Remove WindowFocusAllowedIndicator and associated code.

Source/modules/serviceworkers/ServiceWorkerWindowClient.cpp

 // Copyright 2014 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 "config.h"
 #include "modules/serviceworkers/ServiceWorkerWindowClient.h"
 
 #include "bindings/core/v8/CallbackPromiseAdapter.h"
 #include "bindings/core/v8/ScriptPromiseResolver.h"
 #include "core/dom/ExceptionCode.h"
 #include "core/page/PageVisibilityState.h"
-#include "core/page/WindowFocusAllowedIndicator.h"
 #include "modules/serviceworkers/ServiceWorkerError.h"
 #include "modules/serviceworkers/ServiceWorkerGlobalScopeClient.h"
 #include "public/platform/WebString.h"
 #include "wtf/RefPtr.h"
 
 namespace blink {
 
 ServiceWorkerWindowClient* ServiceWorkerWindowClient::take(ScriptPromiseResolver*, ServiceWorkerWindowClient::WebType* webClientRaw)
 {
     return ServiceWorkerWindowClient::create(*webClientRaw);
@@ skipping 39 matching lines @@
     ServiceWorkerGlobalScopeClient::from(scriptState->executionContext())->focus(uuid(), new CallbackPromiseAdapter<ServiceWorkerWindowClient, ServiceWorkerError>(resolver));
     return promise;
 }
 
 DEFINE_TRACE(ServiceWorkerWindowClient)
 {
     ServiceWorkerClient::trace(visitor);
 }
 
 } // namespace blink