Mouse press should focus on any types of form controls.

Source/core/html/BaseChooserOnlyDateAndTimeInputType.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * 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.
  * 2.  Redistributions in binary form must reproduce the above copyright
  *     notice, this list of conditions and the following disclaimer in the
@@ skipping 110 matching lines @@
 {
     BaseClickableWithKeyInputType::handleKeyupEvent(*this, event);
 }
 
 void BaseChooserOnlyDateAndTimeInputType::accessKeyAction(bool sendMouseEvents)
 {
     BaseDateAndTimeInputType::accessKeyAction(sendMouseEvents);
     BaseClickableWithKeyInputType::accessKeyAction(element(), sendMouseEvents);
 }
 
-bool BaseChooserOnlyDateAndTimeInputType::isMouseFocusable() const
-{
-    return element()->isFocusable();
-}
-
 }
 #endif