Added vulcanize under third_party/npm_modules

node_modules/vulcanize/node_modules/cssom/lib/index.js

Index: node_modules/vulcanize/node_modules/cssom/lib/index.js
diff --git a/node_modules/vulcanize/node_modules/cssom/lib/index.js b/node_modules/vulcanize/node_modules/cssom/lib/index.js
new file mode 100644
index 0000000000000000000000000000000000000000..bc5692e73d969af684c1d80083cfa30ce8be69c0
--- /dev/null
+++ b/node_modules/vulcanize/node_modules/cssom/lib/index.js
@@ -0,0 +1,15 @@
+'use strict';
+
+exports.CSSStyleDeclaration = require('./CSSStyleDeclaration').CSSStyleDeclaration;
+exports.CSSRule = require('./CSSRule').CSSRule;
+exports.CSSStyleRule = require('./CSSStyleRule').CSSStyleRule;
+exports.MediaList = require('./MediaList').MediaList;
+exports.CSSMediaRule = require('./CSSMediaRule').CSSMediaRule;
+exports.CSSImportRule = require('./CSSImportRule').CSSImportRule;
+exports.CSSFontFaceRule = require('./CSSFontFaceRule').CSSFontFaceRule;
+exports.StyleSheet = require('./StyleSheet').StyleSheet;
+exports.CSSStyleSheet = require('./CSSStyleSheet').CSSStyleSheet;
+exports.CSSKeyframesRule = require('./CSSKeyframesRule').CSSKeyframesRule;
+exports.CSSKeyframeRule = require('./CSSKeyframeRule').CSSKeyframeRule;
+exports.parse = require('./parse').parse;
+exports.clone = require('./clone').clone;