service worker: navigation preload basic setters/getters and flag

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..493d74b175075e1639fa40b41820452d572f16fb 100644
--- a/content/child/service_worker/service_worker_dispatcher.cc
+++ b/content/child/service_worker/service_worker_dispatcher.cc
@@ -79,6 +79,10 @@ void ServiceWorkerDispatcher::OnMessageReceived(const IPC::Message& msg) {
                         OnDidGetRegistrations)
     IPC_MESSAGE_HANDLER(ServiceWorkerMsg_DidGetRegistrationForReady,
                         OnDidGetRegistrationForReady)
+    IPC_MESSAGE_HANDLER(ServiceWorkerMsg_DidSetNavigationPreload,
+                        OnDidSetNavigationPreload)
+    IPC_MESSAGE_HANDLER(ServiceWorkerMsg_DidGetNavigationPreload,
+                        OnDidGetNavigationPreload)
     IPC_MESSAGE_HANDLER(ServiceWorkerMsg_ServiceWorkerRegistrationError,
                         OnRegistrationError)
     IPC_MESSAGE_HANDLER(ServiceWorkerMsg_ServiceWorkerUpdateError,
@@ -206,6 +210,25 @@ void ServiceWorkerDispatcher::GetRegistrationForReady(
       CurrentWorkerId(), request_id, provider_id));
 }
 
+void ServiceWorkerDispatcher::SetNavigationPreload(
+    int handle_id,
+    const std::string& value,
+    blink::WebServiceWorker::WebSetNavigationPreloadCallbacks* callback) {
+  LOG(ERROR) << "ServiceWorkerDispatcher::SetNavigationPreload value=" << value;
+  int request_id = pending_set_navigation_preload_callbacks_.Add(callback);
+  thread_safe_sender_->Send(new ServiceWorkerHostMsg_SetNavigationPreload(
+      CurrentWorkerId(), request_id, handle_id, value));
+}
+
+void ServiceWorkerDispatcher::GetNavigationPreload(
+    int handle_id,
+    blink::WebServiceWorker::WebGetNavigationPreloadCallbacks* callback) {
+  LOG(ERROR) << "ServiceWorkerDispatcher::GetNavigationPreload";
+  int request_id = pending_get_navigation_preload_callbacks_.Add(callback);
+  thread_safe_sender_->Send(new ServiceWorkerHostMsg_GetNavigationPreload(
+      CurrentWorkerId(), request_id, handle_id));
+}
+
 void ServiceWorkerDispatcher::AddProviderContext(
     ServiceWorkerProviderContext* provider_context) {
   DCHECK(provider_context);
@@ -520,6 +543,39 @@ void ServiceWorkerDispatcher::OnDidGetRegistrationForReady(
   get_for_ready_callbacks_.Remove(request_id);
 }
 
+void ServiceWorkerDispatcher::OnDidGetNavigationPreload(
+    int thread_id,
+    int request_id,
+    bool is_enabled,
+    const std::string& value) {
+  LOG(ERROR) << "SWDispatcher::OnDidGetNavigationPreload: enabled="
+             << is_enabled << ", value=" << value;
+  WebGetNavigationPreloadCallbacks* callbacks =
+      pending_get_navigation_preload_callbacks_.Lookup(request_id);
+  DCHECK(callbacks);
+  if (!callbacks)
+    return;
+
+  if (is_enabled)
+    callbacks->onSuccess(blink::WebString::fromUTF8(value));
+  else
+    callbacks->onSuccess(blink::WebString());
+  pending_get_navigation_preload_callbacks_.Remove(request_id);
+}
+
+void ServiceWorkerDispatcher::OnDidSetNavigationPreload(int thread_id,
+                                                        int request_id) {
+  LOG(ERROR) << "SWDispatcher::OnDidSetNavigationPreload";
+  WebSetNavigationPreloadCallbacks* callbacks =
+      pending_set_navigation_preload_callbacks_.Lookup(request_id);
+  DCHECK(callbacks);
+  if (!callbacks)
+    return;
+
+  callbacks->onSuccess();
+  pending_set_navigation_preload_callbacks_.Remove(request_id);
+}
+
 void ServiceWorkerDispatcher::OnRegistrationError(
     int thread_id,
     int request_id,