Service Worker: Use more specific errors when StartWorker fails

content/browser/service_worker/service_worker_process_manager.cc

Index: content/browser/service_worker/service_worker_process_manager.cc
diff --git a/content/browser/service_worker/service_worker_process_manager.cc b/content/browser/service_worker/service_worker_process_manager.cc
index 7fa03a5132afef8a8c6ccaf9f97f6f92d05acdb5..c953129c8a4f18d3c8d887b05432bd7e521e4824 100644
--- a/content/browser/service_worker/service_worker_process_manager.cc
+++ b/content/browser/service_worker/service_worker_process_manager.cc
@@ -180,9 +180,8 @@ void ServiceWorkerProcessManager::AllocateWorkerProcess(
   if (!browser_context_) {
     // Shutdown has started.
     BrowserThread::PostTask(
-        BrowserThread::IO,
-        FROM_HERE,
-        base::Bind(callback, SERVICE_WORKER_ERROR_START_WORKER_FAILED, -1));
+        BrowserThread::IO, FROM_HERE,
+        base::Bind(callback, SERVICE_WORKER_ERROR_ABORT, -1));
     return;
   }
   // No existing processes available; start a new one.
@@ -195,9 +194,8 @@ void ServiceWorkerProcessManager::AllocateWorkerProcess(
   if (!rph->Init()) {
     LOG(ERROR) << "Couldn't start a new process!";
     BrowserThread::PostTask(
-        BrowserThread::IO,
-        FROM_HERE,
-        base::Bind(callback, SERVICE_WORKER_ERROR_START_WORKER_FAILED, -1));
+        BrowserThread::IO, FROM_HERE,
+        base::Bind(callback, SERVICE_WORKER_ERROR_PROCESS_NOT_FOUND, -1));
     return;
   }