No need to store ranges in MatchedPropertiesCache.

Source/core/css/resolver/MatchedPropertiesCache.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 2004-2005 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2006, 2007 Nicholas Shanks (webkit@nickshanks.com)
  * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org>
  * Copyright (C) 2007, 2008 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (c) 2011, Code Aurora Forum. All rights reserved.
  * Copyright (C) Research In Motion Limited 2011. All rights reserved.
@@ skipping 20 matching lines @@
 
 #include "core/css/StylePropertySet.h"
 #include "core/css/resolver/StyleResolverState.h"
 #include "core/style/ComputedStyle.h"
 
 namespace blink {
 
 void CachedMatchedProperties::set(const ComputedStyle& style, const ComputedStyle& parentStyle, const MatchResult& matchResult)
 {
     matchedProperties.appendVector(matchResult.matchedProperties);
-    ranges = matchResult.ranges;
 
     // Note that we don't cache the original ComputedStyle instance. It may be further modified.
     // The ComputedStyle in the cache is really just a holder for the substructures and never used as-is.
     this->computedStyle = ComputedStyle::clone(style);
     this->parentComputedStyle = ComputedStyle::clone(parentStyle);
 }
 
 void CachedMatchedProperties::clear()
 {
     matchedProperties.clear();
@@ skipping 21 matching lines @@
 
     size_t size = matchResult.matchedProperties.size();
     if (size != cacheItem->matchedProperties.size())
         return 0;
     if (cacheItem->computedStyle->insideLink() != styleResolverState.style()->insideLink())
         return 0;
     for (size_t i = 0; i < size; ++i) {
         if (matchResult.matchedProperties[i] != cacheItem->matchedProperties[i])
             return 0;
     }
-    if (cacheItem->ranges != matchResult.ranges)
-        return 0;
     return cacheItem;
 }
 
 void MatchedPropertiesCache::add(const ComputedStyle& style, const ComputedStyle& parentStyle, unsigned hash, const MatchResult& matchResult)
 {
 #if !ENABLE(OILPAN)
     static const unsigned maxAdditionsBetweenSweeps = 100;
     if (++m_additionsSinceLastSweep >= maxAdditionsBetweenSweeps
         && !m_sweepTimer.isActive()) {
         static const unsigned sweepTimeInSeconds = 60;
@@ skipping 68 matching lines @@
 }
 
 DEFINE_TRACE(MatchedPropertiesCache)
 {
 #if ENABLE(OILPAN)
     visitor->trace(m_cache);
 #endif
 }
 
 }