Added vulcanize under third_party/npm_modules

node_modules/vulcanize/node_modules/uglify-js/test/compress/blocks.js

Index: node_modules/vulcanize/node_modules/uglify-js/test/compress/blocks.js
diff --git a/node_modules/vulcanize/node_modules/uglify-js/test/compress/blocks.js b/node_modules/vulcanize/node_modules/uglify-js/test/compress/blocks.js
new file mode 100644
index 0000000000000000000000000000000000000000..8372adf27974f53e99e8182b9f563f437b644aeb
--- /dev/null
+++ b/node_modules/vulcanize/node_modules/uglify-js/test/compress/blocks.js
@@ -0,0 +1,49 @@
+remove_blocks: {
+    input: {
+        {;}
+        foo();
+        {};
+        {
+            {};
+        };
+        bar();
+        {}
+    }
+    expect: {
+        foo();
+        bar();
+    }
+}
+
+keep_some_blocks: {
+    input: {
+        // 1.
+        if (foo) {
+            {{{}}}
+            if (bar) { baz(); }
+            {{}}
+        } else {
+            stuff();
+        }
+
+        // 2.
+        if (foo) {
+            for (var i = 0; i < 5; ++i)
+                if (bar) baz();
+        } else {
+            stuff();
+        }
+    }
+    expect: {
+        // 1.
+        if (foo) {
+            if (bar) baz();
+        } else stuff();
+
+        // 2.
+        if (foo) {
+            for (var i = 0; i < 5; ++i)
+                if (bar) baz();
+        } else stuff();
+    }
+}