[rendertext,i18n] Added flag to force RTL rendering

chrome/browser/flag_descriptions.h

 // Copyright 2017 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_FLAG_DESCRIPTIONS_H_
 #define CHROME_BROWSER_FLAG_DESCRIPTIONS_H_
 
 // Includes needed for macros allowing conditional compilation of some strings.
 #include "build/build_config.h"
 #include "build/buildflag.h"
@@ skipping 1737 matching lines @@
 extern const char kAutofillCreditCardUploadDescription[];
 
 #endif  // defined(TOOLKIT_VIEWS) || defined(OS_ANDROID)
 
 // Name for the flag to force a specific UI direction.
 extern const char kForceUiDirectionName[];
 
 // Description for the flag to force a specific UI direction.
 extern const char kForceUiDirectionDescription[];
 
-// Name for the option to force left-to-right UI direction mode.
-extern const char kForceUiDirectionLtr[];
+// Name for the flag to force a specific text rendering direction.
+extern const char kForceTextDirectionName[];
 
-// Name for the option to force right-to-left UI direction mode.
-extern const char kForceUiDirectionRtl[];
+// Description for the flag to force a specific text rendering direction.
+extern const char kForceTextDirectionDescription[];
+
+// Name for the option to force left-to-right UI or text direction mode.
+extern const char kForceDirectionLtr[];
+
+// Name for the option to force right-to-left UI or text direction mode.
+extern const char kForceDirectionRtl[];
 
 #if defined(OS_WIN) || defined(OS_LINUX)
 
 // Name of the flag to enable che chrome.input.ime API.
 extern const char kEnableInputImeApiName[];
 
 // Description of the flag to enable the chrome.input.ime API.
 extern const char kEnableInputImeApiDescription[];
 
 #endif  // defined(OS_WIN) || defined(OS_LINUX)
@@ skipping 1546 matching lines @@
 // current URL.
 extern const char kOmniboxDisplayTitleForCurrentUrlName[];
 
 // Description of the about: flag for displaying the title of the omnibox match
 // for current URL.
 extern const char kOmniboxDisplayTitleForCurrentUrlDescription[];
 
 }  // namespace flag_descriptions
 
 #endif  // CHROME_BROWSER_FLAG_DESCRIPTIONS_H_