Move z-index property handling into CSSPropertyParser

third_party/WebKit/Source/core/css/CSSValuePool.cpp

 /*
  * Copyright (C) 2011, 2012 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 95 matching lines @@
     switch (type) {
     case CSSPrimitiveValue::UnitType::Pixels:
         if (!m_pixelValueCache[intValue])
             m_pixelValueCache[intValue] = CSSPrimitiveValue::create(value, type);
         return m_pixelValueCache[intValue];
     case CSSPrimitiveValue::UnitType::Percentage:
         if (!m_percentValueCache[intValue])
             m_percentValueCache[intValue] = CSSPrimitiveValue::create(value, type);
         return m_percentValueCache[intValue];
     case CSSPrimitiveValue::UnitType::Number:
+    case CSSPrimitiveValue::UnitType::Integer:

[Timothy Loh, 2015/10/29 02:38:05]

This bit seems a bit weird, but I think it's okay for now...

         if (!m_numberValueCache[intValue])
-            m_numberValueCache[intValue] = CSSPrimitiveValue::create(value, type);
+            m_numberValueCache[intValue] = CSSPrimitiveValue::create(value, CSSPrimitiveValue::UnitType::Integer);
         return m_numberValueCache[intValue];
     default:
         return CSSPrimitiveValue::create(value, type);
     }
 }
 
 PassRefPtrWillBeRawPtr<CSSPrimitiveValue> CSSValuePool::createValue(const Length& value, const ComputedStyle& style)
 {
     return CSSPrimitiveValue::create(value, style.effectiveZoom());
 }
@@ skipping 36 matching lines @@
     visitor->trace(m_colorBlack);
     visitor->trace(m_pixelValueCache);
     visitor->trace(m_percentValueCache);
     visitor->trace(m_numberValueCache);
     visitor->trace(m_fontFaceValueCache);
     visitor->trace(m_fontFamilyValueCache);
 #endif
 }
 
 }