This is binary -- so once you terminate

parser/htmlparser/nsParser.h

@@ -177,18 +177,6 @@ class nsParser final : public nsIParser,
    */
   NS_IMETHOD_(bool) IsComplete() override;
 
-  /**
-   *  This rather arcane method (hack) is used as a signal between the
-   *  DTD and the parser. It allows the DTD to tell the parser that content
-   *  that comes through (parser::parser(string)) but not consumed should
-   *  propagate into the next string based parse call.
-   *
-   *  @update  gess 9/1/98
-   *  @param   aState determines whether we propagate unused string content.
-   *  @return  current state
-   */
-  void SetUnusedInput(nsString& aBuffer);
-
   /**
    * This method gets called (automatically) during incremental parsing
    * @update	gess5/11/98
@@ -256,14 +244,6 @@ class nsParser final : public nsIParser,
    */
   virtual bool IsScriptCreated() override;
 
-  /**
-   *  Set to parser state to indicate whether parsing tokens can be interrupted
-   *  @param aCanInterrupt true if parser can be interrupted, false if it can
-   *                       not be interrupted.
-   *  @update  kmcclusk 5/18/98
-   */
-  void SetCanInterrupt(bool aCanInterrupt);
-
   /**
    * This is called when the final chunk has been
    * passed to the parser and the content sink has