Mouse press should focus on any types of form controls.

Source/WebCore/html/HTMLInputElement.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, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  *           (C) 2006 Alexey Proskuryakov (ap@nypop.com)
  * Copyright (C) 2007 Samuel Weinig (sam@webkit.org)
  * Copyright (C) 2010 Google Inc. All rights reserved.
  * Copyright (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2012 Samsung Electronics. All rights reserved.
@@ skipping 371 matching lines @@
 bool HTMLInputElement::hasCustomFocusLogic() const
 {
     return m_inputType->hasCustomFocusLogic();
 }
 
 bool HTMLInputElement::isKeyboardFocusable(KeyboardEvent* event) const
 {
     return m_inputType->isKeyboardFocusable(event);
 }
 
-bool HTMLInputElement::isMouseFocusable() const
-{
-    return m_inputType->isMouseFocusable();
-}
-
 bool HTMLInputElement::isTextFormControlKeyboardFocusable(KeyboardEvent* event) const
 {
     return HTMLTextFormControlElement::isKeyboardFocusable(event);
 }
 
-bool HTMLInputElement::isTextFormControlMouseFocusable() const
-{
-    return HTMLTextFormControlElement::isMouseFocusable();
-}
-
 void HTMLInputElement::updateFocusAppearance(bool restorePreviousSelection)
 {
     if (isTextField()) {
         if (!restorePreviousSelection || !hasCachedSelection())
             select();
         else
             restoreCachedSelection();
         if (document()->frame())
             document()->frame()->selection()->revealSelection();
     } else
@@ skipping 1555 matching lines @@
 }
 
 #if ENABLE(INPUT_MULTIPLE_FIELDS_UI)
 PassRefPtr<RenderStyle> HTMLInputElement::customStyleForRenderer()
 {
     return m_inputType->customStyleForRenderer(document()->styleResolver()->styleForElement(this));
 }
 #endif
 
 } // namespace