Fix for mouse capture and release on ClearButtonElement

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 402 matching lines @@
             return;
     }
 
     if (DateTimeEditElement* edit = dateTimeEditElement())
         edit->defaultEventHandler(event);
 }
 
 void BaseMultipleFieldsDateAndTimeInputType::disabledAttributeChanged()
 {
     spinButtonElement()->releaseCapture();
-    clearButtonElement()->releaseCapture();
     if (DateTimeEditElement* edit = dateTimeEditElement())
         edit->disabledStateChanged();
 }
 
 void BaseMultipleFieldsDateAndTimeInputType::requiredAttributeChanged()
 {
-    clearButtonElement()->releaseCapture();
     updateClearButtonVisibility();
 }
 
 void BaseMultipleFieldsDateAndTimeInputType::handleKeydownEvent(KeyboardEvent* event)
 {
     if (m_pickerIndicatorIsVisible
         && ((event->keyIdentifier() == "Down" && event->getModifierState("Alt")) || (RenderTheme::theme().shouldOpenPickerWithF4Key() && event->keyIdentifier() == "F4"))) {
         if (PickerIndicatorElement* element = pickerIndicatorElement())
             element->openPopup();
         event->setDefaultHandled();
@@ skipping 19 matching lines @@
 }
 
 void BaseMultipleFieldsDateAndTimeInputType::minOrMaxAttributeChanged()
 {
     updateView();
 }
 
 void BaseMultipleFieldsDateAndTimeInputType::readonlyAttributeChanged()
 {
     spinButtonElement()->releaseCapture();
-    clearButtonElement()->releaseCapture();
     if (DateTimeEditElement* edit = dateTimeEditElement())
         edit->readOnlyStateChanged();
 }
 
 void BaseMultipleFieldsDateAndTimeInputType::restoreFormControlState(const FormControlState& state)
 {
     DateTimeEditElement* edit = dateTimeEditElement();
     if (!edit)
         return;
     DateTimeFieldsState dateTimeFieldsState = DateTimeFieldsState::restoreFormControlState(state);
@@ skipping 148 matching lines @@
 AXObject* BaseMultipleFieldsDateAndTimeInputType::popupRootAXObject()
 {
     if (PickerIndicatorElement* picker = pickerIndicatorElement())
         return picker->popupRootAXObject();
     return 0;
 }
 
 } // namespace blink
 
 #endif