WIP attempt to replace StartWorker/StopWorker IPCs with a new mojo EmbeddedWorker service.

content/browser/service_worker/embedded_worker_registry.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/embedded_worker_registry.h"
 
 #include "base/bind_helpers.h"
 #include "base/stl_util.h"
 #include "content/browser/renderer_host/render_widget_helper.h"
 #include "content/browser/service_worker/embedded_worker_instance.h"
@@ skipping 24 matching lines @@
   return registry;
 }
 
 scoped_ptr<EmbeddedWorkerInstance> EmbeddedWorkerRegistry::CreateWorker() {
   scoped_ptr<EmbeddedWorkerInstance> worker(
       new EmbeddedWorkerInstance(context_, next_embedded_worker_id_));
   worker_map_[next_embedded_worker_id_++] = worker.get();
   return worker.Pass();
 }
 
-ServiceWorkerStatusCode EmbeddedWorkerRegistry::StopWorker(
-    int process_id, int embedded_worker_id) {
-  return Send(process_id,
-              new EmbeddedWorkerMsg_StopWorker(embedded_worker_id));
-}
-
 bool EmbeddedWorkerRegistry::OnMessageReceived(const IPC::Message& message,
                                                int process_id) {
   // TODO(kinuko): Move all EmbeddedWorker message handling from
   // ServiceWorkerDispatcherHost.
 
   WorkerInstanceMap::iterator found = worker_map_.find(message.routing_id());
   DCHECK(found != worker_map_.end());
   if (found == worker_map_.end() || found->second->process_id() != process_id)
     return false;
   return found->second->OnMessageReceived(message);
@@ skipping 165 matching lines @@
     int initial_embedded_worker_id)
     : context_(context),
       next_embedded_worker_id_(initial_embedded_worker_id),
       initial_embedded_worker_id_(initial_embedded_worker_id) {
 }
 
 EmbeddedWorkerRegistry::~EmbeddedWorkerRegistry() {
   Shutdown();
 }
 
-ServiceWorkerStatusCode EmbeddedWorkerRegistry::SendStartWorker(
-    scoped_ptr<EmbeddedWorkerMsg_StartWorker_Params> params,
-    int process_id) {
-  if (!context_)
-    return SERVICE_WORKER_ERROR_ABORT;
-
+void EmbeddedWorkerRegistry::WorkerStarting(int embedded_worker_id,
+                                            int process_id) {
   // The ServiceWorkerDispatcherHost is supposed to be created when the process
   // is created, and keep an entry in process_sender_map_ for its whole
   // lifetime.
   DCHECK(ContainsKey(process_sender_map_, process_id));
 
-  int embedded_worker_id = params->embedded_worker_id;
   WorkerInstanceMap::iterator found = worker_map_.find(embedded_worker_id);
   DCHECK(found != worker_map_.end());
   DCHECK_EQ(found->second->process_id(), process_id);
 
   DCHECK(!ContainsKey(worker_process_map_, process_id) ||
          worker_process_map_[process_id].count(embedded_worker_id) == 0);
 
-  ServiceWorkerStatusCode status =
-      Send(process_id, new EmbeddedWorkerMsg_StartWorker(*params));
-  if (status == SERVICE_WORKER_OK)
-    worker_process_map_[process_id].insert(embedded_worker_id);
-  return status;
+  worker_process_map_[process_id].insert(embedded_worker_id);
 }
 
 ServiceWorkerStatusCode EmbeddedWorkerRegistry::Send(
     int process_id, IPC::Message* message_ptr) {
   scoped_ptr<IPC::Message> message(message_ptr);
   if (!context_)
     return SERVICE_WORKER_ERROR_ABORT;
   ProcessToSenderMap::iterator found = process_sender_map_.find(process_id);
   if (found == process_sender_map_.end())
     return SERVICE_WORKER_ERROR_PROCESS_NOT_FOUND;
   if (!found->second->Send(message.release()))
     return SERVICE_WORKER_ERROR_IPC_FAILED;
   return SERVICE_WORKER_OK;
 }
 
 void EmbeddedWorkerRegistry::RemoveWorker(int process_id,
                                           int embedded_worker_id) {
   DCHECK(ContainsKey(worker_map_, embedded_worker_id));
   worker_map_.erase(embedded_worker_id);
   worker_process_map_.erase(process_id);
 }
 
 }  // namespace content