Add a blob field to ServiceWorkerFetchResponse and read the blob

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 "base/strings/string16.h"
 #include "content/common/service_worker/service_worker_status_code.h"
 #include "content/common/service_worker/service_worker_types.h"
 #include "ipc/ipc_message_macros.h"
@@ skipping 22 matching lines @@
   IPC_STRUCT_TRAITS_MEMBER(headers)
 IPC_STRUCT_TRAITS_END()
 
 IPC_ENUM_TRAITS_MAX_VALUE(content::ServiceWorkerFetchEventResult,
                           content::SERVICE_WORKER_FETCH_EVENT_LAST)
 
 IPC_STRUCT_TRAITS_BEGIN(content::ServiceWorkerResponse)
   IPC_STRUCT_TRAITS_MEMBER(status_code)
   IPC_STRUCT_TRAITS_MEMBER(status_text)
   IPC_STRUCT_TRAITS_MEMBER(headers)
+  IPC_STRUCT_TRAITS_MEMBER(blob_uuid)
 IPC_STRUCT_TRAITS_END()
 
 IPC_STRUCT_TRAITS_BEGIN(content::ServiceWorkerObjectInfo)
   IPC_STRUCT_TRAITS_MEMBER(handle_id)
   IPC_STRUCT_TRAITS_MEMBER(scope)
   IPC_STRUCT_TRAITS_MEMBER(url)
   IPC_STRUCT_TRAITS_MEMBER(state)
 IPC_STRUCT_TRAITS_END()
 
 //---------------------------------------------------------------------------
@@ skipping 129 matching lines @@
                      int /* request_id */)
 IPC_MESSAGE_CONTROL3(ServiceWorkerMsg_MessageToWorker,
                      base::string16 /* message */,
                      std::vector<int> /* sent_message_port_ids */,
                      std::vector<int> /* new_routing_ids */)
 
 // Sent via EmbeddedWorker as a response of GetClientDocuments.
 IPC_MESSAGE_CONTROL2(ServiceWorkerMsg_DidGetClientDocuments,
                      int /* request_id */,
                      std::vector<int> /* client_ids */)