Replacing Indexed DB Chromium IPC with Mojo

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

 // Copyright 2016 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.
 
 #include "modules/indexeddb/IDBObserver.h"
 
 #include "bindings/core/v8/ExceptionState.h"
 #include "bindings/modules/v8/ToV8ForModules.h"
 #include "bindings/modules/v8/V8BindingForModules.h"
 #include "core/dom/ExceptionCode.h"
 #include "modules/IndexedDBNames.h"
 #include "modules/indexeddb/IDBDatabase.h"
+#include "modules/indexeddb/IDBDatabaseProxy.h"
 #include "modules/indexeddb/IDBObserverCallback.h"
 #include "modules/indexeddb/IDBObserverChanges.h"
 #include "modules/indexeddb/IDBObserverInit.h"
 #include "modules/indexeddb/IDBTransaction.h"
 #include "modules/indexeddb/WebIDBObserverImpl.h"
 
 namespace blink {
 
 IDBObserver* IDBObserver::create(IDBObserverCallback& callback, const IDBObserverInit& options)
 {
@@ skipping 23 matching lines @@
     }
     if (!transaction->isActive()) {
         exceptionState.throwDOMException(TransactionInactiveError, IDBDatabase::transactionInactiveErrorMessage);
         return;
     }
     if (!database->backend()) {
         exceptionState.throwDOMException(InvalidStateError, IDBDatabase::databaseClosedErrorMessage);
         return;
     }
 
+// TODO(cmumford): Implement observers. This is still under construction.
+#if 0
     std::unique_ptr<WebIDBObserverImpl> observer = WebIDBObserverImpl::create(this);
     WebIDBObserverImpl* observerPtr = observer.get();
     int32_t observerId = database->backend()->addObserver(std::move(observer), transaction->id());
     m_observerIds.add(observerId, database);
     observerPtr->setId(observerId);
+#endif
 }
 
 void IDBObserver::unobserve(IDBDatabase* database, ExceptionState& exceptionState)
 {
+#if 0
     if (!database->backend()) {
         exceptionState.throwDOMException(InvalidStateError, IDBDatabase::databaseClosedErrorMessage);
         return;
     }
 
     Vector<int32_t> observerIdsToRemove;
     for (const auto& it : m_observerIds) {
         if (it.value == database)
             observerIdsToRemove.append(it.key);
     }
     m_observerIds.removeAll(observerIdsToRemove);
 
     if (!observerIdsToRemove.isEmpty())
         database->backend()->removeObservers(observerIdsToRemove);
+#endif
 }
 
 void IDBObserver::removeObserver(int32_t id)
 {
     m_observerIds.remove(id);
 }
 
 void IDBObserver::onChange(int32_t id, const WebVector<WebIDBObservation>& observations, const WebVector<int32_t>& observationIndex)
 {
     auto it = m_observerIds.find(id);
     DCHECK(it != m_observerIds.end());
     m_callback->handleChanges(*IDBObserverChanges::create(it->value, observations, observationIndex), *this);
 }
 
 DEFINE_TRACE(IDBObserver)
 {
     visitor->trace(m_callback);
     visitor->trace(m_observerIds);
 }
 
 } // namespace blink