Make all the polymer elements CSP compliant.

elements/viewer-password-screen/viewer-password-screen.js

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+Polymer('viewer-password-screen', {
+  text: 'This document is password protected. Please enter a password.',
+  active: false,
+  timerId: undefined,
+  ready: function () {
+    this.activeChanged();
+  },
+  accept: function() {
+    this.successMessage = '✔'  // Tick.
+    this.$.successMessage.style.color = 'rgb(0,125,0)';
+    this.active = false;
+  },
+  deny: function() {
+    this.successMessage = '✘';  // Cross.
+    this.$.successMessage.style.color = 'rgb(255,0,0)';
+    this.$.password.disabled = false;
+    this.$.submit.disabled = false;
+    this.$.password.focus();
+    this.$.password.select();
+  },
+  submit: function(e) {
+    // Prevent the default form submission behavior.
+    e.preventDefault();
+    if (this.$.password.value.length == 0)
+      return;
+    this.successMessage = '...';
+    this.$.successMessage.style.color = 'rgb(0,0,0)';
+    this.$.password.disabled = true;
+    this.$.submit.disabled = true;
+    this.fire('password-submitted', {password: this.$.password.value});
+  },
+  activeChanged: function() {
+    clearTimeout(this.timerId);
+    this.timerId = undefined;
+    if (this.active) {
+      this.style.visibility = 'visible';
+      this.style.opacity = 1;
+      this.successMessage = '';
+      this.$.password.focus();
+    } else {
+      this.style.opacity = 0;
+      this.timerId = setTimeout(function() {
+        this.style.visibility = 'hidden'
+      }.bind(this), 400);
+    }
+  }
+});