IDBObserver: Lifetime Management: Adding Observer

content/browser/indexed_db/indexed_db_dispatcher_host.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_DISPATCHER_HOST_H_
 #define CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_DISPATCHER_HOST_H_
 
 #include <stdint.h>
 
 #include <map>
@@ skipping 156 matching lines @@
         const IndexedDBHostMsg_DatabaseCreateObjectStore_Params& params);
     void OnDeleteObjectStore(int32_t ipc_database_id,
                              int64_t transaction_id,
                              int64_t object_store_id);
     void OnCreateTransaction(
         const IndexedDBHostMsg_DatabaseCreateTransaction_Params&);
     void OnClose(int32_t ipc_database_id);
     void OnVersionChangeIgnored(int32_t ipc_database_id);
     void OnDestroyed(int32_t ipc_database_id);
 
+    void OnObserve(int32_t ipc_database_id,
+                   int64_t transaction_id,
+                   int32_t observer_id);
+    void OnUnobserve(int32_t ipc_database_id,
+                     const std::vector<int32_t>& observer_ids_to_remove);
+
     void OnGet(const IndexedDBHostMsg_DatabaseGet_Params& params);
     void OnGetAll(const IndexedDBHostMsg_DatabaseGetAll_Params& params);
     // OnPutWrapper starts on the IO thread so that it can grab BlobDataHandles
     // before posting to the IDB TaskRunner for the rest of the job.
     void OnPutWrapper(const IndexedDBHostMsg_DatabasePut_Params& params);
     void OnPut(const IndexedDBHostMsg_DatabasePut_Params& params,
                std::vector<storage::BlobDataHandle*> handles);
     void OnSetIndexKeys(
         const IndexedDBHostMsg_DatabaseSetIndexKeys_Params& params);
     void OnSetIndexesReady(int32_t ipc_database_id,
@@ skipping 115 matching lines @@
 
   // Used to set file permissions for blob storage.
   int ipc_process_id_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(IndexedDBDispatcherHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_DISPATCHER_HOST_H_