Add an accessibility audit test for WebUI pages

chrome/browser/ui/webui/web_ui_browsertest.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_WEBUI_WEB_UI_BROWSERTEST_H_
 #define CHROME_BROWSER_UI_WEBUI_WEB_UI_BROWSERTEST_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 34 matching lines @@
       public content::JsInjectionReadyObserver {
  public:
   typedef ScopedVector<const base::Value> ConstValueVector;
   virtual ~WebUIBrowserTest();
 
   // Add a custom helper JS library for your test.
   // If a relative path is specified, it'll be read
   // as relative to the test data dir.
   void AddLibrary(const FilePath& library_path);
 
+  // Add a helper JS library from a path relative to base::DIR_SOURCE_ROOT.
+  void AddLibraryFromPath(const FilePath& path);

[scr, 2013/01/04 19:02:55]

As James said, change from member to anonymous namespaced function in the .cc
file, possibly taking another param for the WebUIBrowserTest object so that it
can call the public AddLibrary.

[aboxhall, 2013/01/04 22:26:51]

Done.

+
   // Runs a javascript function in the context of all libraries.
   // Note that calls to functions in test_api.js are not supported.
   // Takes ownership of Value* arguments.
   bool RunJavascriptFunction(const std::string& function_name);
   bool RunJavascriptFunction(const std::string& function_name,
                              base::Value* arg);
   bool RunJavascriptFunction(const std::string& function_name,
                              base::Value* arg1,
                              base::Value* arg2);
   bool RunJavascriptFunction(const std::string& function_name,
@@ skipping 129 matching lines @@
   // PreloadJavascriptLibraries().
   std::string preload_test_fixture_;
   std::string preload_test_name_;
 
   // When this is non-NULL, this is The WebUI instance used for testing.
   // Otherwise the selected tab's web_ui is used.
   content::WebUI* override_selected_web_ui_;
 };
 
 #endif  // CHROME_BROWSER_UI_WEBUI_WEB_UI_BROWSERTEST_H_