PDF: Delete non-material viewer

chrome/browser/resources/pdf/elements/viewer-password-screen-legacy/viewer-password-screen-legacy.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({
-  is: 'viewer-password-screen-legacy',
-
-  properties: {
-    text: {
-      type: String,
-      value: 'This document is password protected. Please enter a password.',
-    },
-
-    active: {
-      type: Boolean,
-      value: false,
-      observer: 'activeChanged'
-    }
-  },
-
-  timerId: undefined,
-
-  ready: function() {
-    this.activeChanged();
-  },
-
-  accept: function() {
-    this.active = false;
-  },
-
-  deny: function() {
-    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.$.password.value.length == 0)
-      return;
-    this.$.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.$.password.focus();
-    } else {
-      this.style.opacity = 0;
-      this.timerId = setTimeout(function() {
-        this.style.visibility = 'hidden';
-      }.bind(this), 400);
-    }
-  }
-});