Revert increased limit for m_selectorIndex.

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

Index: third_party/WebKit/Source/core/css/RuleSet.cpp
diff --git a/third_party/WebKit/Source/core/css/RuleSet.cpp b/third_party/WebKit/Source/core/css/RuleSet.cpp
index 97265dd33ad1cb1f1ea279619a118076b62e8e5b..897e8b5b7898fc456531f8903ee06f13c55928a1 100644
--- a/third_party/WebKit/Source/core/css/RuleSet.cpp
+++ b/third_party/WebKit/Source/core/css/RuleSet.cpp
@@ -121,6 +121,7 @@ RuleData::RuleData(StyleRule* rule,
                    AddRuleFlags addRuleFlags)
     : m_rule(rule),
       m_selectorIndex(selectorIndex),
+      m_isLastInArray(false),
       m_position(position),
       m_specificity(selector().specificity()),
       m_containsUncommonAttributeSelector(
@@ -129,7 +130,6 @@ RuleData::RuleData(StyleRule* rule,
       m_hasDocumentSecurityOrigin(addRuleFlags & RuleHasDocumentSecurityOrigin),
       m_propertyWhitelist(
           determinePropertyWhitelistType(addRuleFlags, selector())),
-      m_isLastInArray(false),
       m_descendantSelectorIdentifierHashes() {
   SelectorFilter::collectIdentifierHashes(
       selector(), m_descendantSelectorIdentifierHashes, maximumIdentifierCount);