ServiceWorker: Implement StartWorker by using mojo

content/browser/service_worker/embedded_worker_registry.h

 // 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.
 
 #ifndef CONTENT_BROWSER_SERVICE_WORKER_EMBEDDED_WORKER_REGISTRY_H_
 #define CONTENT_BROWSER_SERVICE_WORKER_EMBEDDED_WORKER_REGISTRY_H_
 
 #include <map>
 #include <memory>
 #include <set>
@@ skipping 96 matching lines @@
 
   MessagePortMessageFilter* MessagePortMessageFilterForProcess(int process_id);
 
  private:
   friend class base::RefCounted<EmbeddedWorkerRegistry>;
   friend class EmbeddedWorkerInstance;
   friend class EmbeddedWorkerInstanceTest;
   FRIEND_TEST_ALL_PREFIXES(EmbeddedWorkerInstanceTest,
                            RemoveWorkerInSharedProcess);
 
-  typedef std::map<int, EmbeddedWorkerInstance*> WorkerInstanceMap;
-  typedef std::map<int, IPC::Sender*> ProcessToSenderMap;
-  typedef std::map<int, MessagePortMessageFilter*>
-      ProcessToMessagePortMessageFilterMap;
+  using WorkerInstanceMap = std::map<int, EmbeddedWorkerInstance*>;
+  using ProcessToSenderMap = std::map<int, IPC::Sender*>;
+  using ProcessToMessagePortMessageFilterMap =
+      std::map<int, MessagePortMessageFilter*>;
 
   EmbeddedWorkerRegistry(
       const base::WeakPtr<ServiceWorkerContextCore>& context,
       int initial_embedded_worker_id);
   ~EmbeddedWorkerRegistry();
 
   ServiceWorkerStatusCode Send(int process_id, IPC::Message* message);
 
+  // Called when EmbeddedWorkerInstance gets ready for IPC. This function
+  // prepares a route to the child worker thread.
+  // TODO(shimazu): Remove this function once mojofication is completed.
+  ServiceWorkerStatusCode AddWorker(int process_id, int embedded_worker_id);
+
   // RemoveWorker is called when EmbeddedWorkerInstance is destructed.
   // |process_id| could be invalid (i.e. ChildProcessHost::kInvalidUniqueID)
   // if it's not running.
   void RemoveWorker(int process_id, int embedded_worker_id);
 
   EmbeddedWorkerInstance* GetWorkerForMessage(int process_id,
                                               int embedded_worker_id);
 
   base::WeakPtr<ServiceWorkerContextCore> context_;
 
   WorkerInstanceMap worker_map_;
   ProcessToSenderMap process_sender_map_;
   ProcessToMessagePortMessageFilterMap process_message_port_message_filter_map_;
 
   // Map from process_id to embedded_worker_id.
   // This map only contains starting and running workers.
   std::map<int, std::set<int> > worker_process_map_;
 
   int next_embedded_worker_id_;
   const int initial_embedded_worker_id_;
 
   DISALLOW_COPY_AND_ASSIGN(EmbeddedWorkerRegistry);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SERVICE_WORKER_EMBEDDED_WORKER_REGISTRY_H_