IndexedDB: Cursor pre-fetching.

content/browser/in_process_webkit/indexed_db_callbacks.h

 // Copyright (c) 2011 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_IN_PROCESS_WEBKIT_INDEXED_DB_CALLBACKS_H_
 #define CONTENT_BROWSER_IN_PROCESS_WEBKIT_INDEXED_DB_CALLBACKS_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
@@ skipping 75 matching lines @@
  public:
   IndexedDBCallbacks(
       IndexedDBDispatcherHost* dispatcher_host, int32 response_id,
       int32 cursor_id)
       : IndexedDBCallbacksBase(dispatcher_host, response_id),
         cursor_id_(cursor_id) { }
 
   virtual void onSuccess(WebKit::WebIDBCursor* idb_object);
   virtual void onSuccess(const WebKit::WebSerializedScriptValue& value);
   virtual void onSuccessWithContinuation();
+  virtual void onSuccessWithPrefetch(
+      const WebKit::WebVector<WebKit::WebIDBKey>& keys,
+      const WebKit::WebVector<WebKit::WebIDBKey>& primaryKeys,
+      const WebKit::WebVector<WebKit::WebSerializedScriptValue>& values);
 
  private:
   // The id of the cursor this callback concerns, or -1 if the cursor
   // does not exist yet.
   int32 cursor_id_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(IndexedDBCallbacks);
 };
 
 // WebIDBKey is implemented in WebKit as opposed to being an interface Chromium
@@ skipping 41 matching lines @@
       IndexedDBDispatcherHost* dispatcher_host, int32 response_id)
       : IndexedDBCallbacksBase(dispatcher_host, response_id) { }
 
   virtual void onSuccess(const WebKit::WebSerializedScriptValue& value);
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(IndexedDBCallbacks);
 };
 
 #endif  // CONTENT_BROWSER_IN_PROCESS_WEBKIT_INDEXED_DB_CALLBACKS_H_