service worker: navigation preload basic setters/getters and flag

content/browser/service_worker/service_worker_dispatcher_host.cc

Index: content/browser/service_worker/service_worker_dispatcher_host.cc
diff --git a/content/browser/service_worker/service_worker_dispatcher_host.cc b/content/browser/service_worker/service_worker_dispatcher_host.cc
index 2c19cabaf95d343fb674a4d76c1941bdd3ac7b8a..99f640e0396da77362ce29b52d20dba08fff9f52 100644
--- a/content/browser/service_worker/service_worker_dispatcher_host.cc
+++ b/content/browser/service_worker/service_worker_dispatcher_host.cc
@@ -171,6 +171,10 @@ bool ServiceWorkerDispatcherHost::OnMessageReceived(
                         OnGetRegistrations)
     IPC_MESSAGE_HANDLER(ServiceWorkerHostMsg_GetRegistrationForReady,
                         OnGetRegistrationForReady)
+    IPC_MESSAGE_HANDLER(ServiceWorkerHostMsg_SetNavigationPreload,
+                        OnSetNavigationPreload)
+    IPC_MESSAGE_HANDLER(ServiceWorkerHostMsg_GetNavigationPreload,
+                        OnGetNavigationPreload)
     IPC_MESSAGE_HANDLER(ServiceWorkerHostMsg_ProviderCreated,
                         OnProviderCreated)
     IPC_MESSAGE_HANDLER(ServiceWorkerHostMsg_ProviderDestroyed,
@@ -699,6 +703,46 @@ void ServiceWorkerDispatcherHost::OnGetRegistrationForReady(
   }
 }
 
+void ServiceWorkerDispatcherHost::OnSetNavigationPreload(
+    int thread_id,
+    int request_id,
+    int handle_id,
+    const std::string& value) {
+  LOG(ERROR) << "ServiceWorkerDispatcherHost::OnSetNavigationPreload: value="
+             << value;
+  ServiceWorkerHandle* handle = handles_.Lookup(handle_id);
+  if (!handle) {
+    bad_message::ReceivedBadMessage(this,
+                                    bad_message::SWDH_POST_MESSAGE /* XXX */);
+    return;
+  }
+  ServiceWorkerVersion* version = handle->version();
+  if (version->is_navigation_preload_enabled() &&
+      version->navigation_preload_value() == value) {
+    Send(new ServiceWorkerMsg_DidSetNavigationPreload(thread_id, request_id));
+    return;
+  }
+  handle->version()->set_navigation_preload_enabled(true, value);
+  Send(new ServiceWorkerMsg_DidSetNavigationPreload(thread_id, request_id));
+  // TODO(falken): Persist the value in storage.
+}
+
+void ServiceWorkerDispatcherHost::OnGetNavigationPreload(int thread_id,
+                                                         int request_id,
+                                                         int handle_id) {
+  LOG(ERROR) << "ServiceWorkerDispatcherHost::OnGetNavigationPreload";
+  ServiceWorkerHandle* handle = handles_.Lookup(handle_id);
+  if (!handle) {
+    bad_message::ReceivedBadMessage(this,
+                                    bad_message::SWDH_POST_MESSAGE /* XXX */);
+    return;
+  }
+  const ServiceWorkerVersion* version = handle->version();
+  Send(new ServiceWorkerMsg_DidGetNavigationPreload(
+      thread_id, request_id, version->is_navigation_preload_enabled(),
+      version->navigation_preload_value()));
+}
+
 void ServiceWorkerDispatcherHost::OnPostMessageToWorker(
     int handle_id,
     int provider_id,