[Proof-of-concept] PlzNavigate and Service Worker

content/browser/service_worker/service_worker_context_core.cc

Index: content/browser/service_worker/service_worker_context_core.cc
diff --git a/content/browser/service_worker/service_worker_context_core.cc b/content/browser/service_worker/service_worker_context_core.cc
index 0416733b35fd9fec878fa3d7a7e3d8c08f54f817..f4c666220a686d51c606e9aa085097d5bf266f17 100644
--- a/content/browser/service_worker/service_worker_context_core.cc
+++ b/content/browser/service_worker/service_worker_context_core.cc
@@ -141,6 +141,7 @@ ServiceWorkerContextCore::ServiceWorkerContextCore(
       provider_by_uuid_(new ProviderByClientUUIDMap),
       next_handle_id_(0),
       next_registration_handle_id_(0),
+      next_navigation_provider_host_id_(0),
       observer_list_(observer_list),
       weak_factory_(this) {
   // These get a WeakPtr from weak_factory_, so must be set after weak_factory_
@@ -163,6 +164,8 @@ ServiceWorkerContextCore::ServiceWorkerContextCore(
       provider_by_uuid_(old_context->provider_by_uuid_.release()),
       next_handle_id_(old_context->next_handle_id_),
       next_registration_handle_id_(old_context->next_registration_handle_id_),
+      next_navigation_provider_host_id_(
+          old_context->next_navigation_provider_host_id_),
       observer_list_(old_context->observer_list_),
       weak_factory_(this) {
   // These get a WeakPtr from weak_factory_, so must be set after weak_factory_
@@ -228,6 +231,26 @@ ServiceWorkerContextCore::GetClientProviderHostIterator(const GURL& origin) {
       providers_.get(), base::Bind(IsSameOriginClientProviderHost, origin)));
 }
 
+scoped_ptr<ServiceWorkerProviderHost>
+ServiceWorkerContextCore::CreateNavigationProviderHost() {
+  return scoped_ptr<ServiceWorkerProviderHost>(new ServiceWorkerProviderHost(
+      ServiceWorkerProviderHost::kVirtualProcessIDForNavigationRequest,
+      MSG_ROUTING_NONE, next_navigation_provider_host_id_++,
+      SERVICE_WORKER_PROVIDER_FOR_WINDOW, AsWeakPtr(), nullptr));
+}
+
+void ServiceWorkerContextCore::RegisterNavigationProviderHost(
+    scoped_ptr<ServiceWorkerProviderHost> provider_host) {
+  navigation_provider_host_map_.add(provider_host->provider_id(),
+                                    provider_host.Pass());
+}
+
+scoped_ptr<ServiceWorkerProviderHost>
+ServiceWorkerContextCore::TakeNavigationProviderHost(
+    int navigation_provider_id) {
+  return navigation_provider_host_map_.take(navigation_provider_id);
+}
+
 void ServiceWorkerContextCore::RegisterProviderHostByClientID(
     const std::string& client_uuid,
     ServiceWorkerProviderHost* provider_host) {