Add a blob field to ServiceWorkerFetchResponse and read the blob

content/browser/service_worker/service_worker_controllee_request_handler.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.
 
 #ifndef CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_CONTROLLEE_REQUEST_HANDLER_H_
 #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_CONTROLLEE_REQUEST_HANDLER_H_
 
 #include "content/browser/service_worker/service_worker_request_handler.h"
 
 namespace net {
 class NetworkDelegate;
 class URLRequest;
 }
 
 namespace content {
 
 class ServiceWorkerRegistration;
 class ServiceWorkerURLRequestJob;
 
 // A request handler derivative used to handle requests from
 // controlled documents.
 class CONTENT_EXPORT ServiceWorkerControlleeRequestHandler
     : public ServiceWorkerRequestHandler {
  public:
   ServiceWorkerControlleeRequestHandler(
       base::WeakPtr<ServiceWorkerContextCore> context,
       base::WeakPtr<ServiceWorkerProviderHost> provider_host,
+      base::WeakPtr<webkit_blob::BlobStorageContext> blob_storage_context,
       ResourceType::Type resource_type);
   virtual ~ServiceWorkerControlleeRequestHandler();
 
   // Called via custom URLRequestJobFactory.
   virtual net::URLRequestJob* MaybeCreateJob(
       net::URLRequest* request,
       net::NetworkDelegate* network_delegate) OVERRIDE;
 
  private:
   typedef ServiceWorkerControlleeRequestHandler self;
 
   // For main resource case.
   void PrepareForMainResource(const GURL& url);
   void DidLookupRegistrationForMainResource(
       ServiceWorkerStatusCode status,
       const scoped_refptr<ServiceWorkerRegistration>& registration);
 
   // For sub resource case.
   void PrepareForSubResource();
 
   scoped_refptr<ServiceWorkerURLRequestJob> job_;
   base::WeakPtrFactory<ServiceWorkerControlleeRequestHandler> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerControlleeRequestHandler);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_CONTROLLEE_REQUEST_HANDLER_H_