ServiceWorker: Implement navigator.serviceWorker.getRegistration [2/3]

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 <string>
 #include <vector>
 
 #include "base/strings/string16.h"
@@ skipping 72 matching lines @@
                      int /* provider_id */,
                      GURL /* scope */,
                      GURL /* script_url */)
 
 IPC_MESSAGE_CONTROL4(ServiceWorkerHostMsg_UnregisterServiceWorker,
                      int /* thread_id */,
                      int /* request_id */,
                      int /* provider_id */,
                      GURL /* scope (url pattern) */)
 
+IPC_MESSAGE_CONTROL4(ServiceWorkerHostMsg_GetRegistration,
+                     int /* thread_id */,
+                     int /* request_id */,
+                     int /* provider_id */,
+                     GURL /* document_url */)
+
 // Sends a 'message' event to a service worker (renderer->browser).
 IPC_MESSAGE_CONTROL3(ServiceWorkerHostMsg_PostMessageToWorker,
                      int /* handle_id */,
                      base::string16 /* message */,
                      std::vector<int> /* sent_message_port_ids */)
 
 // Informs the browser of a new ServiceWorkerProvider in the child process,
 // |provider_id| is unique within its child process.
 IPC_MESSAGE_CONTROL1(ServiceWorkerHostMsg_ProviderCreated,
                      int /* provider_id */)
@@ skipping 74 matching lines @@
                     int /* request_id */)
 
 //---------------------------------------------------------------------------
 // Messages sent from the browser to the child process.
 //
 // NOTE: All ServiceWorkerMsg messages not sent via EmbeddedWorker must have
 // a thread_id as their first field so that ServiceWorkerMessageFilter can
 // extract it and dispatch the message to the correct ServiceWorkerDispatcher
 // on the correct thread.
 
-// Response to ServiceWorkerMsg_RegisterServiceWorker.
+// Response to ServiceWorkerHostMsg_RegisterServiceWorker.
 IPC_MESSAGE_CONTROL4(ServiceWorkerMsg_ServiceWorkerRegistered,
                      int /* thread_id */,
                      int /* request_id */,
                      content::ServiceWorkerRegistrationObjectInfo,
                      content::ServiceWorkerVersionAttributes)
 
-// Response to ServiceWorkerMsg_UnregisterServiceWorker.
+// Response to ServiceWorkerHostMsg_UnregisterServiceWorker.
 IPC_MESSAGE_CONTROL2(ServiceWorkerMsg_ServiceWorkerUnregistered,
                      int /* thread_id */,
                      int /* request_id */)
 
+// Response to ServiceWorkerHostMsg_GetRegistration.
+IPC_MESSAGE_CONTROL4(ServiceWorkerMsg_DidGetRegistration,
+                     int /* thread_id */,
+                     int /* request_id */,
+                     content::ServiceWorkerRegistrationObjectInfo,
+                     content::ServiceWorkerVersionAttributes)
+
 // 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 registration error occurs during a
 // UnregisterServiceWorker handler above.
 IPC_MESSAGE_CONTROL4(ServiceWorkerMsg_ServiceWorkerUnregistrationError,
                      int /* thread_id */,
                      int /* request_id */,
                      blink::WebServiceWorkerError::ErrorType /* code */,
                      base::string16 /* message */)
 
+// Sent when any kind of registration error occurs during a
+// GetRegistration handler above.
+IPC_MESSAGE_CONTROL4(ServiceWorkerMsg_ServiceWorkerGetRegistrationError,
+                     int /* thread_id */,
+                     int /* request_id */,
+                     blink::WebServiceWorkerError::ErrorType /* code */,
+                     base::string16 /* message */)
+
 // Informs the child process that the ServiceWorker's state has changed.
 IPC_MESSAGE_CONTROL3(ServiceWorkerMsg_ServiceWorkerStateChanged,
                      int /* thread_id */,
                      int /* handle_id */,
                      blink::WebServiceWorkerState)
 
 // Tells the child process to set service workers for the given provider.
 IPC_MESSAGE_CONTROL5(ServiceWorkerMsg_SetVersionAttributes,
                      int /* thread_id */,
                      int /* provider_id */,
@@ skipping 70 matching lines @@
                      blink::WebServiceWorkerCacheError /* reason */)
 IPC_MESSAGE_CONTROL2(ServiceWorkerMsg_CacheStorageCreateError,
                      int /* request_id */,
                      blink::WebServiceWorkerCacheError /* reason */)
 IPC_MESSAGE_CONTROL2(ServiceWorkerMsg_CacheStorageDeleteError,
                      int /* request_id */,
                      blink::WebServiceWorkerCacheError /* reason */)
 IPC_MESSAGE_CONTROL2(ServiceWorkerMsg_CacheStorageKeysError,
                      int /* request_id */,
                      blink::WebServiceWorkerCacheError /* reason */)