Bug 523087 - Check for termination before every tree op in the HTML5 parser. r=bnewman.

parser/html/nsHtml5Parser.cpp

@@ -415,9 +415,6 @@ nsHtml5Parser::Terminate(void)
   nsCOMPtr<nsIParser> kungFuDeathGrip(this);
   nsRefPtr<nsHtml5StreamParser> streamKungFuDeathGrip(mStreamParser);
   nsRefPtr<nsHtml5TreeOpExecutor> treeOpKungFuDeathGrip(mExecutor);
-  // CancelParsingEvents must be called to avoid leaking the nsParser object
-  // @see bug 108049
-  CancelParsingEvents();
   if (mStreamParser) {
     mStreamParser->Terminate();
   }