ServiceWorker: Use mojo's data pipe for respondWith(stream)

content/renderer/cache_storage/cache_storage_dispatcher.cc

 // 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.
 
 #include "content/renderer/cache_storage/cache_storage_dispatcher.h"
 
 #include <stddef.h>
 
 #include <map>
 #include <memory>
@@ skipping 86 matching lines @@
       return CACHE_STORAGE_CACHE_OPERATION_TYPE_PUT;
     case blink::WebServiceWorkerCache::kOperationTypeDelete:
       return CACHE_STORAGE_CACHE_OPERATION_TYPE_DELETE;
     default:
       return CACHE_STORAGE_CACHE_OPERATION_TYPE_UNDEFINED;
   }
 }
 
 CacheStorageBatchOperation BatchOperationFromWebBatchOperation(
     const blink::WebServiceWorkerCache::BatchOperation& web_operation) {
-  // We don't support streaming for cache.
-  DCHECK(web_operation.response.StreamURL().IsEmpty());
-
   CacheStorageBatchOperation operation;
   operation.operation_type =
       CacheOperationTypeFromWebCacheOperationType(web_operation.operation_type);
   operation.request = FetchRequestFromWebRequest(web_operation.request);
   operation.response =
       GetServiceWorkerResponseFromWebResponse(web_operation.response);
   operation.match_params =
       QueryParamsFromWebQueryParams(web_operation.match_params);
   return operation;
 }
@@ skipping 542 matching lines @@
 CacheStorageDispatcher::WebResponsesFromResponses(
     const std::vector<ServiceWorkerResponse>& responses) {
   blink::WebVector<blink::WebServiceWorkerResponse> web_responses(
       responses.size());
   for (size_t i = 0; i < responses.size(); ++i)
     PopulateWebResponseFromResponse(responses[i], &(web_responses[i]));
   return web_responses;
 }
 
 }  // namespace content