Use tri-state enum for the existence of Fetch Handler in ServiceWorkerVersion.

content/browser/service_worker/service_worker_url_request_job_unittest.cc

 // 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 "content/browser/service_worker/service_worker_url_request_job.h"
 
 #include <stdint.h>
 
 #include <memory>
 #include <utility>
@@ skipping 139 matching lines @@
 
     registration_ = new ServiceWorkerRegistration(
         GURL("https://example.com/"), 1L, helper_->context()->AsWeakPtr());
     version_ = new ServiceWorkerVersion(
         registration_.get(), GURL("https://example.com/service_worker.js"), 1L,
         helper_->context()->AsWeakPtr());
     std::vector<ServiceWorkerDatabase::ResourceRecord> records;
     records.push_back(
         ServiceWorkerDatabase::ResourceRecord(10, version_->script_url(), 100));
     version_->script_cache_map()->SetResources(records);
+    version_->set_fetch_handler_existence(
+        ServiceWorkerVersion::FetchHandlerExistence::EXISTS);
 
     // Make the registration findable via storage functions.
     helper_->context()->storage()->LazyInitialize(base::Bind(&base::DoNothing));
     base::RunLoop().RunUntilIdle();
     ServiceWorkerStatusCode status = SERVICE_WORKER_ERROR_FAILED;
     helper_->context()->storage()->StoreRegistration(
         registration_.get(),
         version_.get(),
         CreateReceiverOnCurrentThread(&status));
     base::RunLoop().RunUntilIdle();
@@ skipping 900 matching lines @@
   base::RunLoop().RunUntilIdle();
 
   // The fetch event request should no longer be in-flight.
   EXPECT_FALSE(version_->HasWork());
 }
 
 // TODO(kinuko): Add more tests with different response data and also for
 // FallbackToNetwork case.
 
 }  // namespace content