Stop passing const-reference of SWRegistration in all GetRegistrationsCallbacks.

content/browser/service_worker/service_worker_register_job.cc

 // Copyright 2013 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_register_job.h"
 
 #include <stdint.h>
 
 #include "base/location.h"
 #include "base/single_thread_task_runner.h"
@@ skipping 134 matching lines @@
   doom_installing_worker_ = true;
   if (phase_ == INSTALL)
     Complete(SERVICE_WORKER_ERROR_INSTALL_WORKER_FAILED, std::string());
 }
 
 ServiceWorkerRegisterJob::Internal::Internal() {}
 
 ServiceWorkerRegisterJob::Internal::~Internal() {}
 
 void ServiceWorkerRegisterJob::set_registration(
-    const scoped_refptr<ServiceWorkerRegistration>& registration) {
+    scoped_refptr<ServiceWorkerRegistration> registration) {
   DCHECK(phase_ == START || phase_ == REGISTER) << phase_;
   DCHECK(!internal_.registration.get());
-  internal_.registration = registration;
+  internal_.registration = std::move(registration);
 }
 
 ServiceWorkerRegistration* ServiceWorkerRegisterJob::registration() {
   DCHECK(phase_ >= REGISTER || job_type_ == UPDATE_JOB) << phase_;
   return internal_.registration.get();
 }
 
 void ServiceWorkerRegisterJob::set_new_version(
     ServiceWorkerVersion* version) {
   DCHECK(phase_ == UPDATE) << phase_;
@@ skipping 33 matching lines @@
       break;
   }
   phase_ = phase;
 }
 
 // This function corresponds to the steps in [[Register]] following
 // "Let registration be the result of running the [[GetRegistration]] algorithm.
 // Throughout this file, comments in quotes are excerpts from the spec.
 void ServiceWorkerRegisterJob::ContinueWithRegistration(
     ServiceWorkerStatusCode status,
-    const scoped_refptr<ServiceWorkerRegistration>& existing_registration) {
+    scoped_refptr<ServiceWorkerRegistration> existing_registration) {
   DCHECK_EQ(REGISTRATION_JOB, job_type_);
   if (status != SERVICE_WORKER_ERROR_NOT_FOUND && status != SERVICE_WORKER_OK) {
     Complete(status);
     return;
   }
 
   if (!existing_registration.get() || existing_registration->is_uninstalled()) {
     RegisterAndContinue();
     return;
   }
@@ skipping 18 matching lines @@
   }
 
   // "Return the result of running the [[Update]] algorithm, or its equivalent,
   // passing registration as the argument."
   set_registration(existing_registration);
   UpdateAndContinue();
 }
 
 void ServiceWorkerRegisterJob::ContinueWithUpdate(
     ServiceWorkerStatusCode status,
-    const scoped_refptr<ServiceWorkerRegistration>& existing_registration) {
+    scoped_refptr<ServiceWorkerRegistration> existing_registration) {
   DCHECK_EQ(UPDATE_JOB, job_type_);
   if (status != SERVICE_WORKER_OK) {
     Complete(status);
     return;
   }
 
   if (existing_registration.get() != registration()) {
     Complete(SERVICE_WORKER_ERROR_NOT_FOUND);
     return;
   }
@@ skipping 25 matching lines @@
     return;
   }
 
   set_registration(
       new ServiceWorkerRegistration(pattern_, registration_id, context_));
   AddRegistrationToMatchingProviderHosts(registration());
   UpdateAndContinue();
 }
 
 void ServiceWorkerRegisterJob::ContinueWithUninstallingRegistration(
-    const scoped_refptr<ServiceWorkerRegistration>& existing_registration,
+    scoped_refptr<ServiceWorkerRegistration> existing_registration,
     ServiceWorkerStatusCode status) {
   if (status != SERVICE_WORKER_OK) {
     Complete(status);
     return;
   }
   should_uninstall_on_failure_ = true;
   set_registration(existing_registration);
   UpdateAndContinue();
 }
 
 void ServiceWorkerRegisterJob::ContinueWithRegistrationForSameScriptUrl(
-    const scoped_refptr<ServiceWorkerRegistration>& existing_registration,
+    scoped_refptr<ServiceWorkerRegistration> existing_registration,
     ServiceWorkerStatusCode status) {
   if (status != SERVICE_WORKER_OK) {
     Complete(status);
     return;
   }
   set_registration(existing_registration);
 
   // "If newestWorker is not null, and scriptURL is equal to
   // newestWorker.scriptURL, then:
   // Return a promise resolved with registration."
@@ skipping 319 matching lines @@
       new_version()->force_bypass_cache_for_scripts() ||
       registration()->last_update_check().is_null()) {
     registration()->set_last_update_check(base::Time::Now());
 
     if (registration()->has_installed_version())
       context_->storage()->UpdateLastUpdateCheckTime(registration());
   }
 }
 
 }  // namespace content