Implement IDBDatabase::createObjectStore. Also refactor IndexedDBCallbacks.

chrome/browser/in_process_webkit/indexed_db_callbacks.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_BROWSER_IN_PROCESS_WEBKIT_INDEXED_DB_CALLBACKS_H_
 #define CHROME_BROWSER_IN_PROCESS_WEBKIT_INDEXED_DB_CALLBACKS_H_
 
 #include "base/basictypes.h"
+#include "base/logging.h"
 #include "base/ref_counted.h"
+#include "chrome/browser/in_process_webkit/indexed_db_dispatcher_host.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebIDBCallbacks.h"
+#include "third_party/WebKit/WebKit/chromium/public/WebIDBDatabaseError.h"
 
-class IndexedDBDispatcherHost;
 
+template <class WebObjectType, typename SuccessMsgType, typename ErrorMsgType>
 class IndexedDBCallbacks : public WebKit::WebIDBCallbacks {
  public:
-  IndexedDBCallbacks(IndexedDBDispatcherHost* parent, int32 response_id);
-  virtual ~IndexedDBCallbacks();
+  IndexedDBCallbacks(
+      IndexedDBDispatcherHost* dispatcher_host, int32 response_id)
+      : dispatcher_host_(dispatcher_host), response_id_(response_id) { }
 
-  // We define default versions of these functions which simply DCHECK.
-  // For each WebIDBCallbacks implementation, there should only be one success
-  // callback that can possibly be called.
-  virtual void onSuccess(WebKit::WebIDBDatabase* idb_database);
-  virtual void onSuccess(const WebKit::WebSerializedScriptValue& value);
+  virtual void onError(const WebKit::WebIDBDatabaseError& error) {
+    dispatcher_host_->Send(new ErrorMsgType(
+        response_id_, error.code(), error.message()));
+  }
 
- protected:
-  IndexedDBDispatcherHost* parent() { return parent_.get(); }
-  int32 response_id() const { return response_id_; }
+  virtual void onSuccess(WebObjectType* idb_object) {
+    int32 object_id = dispatcher_host_->Add(idb_object);
+    dispatcher_host_->Send(new SuccessMsgType(response_id_, object_id));
+  }
 
  private:
-  scoped_refptr<IndexedDBDispatcherHost> parent_;
+  scoped_refptr<IndexedDBDispatcherHost> dispatcher_host_;
   int32 response_id_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(IndexedDBCallbacks);
 };
 
 #endif  // CHROME_BROWSER_IN_PROCESS_WEBKIT_INDEXED_DB_CALLBACKS_H_