Merge 97351 - REGRESSION(r89915): <input type=email multiple> don't show the default value

Source/WebCore/html/RangeInputType.cpp

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  * Copyright (C) 2011 Apple 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.
@@ skipping 276 matching lines @@
 void RangeInputType::valueChanged()
 {
     sliderThumbElementOf(element())->setPositionFromValue();
 }
 
 String RangeInputType::fallbackValue()
 {
     return serializeForNumberType(StepRange(element()).defaultValue());
 }
 
-String RangeInputType::sanitizeValue(const String& proposedValue)
+String RangeInputType::sanitizeValue(const String& proposedValue) const
 {
-    // If the proposedValue is null than this is a reset scenario and we
-    // want the range input's value attribute to take priority over the
-    // calculated default (middle) value.
-    if (proposedValue.isNull())
-        return proposedValue;
-
     return serializeForNumberType(StepRange(element()).clampValue(proposedValue));
 }
 
 bool RangeInputType::shouldRespectListAttribute()
 {
     return true;
 }
 
 } // namespace WebCore