Port messages sent by WebIDBFactoryImpl to Mojo.

third_party/WebKit/Source/modules/indexeddb/IDBDatabaseCallbacks.cpp

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
  *     notice, this list of conditions and the following disclaimer in the
  *     documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "modules/indexeddb/IDBDatabaseCallbacks.h"
 
 #include "modules/indexeddb/IDBDatabase.h"
+#include "modules/indexeddb/WebIDBDatabaseCallbacksImpl.h"
 
 namespace blink {
 
 IDBDatabaseCallbacks* IDBDatabaseCallbacks::create() {
   return new IDBDatabaseCallbacks();
 }
 
 IDBDatabaseCallbacks::IDBDatabaseCallbacks() : m_database(nullptr) {}
 
 IDBDatabaseCallbacks::~IDBDatabaseCallbacks() {}
 
 DEFINE_TRACE(IDBDatabaseCallbacks) {
   visitor->trace(m_database);
 }
 
 void IDBDatabaseCallbacks::onForcedClose() {
   if (m_database)
     m_database->forceClose();
 }
 
 void IDBDatabaseCallbacks::onVersionChange(int64_t oldVersion,
                                            int64_t newVersion) {
   if (m_database)
     m_database->onVersionChange(oldVersion, newVersion);
 }
 
-void IDBDatabaseCallbacks::connect(IDBDatabase* database) {
-  ASSERT(!m_database);
-  ASSERT(database);
-  m_database = database;
-}
-
 void IDBDatabaseCallbacks::onAbort(int64_t transactionId, DOMException* error) {
   if (m_database)
     m_database->onAbort(transactionId, error);
 }
 
 void IDBDatabaseCallbacks::onComplete(int64_t transactionId) {
   if (m_database)
     m_database->onComplete(transactionId);
 }
 
+void IDBDatabaseCallbacks::connect(IDBDatabase* database) {
+  DCHECK(!m_database);
+  DCHECK(database);
+  m_database = database;
+}
+
+std::unique_ptr<WebIDBDatabaseCallbacks>
+IDBDatabaseCallbacks::createWebCallbacks() {
+  DCHECK(!m_webCallbacks);
+  std::unique_ptr<WebIDBDatabaseCallbacks> callbacks =
+      WebIDBDatabaseCallbacksImpl::create(this);
+  m_webCallbacks = callbacks.get();
+  return callbacks;
+}
+
+void IDBDatabaseCallbacks::detachWebCallbacks() {
+  if (m_webCallbacks) {
+    m_webCallbacks->detach();
+    m_webCallbacks = nullptr;
+  }
+}
+
+void IDBDatabaseCallbacks::webCallbacksDestroyed() {
+  DCHECK(m_webCallbacks);
+  m_webCallbacks = nullptr;
+}
+
 }  // namespace blink