VrShell: implement insecure content warning display

chrome/browser/resources/vr_shell/vr_shell_ui.js

 // Copyright 2016 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.
 
 var vrShellUi = (function() {
   'use strict';
 
   /**
    * Enumeration of valid Anchroing for X axis.
    * A mesh can either be anchored to the left, right, or center of the main
@@ skipping 164 matching lines @@
     ];
 
     var buttonWidth = 0.3;
     var buttonHeight = 0.2;
     var buttonSpacing = 0.5;
     var buttonStartPosition = -buttonSpacing * (buttons.length / 2.0 - 0.5);
 
     for (var i = 0; i < buttons.length; i++) {
       var b = document.createElement('div');
       b.position = 'absolute';
-      b.style.top = '200px';
+      b.style.top = '384px';
       b.style.left = 50 * i + 'px';
       b.style.width = '50px';
       b.style.height = '50px';
       b.className = 'ui-button';
       b.textContent = buttons[i][0];
 
       // Add click behaviour.
       b.addEventListener('click', function(action, e) {
         chrome.send('doAction', [action]);
       }.bind(undefined, buttons[i][1]));
 
       document.body.appendChild(b);
 
       // Add a UI rectangle for the button.
-      var el = new UiElement(50 * i, 200, 50, 50, buttonWidth, buttonHeight);
+      var el = new UiElement(50 * i, 384, 50, 50, buttonWidth, buttonHeight);
       el.parentId = 0;
       el.setAnchoring(XAnchoring.XNONE, YAnchoring.YBOTTOM);
       el.setTranslation(buttonStartPosition + buttonSpacing * i, -0.3, 0.0);
       var id = idIndex++;
       addMesh(id, el);
 
       // Add transitions when the mouse hovers over (and leaves) the button.
       b.addEventListener('mouseenter', function(buttonId, width, height, e) {
         var resize = new Animation(buttonId, 250);
         resize.id = idIndex++;
@@ skipping 38 matching lines @@
     }
     chrome.send('updateScene', commands);
   }
 
   return {
     initialize: initialize,
   };
 })();
 
 document.addEventListener('DOMContentLoaded', vrShellUi.initialize);