Refine error code returned by ServiceWorkerVersion::StartWorker (e.g. PROCESS_NOT_FOUND etc)

content/browser/service_worker/service_worker_version.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_version.h"
 
 #include "base/stl_util.h"
 #include "content/browser/service_worker/embedded_worker_instance.h"
 #include "content/browser/service_worker/embedded_worker_registry.h"
 #include "content/browser/service_worker/service_worker_context_core.h"
@@ skipping 112 matching lines @@
 
 void ServiceWorkerVersion::StartWorker(const StatusCallback& callback) {
   DCHECK(!is_shutdown_);
   DCHECK(registration_);
   DCHECK(!observer_);
   if (status() == RUNNING) {
     RunSoon(base::Bind(callback, SERVICE_WORKER_OK));
     return;
   }
   observer_.reset(new StartObserver(this, callback));
-  const bool started = embedded_worker_->Start(
+  ServiceWorkerStatusCode status = embedded_worker_->Start(
       version_id_,
       registration_->script_url());
-  if (!started) {
+  if (status != SERVICE_WORKER_OK) {
     observer_.reset();
-    RunSoon(base::Bind(callback, SERVICE_WORKER_ERROR_START_WORKER_FAILED));
+    RunSoon(base::Bind(callback, status));
   }
 }
 
 void ServiceWorkerVersion::StopWorker(const StatusCallback& callback) {
   DCHECK(!is_shutdown_);
   DCHECK(!observer_);
   if (status() == STOPPED) {
     RunSoon(base::Bind(callback, SERVICE_WORKER_OK));
     return;
   }
   observer_.reset(new StopObserver(this, callback));
-  const bool stopped = embedded_worker_->Stop();
-  if (!stopped) {
+  ServiceWorkerStatusCode status = embedded_worker_->Stop();
+  if (status != SERVICE_WORKER_OK) {
     observer_.reset();
-    RunSoon(base::Bind(callback, SERVICE_WORKER_ERROR_FAILED));
+    RunSoon(base::Bind(callback, status));
   }
 }
 
 bool ServiceWorkerVersion::DispatchFetchEvent(
     const ServiceWorkerFetchRequest& request) {
   if (status() != RUNNING)
     return false;
   return embedded_worker_->SendMessage(
-      ServiceWorkerMsg_FetchEvent(request));
+      ServiceWorkerMsg_FetchEvent(request)) == SERVICE_WORKER_OK;
 }
 
 void ServiceWorkerVersion::AddProcessToWorker(int process_id) {
   DCHECK(!is_shutdown_);
   embedded_worker_->AddProcessReference(process_id);
 }
 
 void ServiceWorkerVersion::RemoveProcessToWorker(int process_id) {
   embedded_worker_->ReleaseProcessReference(process_id);
 }
 
 }  // namespace content