[IndexedDB] Add transaction coordinator.

chrome/renderer/indexed_db_dispatcher.h

 // Copyright (c) 2010 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 CHROME_RENDERER_INDEXED_DB_DISPATCHER_H_
 #define CHROME_RENDERER_INDEXED_DB_DISPATCHER_H_
 #pragma once
 
 #include "base/id_map.h"
 #include "base/nullable_string16.h"
 #include "ipc/ipc_message.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebIDBCallbacks.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebIDBDatabase.h"
+#include "third_party/WebKit/WebKit/chromium/public/WebIDBTransactionCallbacks.h"
 
 class IndexedDBKey;
 class SerializedScriptValue;
 
 namespace WebKit {
 class WebFrame;
 }
 
 // Handle the indexed db related communication for this entire renderer.
 class IndexedDBDispatcher {
@@ skipping 33 matching lines @@
       int32 idb_object_store_id);
 
   void RequestIDBObjectStoreCreateIndex(
       const string16& name, const NullableString16& key_path, bool unique,
       WebKit::WebIDBCallbacks* callbacks, int32 idb_object_store_id);
 
   void RequestIDBObjectStoreRemoveIndex(
       const string16& name, WebKit::WebIDBCallbacks* callbacks,
       int32 idb_object_store_id);
 
+  void RequestIDBTransactionSetCallbacks(
+      WebKit::WebIDBTransactionCallbacks* callbacks);
+
  private:
   // IDBCallback message handlers.
   void OnSuccessNull(int32 response_id);
   void OnSuccessIDBDatabase(int32 response_id, int32 object_id);
   void OnSuccessIndexedDBKey(int32 response_id, const IndexedDBKey& key);
   void OnSuccessIDBObjectStore(int32 response_id, int32 object_id);
   void OnSuccessIDBIndex(int32 response_id, int32 object_id);
   void OnSuccessSerializedScriptValue(int32 response_id,
                                       const SerializedScriptValue& value);
   void OnError(int32 response_id, int code, const string16& message);
+  void OnAbort(int transaction_id);
 
   // Careful! WebIDBCallbacks wraps non-threadsafe data types. It must be
   // destroyed and used on the same thread it was created on.
   IDMap<WebKit::WebIDBCallbacks, IDMapOwnPointer> pending_callbacks_;
+  IDMap<WebKit::WebIDBTransactionCallbacks, IDMapOwnPointer>
+      pending_transaction_callbacks_;
 
   DISALLOW_COPY_AND_ASSIGN(IndexedDBDispatcher);
 };
 
 #endif  // CHROME_RENDERER_INDEXED_DB_DISPATCHER_H_