[BackgroundSync Cleanup] Remove power observer

third_party/WebKit/Source/modules/background_sync/SyncManager.cpp

 // Copyright 2015 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/background_sync/SyncManager.h"
 
 #include "bindings/core/v8/CallbackPromiseAdapter.h"
 #include "bindings/core/v8/ScriptPromise.h"
 #include "bindings/core/v8/ScriptPromiseResolver.h"
 #include "bindings/core/v8/ScriptState.h"
@@ skipping 43 matching lines @@
     }
 
     ScriptPromiseResolver* resolver = ScriptPromiseResolver::create(scriptState);
     ScriptPromise promise = resolver->promise();
 
     WebSyncRegistration* webSyncRegistration = new WebSyncRegistration(
         WebSyncRegistration::UNREGISTERED_SYNC_ID /* id */,
         WebSyncRegistration::PeriodicityOneShot,
         tag,
         0 /* minPeriod */,
-        WebSyncRegistration::NetworkStateOnline /* networkState */,
-        WebSyncRegistration::PowerStateAuto /* powerState */
+        WebSyncRegistration::NetworkStateOnline /* networkState */
     );
     backgroundSyncProvider()->registerBackgroundSync(webSyncRegistration, m_registration->webRegistration(), context->isServiceWorkerGlobalScope(), new SyncRegistrationCallbacks(resolver, m_registration));
 
     return promise;
 }
 
 ScriptPromise SyncManager::getTags(ScriptState* scriptState)
 {
     ScriptPromiseResolver* resolver = ScriptPromiseResolver::create(scriptState);
     ScriptPromise promise = resolver->promise();
 
     backgroundSyncProvider()->getRegistrations(WebSyncRegistration::PeriodicityOneShot, m_registration->webRegistration(), new SyncGetRegistrationsCallbacks(resolver, m_registration));
 
     return promise;
 }
 
 DEFINE_TRACE(SyncManager)
 {
     visitor->trace(m_registration);
 }
 
 } // namespace blink