Service Worker: Use more specific errors when StartWorker fails

content/browser/service_worker/service_worker_process_manager.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_process_manager.h"
 
 #include "content/browser/renderer_host/render_process_host_impl.h"
 #include "content/browser/service_worker/service_worker_context_wrapper.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/site_instance.h"
@@ skipping 162 matching lines @@
         std::make_pair(embedded_worker_id, ProcessInfo(*it)));
     BrowserThread::PostTask(BrowserThread::IO,
                             FROM_HERE,
                             base::Bind(callback, SERVICE_WORKER_OK, *it));
     return;
   }
 
   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.
   scoped_refptr<SiteInstance> site_instance =
       SiteInstance::CreateForURL(browser_context_, script_url);
   RenderProcessHost* rph = site_instance->GetProcess();
   // This Init() call posts a task to the IO thread that adds the RPH's
   // ServiceWorkerDispatcherHost to the
   // EmbeddedWorkerRegistry::process_sender_map_.
   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;
   }
 
   instance_info_.insert(
       std::make_pair(embedded_worker_id, ProcessInfo(site_instance)));
 
   static_cast<RenderProcessHostImpl*>(rph)->IncrementWorkerRefCount();
   BrowserThread::PostTask(
       BrowserThread::IO,
       FROM_HERE,
@@ skipping 60 matching lines @@
 namespace base {
 // Destroying ServiceWorkerProcessManagers only on the UI thread allows the
 // member WeakPtr to safely guard the object's lifetime when used on that
 // thread.
 void DefaultDeleter<content::ServiceWorkerProcessManager>::operator()(
     content::ServiceWorkerProcessManager* ptr) const {
   content::BrowserThread::DeleteSoon(
       content::BrowserThread::UI, FROM_HERE, ptr);
 }
 }  // namespace base