Disable easter egg on enterprised enrolled devices

chrome/renderer/resources/offline.js

Index: chrome/renderer/resources/offline.js
diff --git a/chrome/renderer/resources/offline.js b/chrome/renderer/resources/offline.js
index 75404cc9e2618a33a09e5db79240f20345c2374d..5fabe448cf567c1a09b82eef58a5c1933fffa751 100644
--- a/chrome/renderer/resources/offline.js
+++ b/chrome/renderer/resources/offline.js
@@ -61,7 +61,12 @@ function Runner(outerContainerId, opt_config) {
   // Images.
   this.images = {};
   this.imagesLoaded = 0;
-  this.loadImages();
+
+  if (this.isDisabled()) {
+    this.setupDisabledRunner();
+  } else {
+    this.loadImages();
+  }
 }
 window['Runner'] = Runner;
 
@@ -135,6 +140,8 @@ Runner.classes = {
   CONTAINER: 'runner-container',
   CRASHED: 'crashed',
   ICON: 'icon-offline',
+  SNACKBAR: 'snackbar',
+  SNACKBAR_SHOW: 'snackbar-show',
   TOUCH_CONTROLLER: 'controller'
 };
 
@@ -210,6 +217,32 @@ Runner.events = {
 
 Runner.prototype = {
   /**
+   * Whether the easter egg has been disabled. CrOS enterprise enrolled devices.
+   * @return {boolean}
+   */
+  isDisabled: function() {
+    return loadTimeData && loadTimeData.valueExists('disabledEasterEgg');
+  },
+
+  /**
+   * For disabled instances, set up a snackbar with the disabled message.
+   */
+  setupDisabledRunner: function() {
+    this.containerEl = document.createElement('div');
+    this.containerEl.className = Runner.classes.SNACKBAR;
+    this.containerEl.textContent = loadTimeData.getValue('disabledEasterEgg');
+    this.outerContainerEl.appendChild(this.containerEl);
+
+    // Show notification when the activation key is pressed.
+    document.addEventListener(Runner.events.KEYDOWN, function(e) {
+      if (Runner.keycodes.JUMP[e.keyCode]) {
+        this.containerEl.classList.add(Runner.classes.SNACKBAR_SHOW);
+        document.querySelector('.icon').classList.add('icon-disabled');
+      }
+    }.bind(this));
+  },
+
+  /**
    * Setting individual settings for debugging.
    * @param {string} setting
    * @param {*} value