IndexedDB: Prepare to remove IDBCallbacks::onSuccess() used for null values.

chrome/browser/in_process_webkit/indexed_db_callbacks.h

Index: chrome/browser/in_process_webkit/indexed_db_callbacks.h
diff --git a/chrome/browser/in_process_webkit/indexed_db_callbacks.h b/chrome/browser/in_process_webkit/indexed_db_callbacks.h
index 23544eda323d6230e501589f2e10ce1572f0b5ee..e5c6b18299a85b2c6afcfbde5d66a1a4b5063a02 100644
--- a/chrome/browser/in_process_webkit/indexed_db_callbacks.h
+++ b/chrome/browser/in_process_webkit/indexed_db_callbacks.h
@@ -91,6 +91,13 @@ class IndexedDBCallbacks<WebKit::WebIDBCursor>
         new IndexedDBMsg_CallbacksSuccessIDBCursor(response_id(), object_id));
   }
 
+  virtual void onSuccess(const WebKit::WebSerializedScriptValue& value) {
+    dispatcher_host()->Send(
+        new IndexedDBMsg_CallbacksSuccessSerializedScriptValue(
+            response_id(), SerializedScriptValue(value)));
+  }
+
+  // TODO(hans): Remove when WebKit rolls.
   virtual void onSuccess() {
     dispatcher_host()->Send(new IndexedDBMsg_CallbacksSuccessNull(
         response_id()));
@@ -150,6 +157,13 @@ class IndexedDBCallbacks<void> : public IndexedDBCallbacksBase {
       IndexedDBDispatcherHost* dispatcher_host, int32 response_id)
       : IndexedDBCallbacksBase(dispatcher_host, response_id) { }
 
+  virtual void onSuccess(const WebKit::WebSerializedScriptValue& value) {
+    dispatcher_host()->Send(
+        new IndexedDBMsg_CallbacksSuccessSerializedScriptValue(
+            response_id(), SerializedScriptValue(value)));
+  }
+
+  // TODO(hans): Remove when WebKit rolls.
   virtual void onSuccess() {
     dispatcher_host()->Send(
         new IndexedDBMsg_CallbacksSuccessNull(response_id()));