Add a blob field to ServiceWorkerFetchResponse and read the blob

content/browser/service_worker/service_worker_provider_host.h

Index: content/browser/service_worker/service_worker_provider_host.h
diff --git a/content/browser/service_worker/service_worker_provider_host.h b/content/browser/service_worker/service_worker_provider_host.h
index 5aceebf47db37a8cfb03c595350509d55ac2a6ca..c5f54b92e37ed1dd0167c13a9e571aba9a8694c1 100644
--- a/content/browser/service_worker/service_worker_provider_host.h
+++ b/content/browser/service_worker/service_worker_provider_host.h
@@ -17,6 +17,10 @@ namespace IPC {
 class Sender;
 }
 
+namespace webkit_blob {
+class BlobStorageContext;
+}
+
 namespace content {
 
 class ServiceWorkerContextCore;
@@ -82,7 +86,8 @@ class CONTENT_EXPORT ServiceWorkerProviderHost
   // Returns a handler for a request, the handler may return NULL if
   // the request doesn't require special handling.
   scoped_ptr<ServiceWorkerRequestHandler> CreateRequestHandler(
-      ResourceType::Type resource_type);
+      ResourceType::Type resource_type,
+      base::WeakPtr<webkit_blob::BlobStorageContext> blob_storage_context);
 
   // Dispatches message event to the document.
   void PostMessage(const base::string16& message,