WIP POC blob transport over mojo

content/common/service_worker/service_worker_types.h

Index: content/common/service_worker/service_worker_types.h
diff --git a/content/common/service_worker/service_worker_types.h b/content/common/service_worker/service_worker_types.h
index ea22f5c3e723508a6ac2448ee160eb3f0b6303dc..b069c20d6c7828800d16a78f9cd56688515af4e4 100644
--- a/content/common/service_worker/service_worker_types.h
+++ b/content/common/service_worker/service_worker_types.h
@@ -19,6 +19,7 @@
 #include "content/public/common/request_context_frame_type.h"
 #include "content/public/common/request_context_type.h"
 #include "third_party/WebKit/public/platform/WebPageVisibilityState.h"
+#include "third_party/WebKit/public/platform/blobs.mojom.h"
 #include "third_party/WebKit/public/platform/modules/serviceworker/WebServiceWorkerClientType.h"
 #include "third_party/WebKit/public/platform/modules/serviceworker/WebServiceWorkerResponseError.h"
 #include "third_party/WebKit/public/platform/modules/serviceworker/WebServiceWorkerResponseType.h"
@@ -185,6 +186,7 @@ struct CONTENT_EXPORT ServiceWorkerResponse {
       const std::string& cache_storage_cache_name,
       std::unique_ptr<ServiceWorkerHeaderList> cors_exposed_header_names);
   ServiceWorkerResponse(const ServiceWorkerResponse& other);
+  ServiceWorkerResponse& operator=(const ServiceWorkerResponse& other);
   ~ServiceWorkerResponse();
   size_t EstimatedStructSize();
 
@@ -199,6 +201,7 @@ struct CONTENT_EXPORT ServiceWorkerResponse {
   // ServiceWorkerFetchResponseCallback.
   std::string blob_uuid;
   uint64_t blob_size;
+  storage::mojom::BlobPtr blob;
   blink::WebServiceWorkerResponseError error;
   base::Time response_time;
   bool is_in_cache_storage = false;