Adding a test for measuring memory usage.

tools/chrome_remote_control/chrome_remote_control/test_helpers.js

Index: tools/chrome_remote_control/chrome_remote_control/test_helpers.js
diff --git a/tools/chrome_remote_control/chrome_remote_control/test_helpers.js b/tools/chrome_remote_control/chrome_remote_control/test_helpers.js
new file mode 100644
index 0000000000000000000000000000000000000000..0fb3e019b0085f9d37b0e15b8338879a17132f96
--- /dev/null
+++ b/tools/chrome_remote_control/chrome_remote_control/test_helpers.js
@@ -0,0 +1,37 @@
+// Copyright (c) 2012 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.
+
+// Inject this script on any page to use test helpers, e.g., click a link which
+// matches a given text.
+
+(function() {
+  function findElementWithText(element, text) {
+    if (element.innerHTML == text) {
+      return element;
+    }
+    for (var i in element.childNodes) {
+      var found_element = findElementWithText(element.childNodes[i], text);
+      if (found_element) {
+        return found_element;
+      }
+    }
+    return null;
+  }
+
+  function ClickLinkWithText(text) {
+    var element = findElementWithText(document, text);
+    if (element) {
+      element.click();
+      return true;
+    }
+    return false;
+  }
+
+  function ReadyStateComplete() {
+    return document.readyState == "complete";
+  }
+
+  window.__ClickLinkWithText = ClickLinkWithText;
+  window.__ReadyStateComplete = ReadyStateComplete;
+})();