Change in focus with movement of Arrow keys for RTL radio buttons

third_party/WebKit/Source/core/html/forms/RadioInputType.cpp

 /*
  * Copyright (C) 2005, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 55 matching lines @@
 }
 
 void RadioInputType::handleClickEvent(MouseEvent* event)
 {
     event->setDefaultHandled();
 }
 
 HTMLInputElement* RadioInputType::findNextFocusableRadioButtonInGroup(HTMLInputElement* currentElement, bool forward)
 {
     HTMLElement* htmlElement;
+    if (computedTextDirection() == RTL)

[tkent, 2016/02/03 23:45:37]

Here is not a right place to check RTL.
We don't need to change the behavior of Up/Down arrow keys in RTL.

[chakshu, 2016/02/08 09:46:40]

Done.

+        forward = !(forward);
     for (htmlElement = nextElement(*currentElement, element().form(), forward); htmlElement; htmlElement = nextElement(*htmlElement, element().form(), forward)) {
         if (!isHTMLInputElement(*htmlElement))
             continue;
         HTMLInputElement* inputElement = toHTMLInputElement(htmlElement);
         if (element().form() == inputElement->form() && inputElement->type() == InputTypeNames::radio && inputElement->name() == element().name() && inputElement->isFocusable())
             return inputElement;
     }
     return nullptr;
 }
 
@@ skipping 116 matching lines @@
     // The work we did in willDispatchClick was default handling.
     event->setDefaultHandled();
 }
 
 bool RadioInputType::shouldAppearIndeterminate() const
 {
     return !element().checkedRadioButtonForGroup();
 }
 
 } // namespace blink