Mouse press should focus on any types of form controls.

Source/WebCore/html/HTMLTextAreaElement.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, 2010 Apple Inc. All rights reserved.
  *           (C) 2006 Alexey Proskuryakov (ap@nypop.com)
  * Copyright (C) 2007 Samuel Weinig (sam@webkit.org)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 224 matching lines @@
 {
     return true;
 }
 
 bool HTMLTextAreaElement::isKeyboardFocusable(KeyboardEvent*) const
 {
     // If a given text area can be focused at all, then it will always be keyboard focusable.
     return isFocusable();
 }
 
-bool HTMLTextAreaElement::isMouseFocusable() const
-{
-    return isFocusable();
-}
-
 void HTMLTextAreaElement::updateFocusAppearance(bool restorePreviousSelection)
 {
     if (!restorePreviousSelection || !hasCachedSelection()) {
         // If this is the first focus, set a caret at the beginning of the text.  
         // This matches some browsers' behavior; see bug 11746 Comment #15.
         // http://bugs.webkit.org/show_bug.cgi?id=11746#c15
         setSelectionRange(0, 0);
     } else
         restoreCachedSelection();
 
@@ skipping 292 matching lines @@
         RefPtr<HTMLDivElement> placeholder = HTMLDivElement::create(document());
         m_placeholder = placeholder.get();
         m_placeholder->setPseudo(AtomicString("-webkit-input-placeholder", AtomicString::ConstructFromLiteral));
         userAgentShadowRoot()->insertBefore(m_placeholder, innerTextElement()->nextSibling(), ASSERT_NO_EXCEPTION);
     }
     m_placeholder->setInnerText(placeholderText, ASSERT_NO_EXCEPTION);
     fixPlaceholderRenderer(m_placeholder, innerTextElement());
 }
 
 }