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

Source/modules/indexeddb/IDBTransaction.cpp

Index: Source/modules/indexeddb/IDBTransaction.cpp
diff --git a/Source/modules/indexeddb/IDBTransaction.cpp b/Source/modules/indexeddb/IDBTransaction.cpp
index c00ffb2143d6018eb33fda5e0a1cc516ea2e6a59..4e763674d13cc2430fe2aac385b566a9bcc8b9d7 100644
--- a/Source/modules/indexeddb/IDBTransaction.cpp
+++ b/Source/modules/indexeddb/IDBTransaction.cpp
@@ -220,7 +220,7 @@ void IDBTransaction::abort(ExceptionCode& ec)
 
     if (!m_contextStopped) {
         while (!m_requestList.isEmpty()) {
-            RefPtr<IDBRequest> request = *m_requestList.begin();
+            IDBRequest* request = *m_requestList.begin();
             m_requestList.remove(request);
             request->abort();
         }
@@ -297,7 +297,7 @@ void IDBTransaction::onAbort(PassRefPtr<IDBDatabaseError> prpError)
         // Abort was not triggered by front-end, so outstanding requests must
         // be aborted now.
         while (!m_requestList.isEmpty()) {
-            RefPtr<IDBRequest> request = *m_requestList.begin();
+            IDBRequest* request = *m_requestList.begin();
             m_requestList.remove(request);
             request->abort();
         }
@@ -458,4 +458,10 @@ IDBDatabaseBackendInterface* IDBTransaction::backendDB() const
     return db()->backend();
 }
 
+void IDBTransaction::trace(Visitor* visitor)
+{
+    visitor->trace(m_database);
+    visitor->trace(m_requestList);
+}
+
 } // namespace WebCore