Revert of Update of change event for input type number (https://codereview.chromium.org/128133002/)

Source/core/html/shadow/SpinButtonElement.cpp

Index: Source/core/html/shadow/SpinButtonElement.cpp
diff --git a/Source/core/html/shadow/SpinButtonElement.cpp b/Source/core/html/shadow/SpinButtonElement.cpp
index 04e21b86af6f1ea332e91be804b0b1b0519bbc43..e9cefa5ccc4570b4ee454285e35cb77b541cecfd 100644
--- a/Source/core/html/shadow/SpinButtonElement.cpp
+++ b/Source/core/html/shadow/SpinButtonElement.cpp
@@ -112,7 +112,7 @@ void SpinButtonElement::defaultEventHandler(Event* event)
             event->setDefaultHandled();
         }
     } else if (mouseEvent->type() == EventTypeNames::mouseup && mouseEvent->button() == LeftButton) {
-        releaseCapture();
+        stopRepeatingTimer();
     } else if (event->type() == EventTypeNames::mousemove) {
         if (box->pixelSnappedBorderBoxRect().contains(local)) {
             if (!m_capturing) {
@@ -198,8 +198,6 @@ void SpinButtonElement::releaseCapture()
             if (Page* page = document().page())
                 page->chrome().unregisterPopupOpeningObserver(this);
         }
-        if (m_spinButtonOwner)
-            m_spinButtonOwner->spinButtonDidReleaseMouseCapture();
     }
 }