Oilpan: Remove most WillBe types from the code base

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

Index: third_party/WebKit/Source/core/css/CSSGroupingRule.cpp
diff --git a/third_party/WebKit/Source/core/css/CSSGroupingRule.cpp b/third_party/WebKit/Source/core/css/CSSGroupingRule.cpp
index dcfb0f0f21da05f3dbc144853be516615d7487b2..c88767970dc9cc4ad6c116ecd9998e22ca0e3b59 100644
--- a/third_party/WebKit/Source/core/css/CSSGroupingRule.cpp
+++ b/third_party/WebKit/Source/core/css/CSSGroupingRule.cpp
@@ -69,7 +69,7 @@ unsigned CSSGroupingRule::insertRule(const String& ruleString, unsigned index, E
 
     CSSStyleSheet* styleSheet = parentStyleSheet();
     CSSParserContext context(parserContext(), UseCounter::getFrom(styleSheet));
-    RefPtrWillBeRawPtr<StyleRuleBase> newRule = CSSParser::parseRule(context, styleSheet ? styleSheet->contents() : nullptr, ruleString);
+    RawPtr<StyleRuleBase> newRule = CSSParser::parseRule(context, styleSheet ? styleSheet->contents() : nullptr, ruleString);
     if (!newRule) {
         exceptionState.throwDOMException(SyntaxError, "the rule '" + ruleString + "' is invalid and cannot be parsed.");
         return 0;
@@ -90,7 +90,7 @@ unsigned CSSGroupingRule::insertRule(const String& ruleString, unsigned index, E
 
     m_groupRule->wrapperInsertRule(index, newRule);
 
-    m_childRuleCSSOMWrappers.insert(index, RefPtrWillBeMember<CSSRule>(nullptr));
+    m_childRuleCSSOMWrappers.insert(index, Member<CSSRule>(nullptr));
     return index;
 }
 
@@ -132,7 +132,7 @@ CSSRule* CSSGroupingRule::item(unsigned index) const
     if (index >= length())
         return nullptr;
     ASSERT(m_childRuleCSSOMWrappers.size() == m_groupRule->childRules().size());
-    RefPtrWillBeMember<CSSRule>& rule = m_childRuleCSSOMWrappers[index];
+    Member<CSSRule>& rule = m_childRuleCSSOMWrappers[index];
     if (!rule)
         rule = m_groupRule->childRules()[index]->createCSSOMWrapper(const_cast<CSSGroupingRule*>(this));
     return rule.get();