Oilpan: Prepare to move AbstractSQLTransactionBackend, SQLTransactionBackend, and SQLTransactionCoo…

Source/modules/webdatabase/SQLTransactionCoordinator.h

 /*
  * 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 14 matching lines @@
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef SQLTransactionCoordinator_h
 #define SQLTransactionCoordinator_h
 
+#include "heap/Handle.h"
 #include "wtf/Deque.h"
 #include "wtf/HashMap.h"
 #include "wtf/HashSet.h"
 #include "wtf/RefPtr.h"
 #include "wtf/text/StringHash.h"
 
 namespace WebCore {
 
 class SQLTransactionBackend;
 
 class SQLTransactionCoordinator {
     WTF_MAKE_NONCOPYABLE(SQLTransactionCoordinator); WTF_MAKE_FAST_ALLOCATED;
 public:
     SQLTransactionCoordinator();
     void acquireLock(SQLTransactionBackend*);
     void releaseLock(SQLTransactionBackend*);
     void shutdown();
 private:
-    typedef Deque<RefPtr<SQLTransactionBackend> > TransactionsQueue;
+    typedef Deque<RefPtrWillBeMember<SQLTransactionBackend> > TransactionsQueue;
     struct CoordinationInfo {
         TransactionsQueue pendingTransactions;
-        HashSet<RefPtr<SQLTransactionBackend> > activeReadTransactions;
-        RefPtr<SQLTransactionBackend> activeWriteTransaction;
+        WillBeHeapHashSet<RefPtrWillBeMember<SQLTransactionBackend> > activeReadTransactions;
+        RefPtrWillBeMember<SQLTransactionBackend> activeWriteTransaction;
+
+        void trace(Visitor* visitor)
+        {
+            visitor->trace(pendingTransactions);
+            visitor->trace(activeReadTransactions);
+            visitor->trace(activeWriteTransaction);
+        }
+        ALLOW_ONLY_INLINE_ALLOCATION();
     };
     // Maps database names to information about pending transactions
-    typedef HashMap<String, CoordinationInfo> CoordinationInfoMap;
-    CoordinationInfoMap m_coordinationInfoMap;
+    typedef WillBePersistentHeapHashMap<String, CoordinationInfo> CoordinationInfoHeapMap;
+    CoordinationInfoHeapMap m_coordinationInfoMap;
     bool m_isShuttingDown;
 
     void processPendingTransactions(CoordinationInfo&);
 };
 
 } // namespace WebCore
 
 #endif // SQLTransactionCoordinator_h