REGRESSION: Click on focused link should not remove focus on it.

Source/core/page/EventHandler.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2012 Digia Plc. and/or its subsidiary(-ies)
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
@@ skipping 2020 matching lines @@
         // The layout needs to be up to date to determine if an element is focusable.
         m_frame->document()->updateLayoutIgnorePendingStylesheets();
 
         // Blur current focus node when a link/button is clicked; this
         // is expected by some sites that rely on onChange handlers running
         // from form fields before the button click is processed.
         Node* node = m_nodeUnderMouse.get();
 
         // Walk up the DOM tree to search for a node to focus.
         while (node) {
-            if (node->isMouseFocusable()) {
+            if (node->isFocusable()) {
                 // To fix <rdar://problem/4895428> Can't drag selected ToDo, we don't focus a
                 // node on mouse down if it's selected and inside a focused node. It will be
                 // focused if the user does a mouseup over it, however, because the mouseup
                 // will set a selection inside it, which will call setFocuseNodeIfNeeded.
                 Node* n = node->isShadowRoot() ? toShadowRoot(node)->host() : node;
                 if (m_frame->selection()->isRange()
                     && m_frame->selection()->toNormalizedRange()->compareNode(n, IGNORE_EXCEPTION) == Range::NODE_INSIDE
                     && n->isDescendantOf(m_frame->document()->focusedElement()))
                     return true;
 
@@ skipping 1786 matching lines @@
 unsigned EventHandler::accessKeyModifiers()
 {
 #if OS(DARWIN)
     return PlatformEvent::CtrlKey | PlatformEvent::AltKey;
 #else
     return PlatformEvent::AltKey;
 #endif
 }
 
 } // namespace WebCore