IndexedDB: Simplify WebIDBCallbacks exports, strip IDBFactoryBackend

Source/modules/indexeddb/IDBFactoryBackendInterface.h

 /*
  * Copyright (C) 2010 Google 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 14 matching lines @@
  * (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 IDBFactoryBackendInterface_h
 #define IDBFactoryBackendInterface_h
 
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefCounted.h"
 #include "wtf/text/WTFString.h"
 
-namespace blink { class WebIDBDatabaseCallbacks; }
-
 namespace WebCore {
 
-class IDBRequest;
-class IDBDatabase;
-class IDBDatabaseCallbacks;
 class ExecutionContext;
 
-// This class is shared by IDBFactory (async) and IDBFactorySync (sync).
-// This is implemented by IDBFactoryBackendImpl 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.
+// FIXME: This is just a permission client at this point. Rename/refactor.
 class IDBFactoryBackendInterface : public RefCounted<IDBFactoryBackendInterface> {
 public:
     static PassRefPtr<IDBFactoryBackendInterface> create();
     virtual ~IDBFactoryBackendInterface() { }
 
-    virtual void getDatabaseNames(PassRefPtr<IDBRequest>, const String& databaseIdentifier, ExecutionContext*) = 0;
-    virtual void open(const String& name, int64_t version, int64_t transactionId, PassRefPtr<IDBRequest>, PassOwnPtr<blink::WebIDBDatabaseCallbacks>, const String& databaseIdentifier, ExecutionContext*) = 0;
-    virtual void deleteDatabase(const String& name, PassRefPtr<IDBRequest>, const String& databaseIdentifier, ExecutionContext*) = 0;
+    virtual bool allowIndexedDB(WebCore::ExecutionContext*, const String& name) = 0;
 };
 
 } // namespace WebCore
 
 #endif // IDBFactoryBackendInterface_h