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/indexeddb/IDBDatabase.h"
+#include "modules/indexeddb/IDBDatabaseProxy.h"
 #include "modules/indexeddb/IDBObserverCallback.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)
 {
     return new IDBObserver(callback, options);
@@ skipping 17 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.insert(observerId);
     observerPtr->setId(observerId);
+#endif
 }
 
 void IDBObserver::unobserve(IDBDatabase* database, ExceptionState& exceptionState)
 {
+#if 0
     if (!database->backend()) {
         exceptionState.throwDOMException(InvalidStateError, IDBDatabase::databaseClosedErrorMessage);
         return;
     }
     auto it = m_observerIds.begin();
     std::vector<int32_t> observerIdsToRemove;
     while (it != m_observerIds.end()) {
         if (database->backend()->containsObserverId(*it)) {
             observerIdsToRemove.push_back(*it);
             it = m_observerIds.erase(it);
         } else {
             it++;
         }
     }
     if (!observerIdsToRemove.empty())
         database->backend()->removeObservers(observerIdsToRemove);
+#endif
 }
 
 void IDBObserver::removeObserver(int32_t id)
 {
     m_observerIds.erase(id);
 }
 
 DEFINE_TRACE(IDBObserver)
 {
     visitor->trace(m_callback);
 }
 
 } // namespace blink