reland r110861 reverted after fixing ChromeOS failure.

chrome/browser/ui/webui/bidi_checker_web_ui_test.h

 // Copyright (c) 2011 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_BIDI_CHECKER_WEB_UI_TEST_H_
 #define CHROME_BROWSER_UI_WEBUI_BIDI_CHECKER_WEB_UI_TEST_H_
 #pragma once
 
 #include "chrome/browser/ui/webui/web_ui_browsertest.h"
 #include "chrome/test/base/in_process_browser_test.h"
 
 // Base class for BidiChecker-based tests. Preloads the BidiChecker JS library
 // for each test.
 class WebUIBidiCheckerBrowserTest : public WebUIBrowserTest {
  public:
   virtual ~WebUIBidiCheckerBrowserTest();
 
+ protected:
+  WebUIBidiCheckerBrowserTest();
+
   // Runs the Bidi Checker on the given page URL. |isRTL| should be true when
   // the active page locale is RTL.
   void RunBidiCheckerOnPage(const char pageURL[], bool isRTL);
 
- protected:
-  WebUIBidiCheckerBrowserTest();
-
   // Setup test path.
   virtual void SetUpInProcessBrowserTestFixture() OVERRIDE;
 };
 
+// Base class for BidiChecker-based tests that run with an LTR UI.
+class WebUIBidiCheckerBrowserTestLTR : public WebUIBidiCheckerBrowserTest {
+ public:
+  void RunBidiCheckerOnPage(const char pageURL[]);
+};
+
 // Base class for BidiChecker-based tests that run with an RTL UI.
-// Preloads the BidiChecker JS library for each test, as well as modifies the
-// active language.
-class WebUIBidiCheckerBrowserTestFakeBidi : public WebUIBidiCheckerBrowserTest {
+class WebUIBidiCheckerBrowserTestRTL : public WebUIBidiCheckerBrowserTest {
  public:
-  virtual ~WebUIBidiCheckerBrowserTestFakeBidi();
+  void RunBidiCheckerOnPage(const char pageURL[]);
 
  protected:
-  WebUIBidiCheckerBrowserTestFakeBidi();
-
   virtual void SetUpOnMainThread() OVERRIDE;
   virtual void CleanUpOnMainThread() OVERRIDE;
 
   // The app locale before we change it
   std::string app_locale_;
 };
 
 #endif  // CHROME_BROWSER_UI_WEBUI_BIDI_CHECKER_WEB_UI_TEST_H_