service worker: Plumb NavigationPreloadManager.enable/disable to browser-side

content/child/service_worker/service_worker_dispatcher.cc

Index: content/child/service_worker/service_worker_dispatcher.cc
diff --git a/content/child/service_worker/service_worker_dispatcher.cc b/content/child/service_worker/service_worker_dispatcher.cc
index 984468a725342878cf099057958ac33bfaa193ad..2fef377f1bf97c0b2e84af18f1c4cc2305308941 100644
--- a/content/child/service_worker/service_worker_dispatcher.cc
+++ b/content/child/service_worker/service_worker_dispatcher.cc
@@ -79,6 +79,8 @@ void ServiceWorkerDispatcher::OnMessageReceived(const IPC::Message& msg) {
                         OnDidGetRegistrations)
     IPC_MESSAGE_HANDLER(ServiceWorkerMsg_DidGetRegistrationForReady,
                         OnDidGetRegistrationForReady)
+    IPC_MESSAGE_HANDLER(ServiceWorkerMsg_DidEnableNavigationPreload,
+                        OnDidEnableNavigationPreload)
     IPC_MESSAGE_HANDLER(ServiceWorkerMsg_ServiceWorkerRegistrationError,
                         OnRegistrationError)
     IPC_MESSAGE_HANDLER(ServiceWorkerMsg_ServiceWorkerUpdateError,
@@ -89,6 +91,8 @@ void ServiceWorkerDispatcher::OnMessageReceived(const IPC::Message& msg) {
                         OnGetRegistrationError)
     IPC_MESSAGE_HANDLER(ServiceWorkerMsg_ServiceWorkerGetRegistrationsError,
                         OnGetRegistrationsError)
+    IPC_MESSAGE_HANDLER(ServiceWorkerMsg_EnableNavigationPreloadError,
+                        OnEnableNavigationPreloadError)
     IPC_MESSAGE_HANDLER(ServiceWorkerMsg_ServiceWorkerStateChanged,
                         OnServiceWorkerStateChanged)
     IPC_MESSAGE_HANDLER(ServiceWorkerMsg_SetVersionAttributes,
@@ -206,6 +210,18 @@ void ServiceWorkerDispatcher::GetRegistrationForReady(
       CurrentWorkerId(), request_id, provider_id));
 }
 
+void ServiceWorkerDispatcher::EnableNavigationPreload(
+    int provider_id,
+    int64_t registration_id,
+    bool enable,
+    std::unique_ptr<WebEnableNavigationPreloadCallbacks> callbacks) {
+  DCHECK(callbacks);
+  int request_id =
+      enable_navigation_preload_callbacks_.Add(callbacks.release());
+  thread_safe_sender_->Send(new ServiceWorkerHostMsg_EnableNavigationPreload(
+      CurrentWorkerId(), request_id, provider_id, registration_id, enable));
+}
+
 void ServiceWorkerDispatcher::AddProviderContext(
     ServiceWorkerProviderContext* provider_context) {
   DCHECK(provider_context);
@@ -520,6 +536,17 @@ void ServiceWorkerDispatcher::OnDidGetRegistrationForReady(
   get_for_ready_callbacks_.Remove(request_id);
 }
 
+void ServiceWorkerDispatcher::OnDidEnableNavigationPreload(int thread_id,
+                                                           int request_id) {
+  WebEnableNavigationPreloadCallbacks* callbacks =
+      enable_navigation_preload_callbacks_.Lookup(request_id);
+  DCHECK(callbacks);
+  if (!callbacks)
+    return;
+  callbacks->onSuccess();
+  enable_navigation_preload_callbacks_.Remove(request_id);
+}
+
 void ServiceWorkerDispatcher::OnRegistrationError(
     int thread_id,
     int request_id,
@@ -632,6 +659,20 @@ void ServiceWorkerDispatcher::OnGetRegistrationsError(
   pending_get_registrations_callbacks_.Remove(request_id);
 }
 
+void ServiceWorkerDispatcher::OnEnableNavigationPreloadError(
+    int thread_id,
+    int request_id,
+    WebServiceWorkerError::ErrorType error_type,
+    const base::string16& message) {
+  WebEnableNavigationPreloadCallbacks* callbacks =
+      enable_navigation_preload_callbacks_.Lookup(request_id);
+  DCHECK(callbacks);
+  if (!callbacks)
+    return;
+  callbacks->onError(WebServiceWorkerError(error_type, message));
+  enable_navigation_preload_callbacks_.Remove(request_id);
+}
+
 void ServiceWorkerDispatcher::OnServiceWorkerStateChanged(
     int thread_id,
     int handle_id,