Implement EmbeddedWorkerContextClient.setCachedMetadata/clearCachedMetadata

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 212 matching lines @@
 // ServiceWorker.
 IPC_MESSAGE_ROUTED1(ServiceWorkerHostMsg_GetClientDocuments,
                     int /* request_id */)
 
 // Sends a 'message' event to a client document (renderer->browser).
 IPC_MESSAGE_ROUTED3(ServiceWorkerHostMsg_PostMessageToDocument,
                     int /* client_id */,
                     base::string16 /* message */,
                     std::vector<int> /* sent_message_port_ids */)
 
+// ServiceWorker -> Browser message to request that the ServiceWorkerStorage
+// cache |data| associated with |url|.
+IPC_MESSAGE_ROUTED2(ServiceWorkerHostMsg_SetCachedMetadata,
+                    GURL /* url */,
+                    std::vector<char> /* data */)
+
+// ServiceWorker -> Browser message to request that the ServiceWorkerStorage
+// clear the cache associated with |url|.
+IPC_MESSAGE_ROUTED1(ServiceWorkerHostMsg_ClearCachedMetadata, GURL /* url */)
+
 // Ask the browser to open a tab/window (renderer->browser).
 IPC_MESSAGE_ROUTED2(ServiceWorkerHostMsg_OpenWindow,
                     int /* request_id */,
                     GURL /* url */)
 
 // Ask the browser to focus a client (renderer->browser).
 IPC_MESSAGE_ROUTED2(ServiceWorkerHostMsg_FocusClient,
                     int /* request_id */,
                     int /* client_id */)
 
@@ skipping 279 matching lines @@
                      blink::WebServiceWorkerCacheError)
 IPC_MESSAGE_CONTROL2(ServiceWorkerMsg_CacheMatchAllError,
                      int /* request_id */,
                      blink::WebServiceWorkerCacheError)
 IPC_MESSAGE_CONTROL2(ServiceWorkerMsg_CacheKeysError,
                      int /* request_id */,
                      blink::WebServiceWorkerCacheError)
 IPC_MESSAGE_CONTROL2(ServiceWorkerMsg_CacheBatchError,
                      int /* request_id */,
                      blink::WebServiceWorkerCacheError)