Implement chromium.self in content scripts, fix bugs

chrome/test/data/extensions/content_script_inject/js_test.js

+// Copyright (c) 2009 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.
+
+// A quick and dirty JavaScript test runner.
+
+function assert(truth) {
+  if (!truth) {
+    throw new Error('Assertion failed');
+  }
+}
+
+function runAllTests() {
+  // If there was already an error, do nothing. We don't want to muddy
+  // up the results.
+  if (document.title.indexOf("Error: ") == 0) {
+    return;
+  }
+
+  for (var propName in window) {
+    if (typeof window[propName] == "function" &&
+        propName.indexOf("test") == 0) {
+      try {
+        window[propName]();
+        document.title += propName + ",";
+      } catch (e) {
+        // We use document.title to communicate results back to the browser.
+        document.title = "Error: " + propName + ': ' + e.message;
+        return;
+      }
+    }
+  }
+}