Add vulcanize to tools.

tools/vulcanize/node_modules/vulcanize/node_modules/cheerio/node_modules/htmlparser2/lib/index.js

Index: tools/vulcanize/node_modules/vulcanize/node_modules/cheerio/node_modules/htmlparser2/lib/index.js
diff --git a/tools/vulcanize/node_modules/vulcanize/node_modules/cheerio/node_modules/htmlparser2/lib/index.js b/tools/vulcanize/node_modules/vulcanize/node_modules/cheerio/node_modules/htmlparser2/lib/index.js
new file mode 100644
index 0000000000000000000000000000000000000000..86d2392e9d076c0db9605b7d76f89f40c6cbd519
--- /dev/null
+++ b/tools/vulcanize/node_modules/vulcanize/node_modules/cheerio/node_modules/htmlparser2/lib/index.js
@@ -0,0 +1,76 @@
+function defineProp(name, value){
+	delete module.exports[name];
+	module.exports[name] = value;
+	return value;
+}
+
+module.exports = {
+	parseDOM: function (html) {
+		var handler = new module.exports.DomHandler();
+		var parser = new module.exports.Parser(handler);
+		parser.parseComplete(html);
+		return handler.dom;
+	},
+	parseFeed: function (feed) {
+		var handler = new module.exports.FeedHandler();
+		var parser = new module.exports.Parser(handler);
+		parser.parseComplete(feed);
+		return handler.dom;
+	},
+	get Parser(){
+		return defineProp("Parser", require("./Parser.js"));
+	},
+	get DomHandler(){
+		return defineProp("DomHandler", require("domhandler"));
+	},
+	get FeedHandler(){
+		return defineProp("FeedHandler", require("./FeedHandler.js"));
+	},
+	get Tokenizer(){
+		return defineProp("Tokenizer", require("./Tokenizer.js"));
+	},
+	get ElementType(){
+		return defineProp("ElementType", require("domelementtype"));
+	},
+	get Stream(){
+		return defineProp("Stream", require("./Stream.js"));
+	},
+	get WritableStream(){
+		return defineProp("WritableStream", require("./WritableStream.js"));
+	},
+	get ProxyHandler(){
+		return defineProp("ProxyHandler", require("./ProxyHandler.js"));
+	},
+	get DomUtils(){
+		return defineProp("DomUtils", require("domutils"));
+	},
+	get CollectingHandler(){
+		return defineProp("CollectingHandler", require("./CollectingHandler.js"));
+	},
+	// For legacy support
+	get DefaultHandler(){
+		return defineProp("DefaultHandler", this.DomHandler);
+	},
+	get RssHandler(){
+		return defineProp("RssHandler", this.FeedHandler);
+	},
+	createDomStream: function(cb, options, elementCb){
+		var handler = new module.exports.DomHandler(cb, options, elementCb);
+		return new module.exports.Parser(handler, options);
+	},
+	// List of all events that the parser emits
+	EVENTS: { /* Format: eventname: number of arguments */
+		attribute: 2,
+		cdatastart: 0,
+		cdataend: 0,
+		text: 1,
+		processinginstruction: 2,
+		comment: 1,
+		commentend: 0,
+		closetag: 1,
+		opentag: 2,
+		opentagname: 1,
+		error: 1,
+		end: 0
+	}
+};