Revert of Revert "Revert of Update of change event for input type number

Source/core/html/forms/BaseMultipleFieldsDateAndTimeInputType.cpp

 /*
  * Copyright (C) 2010 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 222 matching lines @@
     if (DateTimeEditElement* edit = dateTimeEditElement())
         edit->stepDown();
 }
 
 void BaseMultipleFieldsDateAndTimeInputType::spinButtonStepUp()
 {
     if (DateTimeEditElement* edit = dateTimeEditElement())
         edit->stepUp();
 }
 
-void BaseMultipleFieldsDateAndTimeInputType::spinButtonDidReleaseMouseCapture()
-{
-    element().dispatchFormControlChangeEvent();
-}
-
 bool BaseMultipleFieldsDateAndTimeInputType::isPickerIndicatorOwnerDisabledOrReadOnly() const
 {
     return element().isDisabledOrReadOnly();
 }
 
 void BaseMultipleFieldsDateAndTimeInputType::pickerIndicatorChooseValue(const String& value)
 {
     if (element().isValidValue(value)) {
         element().setValue(value, DispatchInputAndChangeEvent);
         return;
@@ skipping 349 matching lines @@
         clearButton->setInlineStyleProperty(CSSPropertyPointerEvents, CSSValueNone);
     } else {
         clearButton->removeInlineStyleProperty(CSSPropertyOpacity);
         clearButton->removeInlineStyleProperty(CSSPropertyPointerEvents);
     }
 }
 
 } // namespace WebCore
 
 #endif