[oilpan] Move IDBDatabase, IDBDatabaseCallbacks, IDBDatabaseBackendInterface and other related clas…

Source/modules/indexeddb/IDBDatabaseBackendInterface.h

Index: Source/modules/indexeddb/IDBDatabaseBackendInterface.h
diff --git a/Source/modules/indexeddb/IDBDatabaseBackendInterface.h b/Source/modules/indexeddb/IDBDatabaseBackendInterface.h
index 8d53fb5d2bdf073c7a48ad74377c9fbf99b0c010..03d8267fb503dd41dffdb25fdea29268473966c1 100644
--- a/Source/modules/indexeddb/IDBDatabaseBackendInterface.h
+++ b/Source/modules/indexeddb/IDBDatabaseBackendInterface.h
@@ -26,6 +26,7 @@
 #ifndef IDBDatabaseBackendInterface_h
 #define IDBDatabaseBackendInterface_h
 
+#include "heap/Handle.h"
 #include "modules/indexeddb/IDBDatabaseError.h"
 #include "modules/indexeddb/IndexedDB.h"
 #include "wtf/PassRefPtr.h"
@@ -47,14 +48,15 @@ typedef int ExceptionCode;
 // This is implemented by IDBDatabaseBackendImpl and optionally others (in order to proxy
 // calls across process barriers). All calls to these classes should be non-blocking and
 // trigger work on a background thread if necessary.
-class IDBDatabaseBackendInterface : public RefCounted<IDBDatabaseBackendInterface> {
+class IDBDatabaseBackendInterface : public HeapAllocatedFinalized<IDBDatabaseBackendInterface> {
+    DECLARE_GC_MAP
 public:
     virtual ~IDBDatabaseBackendInterface() { }
 
     virtual void createObjectStore(int64_t transactionId, int64_t objectStoreId, const String& name, const IDBKeyPath&, bool autoIncrement) = 0;
     virtual void deleteObjectStore(int64_t transactionId, int64_t objectStoreId) = 0;
-    virtual void createTransaction(int64_t transactionId, PassRefPtr<IDBDatabaseCallbacks>, const Vector<int64_t>& objectStoreIds, unsigned short mode) = 0;
-    virtual void close(PassRefPtr<IDBDatabaseCallbacks>) = 0;
+    virtual void createTransaction(int64_t transactionId, IDBDatabaseCallbacks*, const Vector<int64_t>& objectStoreIds, unsigned short mode) = 0;
+    virtual void close(IDBDatabaseCallbacks*) = 0;
 
     // Transaction-specific operations.
     virtual void commit(int64_t transactionId) = 0;
@@ -88,6 +90,8 @@ public:
     virtual void count(int64_t transactionId, int64_t objectStoreId, int64_t indexId, PassRefPtr<IDBKeyRange>, PassRefPtr<IDBCallbacks>) = 0;
     virtual void deleteRange(int64_t transactionId, int64_t objectStoreId, PassRefPtr<IDBKeyRange>, PassRefPtr<IDBCallbacks>) = 0;
     virtual void clear(int64_t transactionId, int64_t objectStoreId, PassRefPtr<IDBCallbacks>) = 0;
+
+    virtual void trace(Visitor*) const = 0;
 };
 
 } // namespace WebCore