Migrate WTF::HashSet::add() to ::insert() [part 1 of N]

third_party/WebKit/Source/core/css/resolver/CSSVariableResolver.cpp

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/css/resolver/CSSVariableResolver.h"
 
 #include "core/CSSPropertyNames.h"
 #include "core/CSSValueKeywords.h"
 #include "core/StyleBuilderFunctions.h"
 #include "core/StylePropertyShorthand.h"
@@ skipping 22 matching lines @@
     return false;
   ASSERT(range.peek().type() == CommaToken);
   range.consume();
   return resolveTokenRange(range, disallowAnimationTainted, result,
                            resultIsAnimationTainted);
 }
 
 CSSVariableData* CSSVariableResolver::valueForCustomProperty(
     AtomicString name) {
   if (m_variablesSeen.contains(name)) {
-    m_cycleStartPoints.add(name);
+    m_cycleStartPoints.insert(name);
     return nullptr;
   }
 
   DCHECK(m_registry || !RuntimeEnabledFeatures::cssVariables2Enabled());
   const PropertyRegistry::Registration* registration =
       m_registry ? m_registry->registration(name) : nullptr;
 
   CSSVariableData* variableData = nullptr;
   if (!registration || registration->inherits()) {
     if (m_inheritedVariables)
@@ skipping 33 matching lines @@
 }
 
 PassRefPtr<CSSVariableData> CSSVariableResolver::resolveCustomProperty(
     AtomicString name,
     const CSSVariableData& variableData) {
   ASSERT(variableData.needsVariableResolution());
 
   bool disallowAnimationTainted = false;
   bool isAnimationTainted = variableData.isAnimationTainted();
   Vector<CSSParserToken> tokens;
-  m_variablesSeen.add(name);
+  m_variablesSeen.insert(name);
   bool success =
       resolveTokenRange(variableData.tokens(), disallowAnimationTainted, tokens,
                         isAnimationTainted);
   m_variablesSeen.remove(name);
 
   // The old variable data holds onto the backing string the new resolved
   // CSSVariableData relies on. Ensure it will live beyond us overwriting the
   // RefPtr in StyleInheritedVariables.
   ASSERT(variableData.refCount() > 1);
 
@@ skipping 223 matching lines @@
 CSSVariableResolver::CSSVariableResolver(const StyleResolverState& state)
     : m_inheritedVariables(state.style()->inheritedVariables()),
       m_nonInheritedVariables(state.style()->nonInheritedVariables()),
       m_registry(state.document().propertyRegistry()) {}
 
 DEFINE_TRACE(CSSVariableResolver) {
   visitor->trace(m_registry);
 }
 
 }  // namespace blink