Add IPC stubs between browser and ServiceWorker's worker context in the child process

content/browser/service_worker/embedded_worker_registry.cc

Index: content/browser/service_worker/embedded_worker_registry.cc
diff --git a/content/browser/service_worker/embedded_worker_registry.cc b/content/browser/service_worker/embedded_worker_registry.cc
index f8f0fbe7d5f4df04bbef97feb3946a26aaa77975..24991fd1fa44b0d0876484f512d36fc4626f84a0 100644
--- a/content/browser/service_worker/embedded_worker_registry.cc
+++ b/content/browser/service_worker/embedded_worker_registry.cc
@@ -25,11 +25,6 @@ scoped_ptr<EmbeddedWorkerInstance> EmbeddedWorkerRegistry::CreateWorker() {
   return worker.Pass();
 }
 
-void EmbeddedWorkerRegistry::RemoveWorker(int embedded_worker_id) {
-  DCHECK(ContainsKey(worker_map_, embedded_worker_id));
-  worker_map_.erase(embedded_worker_id);
-}
-
 bool EmbeddedWorkerRegistry::StartWorker(
     int process_id,
     int embedded_worker_id,
@@ -47,13 +42,46 @@ bool EmbeddedWorkerRegistry::StopWorker(int process_id,
               new ServiceWorkerMsg_TerminateWorker(embedded_worker_id));
 }
 
+void EmbeddedWorkerRegistry::OnWorkerStarted(
+    int process_id, int thread_id, int embedded_worker_id) {
+  DCHECK(!ContainsKey(worker_process_map_, process_id));
+  WorkerInstanceMap::iterator found = worker_map_.find(embedded_worker_id);
+  if (found == worker_map_.end()) {
+    LOG(ERROR) << "Worker " << embedded_worker_id << " not registered";
+    return;
+  }
+  worker_process_map_[process_id] = embedded_worker_id;
+  DCHECK_EQ(found->second->process_id(), process_id);
+  found->second->OnStarted(thread_id);
+}
+
+void EmbeddedWorkerRegistry::OnWorkerStopped(
+    int process_id, int embedded_worker_id) {
+  WorkerInstanceMap::iterator found = worker_map_.find(embedded_worker_id);
+  if (found == worker_map_.end()) {
+    LOG(ERROR) << "Worker " << embedded_worker_id << " not registered";
+    return;
+  }
+  DCHECK_EQ(found->second->process_id(), process_id);
+  worker_process_map_.erase(process_id);
+  found->second->OnStopped();
+}
+
 void EmbeddedWorkerRegistry::AddChildProcessSender(
     int process_id, IPC::Sender* sender) {
   process_sender_map_[process_id] = sender;
+  DCHECK(!ContainsKey(worker_process_map_, process_id));
 }
 
 void EmbeddedWorkerRegistry::RemoveChildProcessSender(int process_id) {
   process_sender_map_.erase(process_id);
+  std::map<int, int>::iterator found = worker_process_map_.find(process_id);
+  if (found != worker_process_map_.end()) {
+    int embedded_worker_id = found->second;
+    DCHECK(ContainsKey(worker_map_, embedded_worker_id));
+    worker_map_[embedded_worker_id]->OnStopped();
+    worker_process_map_.erase(found);
+  }
 }
 
 EmbeddedWorkerRegistry::~EmbeddedWorkerRegistry() {}
@@ -67,4 +95,11 @@ bool EmbeddedWorkerRegistry::Send(int process_id, IPC::Message* message) {
   return found->second->Send(message);
 }
 
+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