Mouse press should focus on any types of form controls.

Source/WebCore/html/HTMLFormControlElement.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007 Apple Inc. All rights reserved.
  *           (C) 2006 Alexey Proskuryakov (ap@nypop.com)
  *
  * 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
@@ skipping 313 matching lines @@
 }
 
 bool HTMLFormControlElement::isKeyboardFocusable(KeyboardEvent* event) const
 {
     if (isFocusable())
         if (document()->frame())
             return document()->frame()->eventHandler()->tabsToAllFormControls(event);
     return false;
 }
 
-bool HTMLFormControlElement::isMouseFocusable() const
-{
-    return false;
-}
-
 short HTMLFormControlElement::tabIndex() const
 {
     // Skip the supportsFocus check in HTMLElement.
     return Element::tabIndex();
 }
 
 bool HTMLFormControlElement::recalcWillValidate() const
 {
     if (m_dataListAncestorState == Unknown) {
         for (ContainerNode* ancestor = parentNode(); ancestor; ancestor = ancestor->parentNode()) {
@@ skipping 134 matching lines @@
 }
 
 void HTMLFormControlElement::reportMemoryUsage(MemoryObjectInfo* memoryObjectInfo) const
 {
     MemoryClassInfo info(memoryObjectInfo, this, WebCoreMemoryTypes::DOM);
     LabelableElement::reportMemoryUsage(memoryObjectInfo);
     info.addMember(m_validationMessage, "validationMessage");
 }
 
 } // namespace Webcore