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

third_party/WebKit/Source/modules/webdatabase/SQLTransactionCoordinator.cpp

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  * Copyright (C) 2013 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 86 matching lines @@
 
   String dbIdentifier = getDatabaseIdentifier(transaction);
 
   CoordinationInfoHeapMap::iterator coordinationInfoIterator =
       m_coordinationInfoMap.find(dbIdentifier);
   SECURITY_DCHECK(coordinationInfoIterator != m_coordinationInfoMap.end());
   CoordinationInfo& info = coordinationInfoIterator->value;
 
   if (transaction->isReadOnly()) {
     ASSERT(info.activeReadTransactions.contains(transaction));
-    info.activeReadTransactions.remove(transaction);
+    info.activeReadTransactions.erase(transaction);
   } else {
     ASSERT(info.activeWriteTransaction == transaction);
     info.activeWriteTransaction = nullptr;
   }
 
   processPendingTransactions(info);
 }
 
 void SQLTransactionCoordinator::shutdown() {
   // Prevent releaseLock() from accessing / changing the coordinationInfo
@@ skipping 24 matching lines @@
       SQLTransactionBackend* transaction = info.pendingTransactions.takeFirst();
       transaction->notifyDatabaseThreadIsShuttingDown();
     }
   }
 
   // Clean up all pending transactions for all databases
   m_coordinationInfoMap.clear();
 }
 
 }  // namespace blink