Revert of Update of change event for input type number

Source/core/html/forms/InputType.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  *           (C) 2006 Alexey Proskuryakov (ap@nypop.com)
  * Copyright (C) 2007 Samuel Weinig (sam@webkit.org)
  * Copyright (C) 2009, 2010, 2011, 2012 Google Inc. All rights reserved.
  * Copyright (C) 2012 Samsung Electronics. All rights reserved.
  *
@@ skipping 916 matching lines @@
     if (!current.isFinite()) {
         current = defaultValueForStepUp();
         const Decimal nextDiff = step * n;
         if (current < stepRange.minimum() - nextDiff)
             current = stepRange.minimum() - nextDiff;
         if (current > stepRange.maximum() - nextDiff)
             current = stepRange.maximum() - nextDiff;
         setValueAsDecimal(current, DispatchNoEvent, IGNORE_EXCEPTION);
     }
     if ((sign > 0 && current < stepRange.minimum()) || (sign < 0 && current > stepRange.maximum())) {
-        setValueAsDecimal(sign > 0 ? stepRange.minimum() : stepRange.maximum(), DispatchChangeEvent, IGNORE_EXCEPTION);
+        setValueAsDecimal(sign > 0 ? stepRange.minimum() : stepRange.maximum(), DispatchInputAndChangeEvent, IGNORE_EXCEPTION);
     } else {
         if (stepMismatch(element().value())) {
             ASSERT(!step.isZero());
             const Decimal base = stepRange.stepBase();
             Decimal newValue;
             if (sign < 0)
                 newValue = base + ((current - base) / step).floor() * step;
             else if (sign > 0)
                 newValue = base + ((current - base) / step).ceiling() * step;
             else
                 newValue = current;
 
             if (newValue < stepRange.minimum())
                 newValue = stepRange.minimum();
             if (newValue > stepRange.maximum())
                 newValue = stepRange.maximum();
 
-            setValueAsDecimal(newValue, n == 1 || n == -1 ? DispatchChangeEvent : DispatchNoEvent, IGNORE_EXCEPTION);
+            setValueAsDecimal(newValue, n == 1 || n == -1 ? DispatchInputAndChangeEvent : DispatchNoEvent, IGNORE_EXCEPTION);
             if (n > 1)
-                applyStep(n - 1, AnyIsDefaultStep, DispatchChangeEvent, IGNORE_EXCEPTION);
+                applyStep(n - 1, AnyIsDefaultStep, DispatchInputAndChangeEvent, IGNORE_EXCEPTION);
             else if (n < -1)
-                applyStep(n + 1, AnyIsDefaultStep, DispatchChangeEvent, IGNORE_EXCEPTION);
+                applyStep(n + 1, AnyIsDefaultStep, DispatchInputAndChangeEvent, IGNORE_EXCEPTION);
         } else {
-            applyStep(n, AnyIsDefaultStep, DispatchChangeEvent, IGNORE_EXCEPTION);
+            applyStep(n, AnyIsDefaultStep, DispatchInputAndChangeEvent, IGNORE_EXCEPTION);
         }
     }
 }
 
 void InputType::countUsageIfVisible(UseCounter::Feature feature) const
 {
     if (RenderStyle* style = element().renderStyle()) {
         if (style->visibility() != HIDDEN)
             UseCounter::count(element().document(), feature);
     }
@@ skipping 10 matching lines @@
 StepRange InputType::createStepRange(AnyStepHandling anyStepHandling, const Decimal& stepBaseDefault, const Decimal& minimumDefault, const Decimal& maximumDefault, const StepRange::StepDescription& stepDescription) const
 {
     const Decimal stepBase = findStepBase(stepBaseDefault);
     const Decimal minimum = parseToNumber(element().fastGetAttribute(minAttr), minimumDefault);
     const Decimal maximum = parseToNumber(element().fastGetAttribute(maxAttr), maximumDefault);
     const Decimal step = StepRange::parseStep(anyStepHandling, stepDescription, element().fastGetAttribute(stepAttr));
     return StepRange(stepBase, minimum, maximum, step, stepDescription);
 }
 
 } // namespace WebCore