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

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

Index: third_party/WebKit/Source/core/css/resolver/CSSVariableResolver.cpp
diff --git a/third_party/WebKit/Source/core/css/resolver/CSSVariableResolver.cpp b/third_party/WebKit/Source/core/css/resolver/CSSVariableResolver.cpp
index 6ccb2d97cb182cf8f6976a43dfdde6033ce2f54a..3650b57b377e997aa538312a30b3365e9ab23860 100644
--- a/third_party/WebKit/Source/core/css/resolver/CSSVariableResolver.cpp
+++ b/third_party/WebKit/Source/core/css/resolver/CSSVariableResolver.cpp
@@ -98,7 +98,7 @@ PassRefPtr<CSSVariableData> CSSVariableResolver::resolveCustomProperty(
   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
@@ -106,7 +106,7 @@ PassRefPtr<CSSVariableData> CSSVariableResolver::resolveCustomProperty(
   ASSERT(variableData.refCount() > 1);
 
   if (!success || !m_cycleStartPoints.isEmpty()) {
-    m_cycleStartPoints.remove(name);
+    m_cycleStartPoints.erase(name);
     return nullptr;
   }
   return CSSVariableData::createResolved(tokens, variableData,