Inline scripts were extracted from Polymer elements.

third_party/polymer/components-chromium/core-menu/core-submenu.css

Index: third_party/polymer/components-chromium/core-menu/core-submenu.css
diff --git a/third_party/polymer/components-chromium/core-menu/core-submenu.css b/third_party/polymer/components-chromium/core-menu/core-submenu.css
new file mode 100644
index 0000000000000000000000000000000000000000..54c7f5bf5c9946d5183545e5969d079acc22e719
--- /dev/null
+++ b/third_party/polymer/components-chromium/core-menu/core-submenu.css
@@ -0,0 +1,29 @@
+/*
+Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE
+The complete set of authors may be found at http://polymer.github.io/AUTHORS
+The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS
+Code distributed by Google as part of the polymer project is also
+subject to an additional IP rights grant found at http://polymer.github.io/PATENTS
+*/
+
+:host { 
+  display: block;
+  height: auto;
+}
+
+:host(.core-selected, [active]) {
+  font-weight: initial;
+}
+
+core-item {
+  cursor: default;
+}
+
+::content > core-item {
+ cursor: default; 
+}
+
+#submenu {
+  margin: 0 0 0 44px;
+}