service worker: navigation preload basic setters/getters and flag

content/common/service_worker/service_worker_messages.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Message definition file, included multiple times, hence no include guard.
 
 #include <stdint.h>
 
 #include <string>
 #include <vector>
@@ skipping 169 matching lines @@
 IPC_MESSAGE_CONTROL3(ServiceWorkerHostMsg_GetRegistrations,
                      int /* thread_id */,
                      int /* request_id */,
                      int /* provider_id */)
 
 IPC_MESSAGE_CONTROL3(ServiceWorkerHostMsg_GetRegistrationForReady,
                      int /* thread_id */,
                      int /* request_id */,
                      int /* provider_id */)
 
+IPC_MESSAGE_CONTROL4(ServiceWorkerHostMsg_SetNavigationPreload,
+                     int /* thread_id */,
+                     int /* request_id */,
+                     int /* handle_id */,
+                     std::string /* value */)
+
+IPC_MESSAGE_CONTROL3(ServiceWorkerHostMsg_GetNavigationPreload,
+                     int /* thread_id */,
+                     int /* request_id */,
+                     int /* handle_id */)
+
 // Sends ExtendableMessageEvent to a service worker (renderer->browser).
 IPC_MESSAGE_CONTROL5(
     ServiceWorkerHostMsg_PostMessageToWorker,
     int /* handle_id */,
     int /* provider_id */,
     base::string16 /* message */,
     url::Origin /* source_origin */,
     std::vector<int> /* sent_message_ports */)
 
 // Informs the browser of a new ServiceWorkerProvider in the child process,
@@ skipping 205 matching lines @@
                      std::vector<content::ServiceWorkerRegistrationObjectInfo>,
                      std::vector<content::ServiceWorkerVersionAttributes>)
 
 // Response to ServiceWorkerHostMsg_GetRegistrationForReady.
 IPC_MESSAGE_CONTROL4(ServiceWorkerMsg_DidGetRegistrationForReady,
                      int /* thread_id */,
                      int /* request_id */,
                      content::ServiceWorkerRegistrationObjectInfo,
                      content::ServiceWorkerVersionAttributes)
 
+// Response to ServiceWorkerHostMsg_SetNavigationPreload.
+IPC_MESSAGE_CONTROL2(ServiceWorkerMsg_DidSetNavigationPreload,
+                     int /* thread_id */,
+                     int /* request_id */)
+
+// Response to ServiceWorkerHostMsg_GetNavigationPreload.
+IPC_MESSAGE_CONTROL4(ServiceWorkerMsg_DidGetNavigationPreload,
+                     int /* thread_id */,
+                     int /* request_id */,
+                     bool /* enabled */,
+                     std::string /* value */)
+
 // Sent when any kind of registration error occurs during a
 // RegisterServiceWorker handler above.
 IPC_MESSAGE_CONTROL4(ServiceWorkerMsg_ServiceWorkerRegistrationError,
                      int /* thread_id */,
                      int /* request_id */,
                      blink::WebServiceWorkerError::ErrorType /* code */,
                      base::string16 /* message */)
 
 // Sent when any kind of update error occurs during a
 // UpdateServiceWorker handler above.
@@ skipping 122 matching lines @@
 
 // Sent via EmbeddedWorker as a response of NavigateClient.
 IPC_MESSAGE_CONTROL2(ServiceWorkerMsg_NavigateClientResponse,
                      int /* request_id */,
                      content::ServiceWorkerClientInfo /* client */)
 
 // Sent via EmbeddedWorker as an error response of NavigateClient.
 IPC_MESSAGE_CONTROL2(ServiceWorkerMsg_NavigateClientError,
                      int /* request_id */,
                      GURL /* url */)