ServiceWorkerCache: Support response body in blob form.

content/common/service_worker/service_worker_messages.h

Index: content/common/service_worker/service_worker_messages.h
diff --git a/content/common/service_worker/service_worker_messages.h b/content/common/service_worker/service_worker_messages.h
index 9c9aa0e111c6959ca47fe5d9ea1755848cf24463..a65b2db1b48ff7b55daeedb42dc7ee604f634e2c 100644
--- a/content/common/service_worker/service_worker_messages.h
+++ b/content/common/service_worker/service_worker_messages.h
@@ -58,6 +58,7 @@ IPC_STRUCT_TRAITS_BEGIN(content::ServiceWorkerResponse)
   IPC_STRUCT_TRAITS_MEMBER(response_type)
   IPC_STRUCT_TRAITS_MEMBER(headers)
   IPC_STRUCT_TRAITS_MEMBER(blob_uuid)
+  IPC_STRUCT_TRAITS_MEMBER(blob_size)
 IPC_STRUCT_TRAITS_END()
 
 IPC_STRUCT_TRAITS_BEGIN(content::ServiceWorkerCacheQueryParams)
@@ -234,6 +235,9 @@ IPC_MESSAGE_ROUTED3(ServiceWorkerHostMsg_CacheBatch,
 IPC_MESSAGE_ROUTED1(ServiceWorkerHostMsg_CacheClosed,
                     int /* cache_id */)
 
+IPC_MESSAGE_ROUTED1(ServiceWorkerHostMsg_BlobDataHandled,
+                    base::string16 /* uuid */)

[michaeln, 2014/10/06 21:01:33]

std::string?

[jkarlin, 2014/10/07 12:48:17]

I agree that we should be sending strings instead of string16s over IPC but that
isn't the convention in service_worker_messages.h.  I went with the convention.

+
 //---------------------------------------------------------------------------
 // Messages sent from the browser to the child process.
 //