IndexedDB: Simplify WebIDBCallbacks exports, strip IDBFactoryBackend

Source/modules/indexeddb/IDBFactoryBackendInterface.h

Index: Source/modules/indexeddb/IDBFactoryBackendInterface.h
diff --git a/Source/modules/indexeddb/IDBFactoryBackendInterface.h b/Source/modules/indexeddb/IDBFactoryBackendInterface.h
index e07e92c81b8f789b96298ba8de36a43c0197c34d..e469082db225487c046e1dfa727906261f9cf8e1 100644
--- a/Source/modules/indexeddb/IDBFactoryBackendInterface.h
+++ b/Source/modules/indexeddb/IDBFactoryBackendInterface.h
@@ -32,27 +32,17 @@
 #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