Migrate WTF::HashSet::remove() to ::erase() [part 1]

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 80 matching lines @@
     const CSSVariableData& variableData) {
   ASSERT(variableData.needsVariableResolution());
 
   bool disallowAnimationTainted = false;
   bool isAnimationTainted = variableData.isAnimationTainted();
   Vector<CSSParserToken> tokens;
   m_variablesSeen.insert(name);
   bool success =
       resolveTokenRange(variableData.tokens(), disallowAnimationTainted, tokens,
                         isAnimationTainted);
-  m_variablesSeen.remove(name);
+  m_variablesSeen.erase(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);
 
   if (!success || !m_cycleStartPoints.isEmpty()) {
-    m_cycleStartPoints.remove(name);
+    m_cycleStartPoints.erase(name);
     return nullptr;
   }
   return CSSVariableData::createResolved(tokens, variableData,
                                          isAnimationTainted);
 }
 
 bool CSSVariableResolver::resolveVariableReference(
     CSSParserTokenRange range,
     bool disallowAnimationTainted,
     Vector<CSSParserToken>& result,
@@ skipping 207 matching lines @@
     }
   }
 }
 
 CSSVariableResolver::CSSVariableResolver(const StyleResolverState& state)
     : m_inheritedVariables(state.style()->inheritedVariables()),
       m_nonInheritedVariables(state.style()->nonInheritedVariables()),
       m_registry(state.document().propertyRegistry()) {}
 
 }  // namespace blink