Ensure WebView notifies desktop automation on creation, destruction, and change

chrome/test/base/extension_js_browser_test.h

 // Copyright 2014 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.
 
 #ifndef CHROME_TEST_BASE_EXTENSION_JS_BROWSER_TEST_H_
 #define CHROME_TEST_BASE_EXTENSION_JS_BROWSER_TEST_H_
 
 #include "base/callback_forward.h"
 #include "chrome/test/base/extension_load_waiter_one_shot.h"
 #include "chrome/test/base/javascript_browser_test.h"
 
 // A super class that handles javascript-based tests against an extension.
 //
 // See an example usage at
 //chrome/browser/resources/chromeos/chromevox2/cvox2/background/background.extjs
 class ExtensionJSBrowserTest : public JavaScriptBrowserTest {
  public:
   ExtensionJSBrowserTest();
 
-  virtual ~ExtensionJSBrowserTest();
+  ~ExtensionJSBrowserTest() override;
 
  protected:
   // Waits for an extension to load; returns immediately if already loaded.
   void WaitForExtension(const char* extension_id, const base::Closure& load_cb);
 
   // Method required for js2gtest.
   // Runs |test_fixture|.|test_name| using the framework in test_api.js.
   bool RunJavascriptTestF(bool is_async,
                           const std::string& test_fixture,
                           const std::string& test_name);
 
  private:
   scoped_ptr<ExtensionLoadWaiterOneShot> load_waiter_;
   bool libs_loaded_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionJSBrowserTest);
 };
 
 #endif  // CHROME_TEST_BASE_EXTENSION_JS_BROWSER_TEST_H_