Oilpan: Prepare to move DatabaseAuthorizer to Oilpan heap.

Source/modules/webdatabase/sqlite/SQLiteDatabase.cpp

Index: Source/modules/webdatabase/sqlite/SQLiteDatabase.cpp
diff --git a/Source/modules/webdatabase/sqlite/SQLiteDatabase.cpp b/Source/modules/webdatabase/sqlite/SQLiteDatabase.cpp
index 0c92221d0fbaa7457529319c909fe1de72a916b0..86b64733dfdfa833169e6b6a502919b1cd09b2e5 100644
--- a/Source/modules/webdatabase/sqlite/SQLiteDatabase.cpp
+++ b/Source/modules/webdatabase/sqlite/SQLiteDatabase.cpp
@@ -363,7 +363,7 @@ int SQLiteDatabase::authorizerFunction(void* userData, int actionCode, const cha
     }
 }
 
-void SQLiteDatabase::setAuthorizer(PassRefPtr<DatabaseAuthorizer> auth)
+void SQLiteDatabase::setAuthorizer(DatabaseAuthorizer* auth)
 {
     if (!m_db) {
         WTF_LOG_ERROR("Attempt to set an authorizer on a non-open SQL database");