Sample Extension for chrome.devtools.inspectedWindow.reload preprocessor option

chrome/common/extensions/docs/examples/api/devtools/inspectedWindow/chrome-preprocessor/Panel/InspectedWindowLoadMonitor.js

Index: chrome/common/extensions/docs/examples/api/devtools/inspectedWindow/chrome-preprocessor/Panel/InspectedWindowLoadMonitor.js
diff --git a/chrome/common/extensions/docs/examples/api/devtools/inspectedWindow/chrome-preprocessor/Panel/InspectedWindowLoadMonitor.js b/chrome/common/extensions/docs/examples/api/devtools/inspectedWindow/chrome-preprocessor/Panel/InspectedWindowLoadMonitor.js
new file mode 100644
index 0000000000000000000000000000000000000000..80421f58c27cda6cc53f0015f5221e167812786c
--- /dev/null
+++ b/chrome/common/extensions/docs/examples/api/devtools/inspectedWindow/chrome-preprocessor/Panel/InspectedWindowLoadMonitor.js
@@ -0,0 +1,53 @@
+// Copyright (c) 2013 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.
+
+/** @fileoverview The chrome.devtools API does not support notifications from
+ *  within a Web page nor does it report on events occuring in the page. For now
+ *  we poll the page to determine a reasonable time to report the scripts.
+ */
+
+(function() {
+  /*
+   * @param {function} Called  after the 'load' event on the inspected window
+   * @return {function} A function to be injected into the inspected window.
+   */
+  function LoadMonitor(onLoadedCallback) {
+
+    function checkForLoad() {
+      var expr = 'window.__inspectedWindowLoaded';
+      function onEval(isLoaded, isException) {
+        if (isException)
+          throw new Error('Eval failed for ' + expr, isException.value);
+        if (isLoaded)
+          onLoadedCallback();
+        else
+          pollForLoad();
+      }
+      chrome.devtools.inspectedWindow.eval(expr, onEval);
+    }
+
+    function pollForLoad() {
+      setTimeout(checkForLoad, 200);
+    }
+
+    pollForLoad();
+  }
+
+  LoadMonitor.prototype = {
+    // This function should be converted to a string and run in the Web page
+    injectedScript: function() {
+      // Initialize a secret data structure.
+      window.__inspectedWindowLoaded = false;
+      window.addEventListener('load', function() {
+        window.__inspectedWindowLoaded = true;
+        console.log('loaded');
+      });
+    }
+  };
+
+  window.InspectedWindow = window.InspectedWindow || {};
+  InspectedWindow.LoadMonitor = LoadMonitor;
+})();
+
+