Add a blob field to ServiceWorkerFetchResponse and read the blob

content/browser/service_worker/service_worker_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_REQUEST_HANDLER_H_
 #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_REQUEST_HANDLER_H_
 
 #include "base/basictypes.h"
 #include "base/memory/weak_ptr.h"
 #include "base/supports_user_data.h"
 #include "content/common/content_export.h"
 #include "content/common/service_worker/service_worker_status_code.h"
 #include "net/url_request/url_request_job_factory.h"
 #include "webkit/common/resource_type.h"
 
 namespace net {
 class NetworkDelegate;
 class URLRequest;
 }
 
+namespace webkit_blob {
+class BlobStorageContext;
+}
+
 namespace content {
 
+class ChromeBlobStorageContext;
 class ServiceWorkerContextCore;
 class ServiceWorkerContextWrapper;
 class ServiceWorkerProviderHost;
 
 // Abstract base class for routing network requests to ServiceWorkers.
 // Created one per URLRequest and attached to each request.
 class CONTENT_EXPORT ServiceWorkerRequestHandler
     : public base::SupportsUserData::Data {
  public:
   // Attaches a newly created handler if the given |request| needs to
   // be handled by ServiceWorker.
   // TODO(kinuko): While utilizing UserData to attach data to URLRequest
   // has some precedence, it might be better to attach this handler in a more
   // explicit way within content layer, e.g. have ResourceRequestInfoImpl
   // own it.
   static void InitializeHandler(
       net::URLRequest* request,
       ServiceWorkerContextWrapper* context_wrapper,
+      webkit_blob::BlobStorageContext* blob_storage_context,
       int process_id,
       int provider_id,
       ResourceType::Type resource_type);
 
   // Returns the handler attached to |request|. This may return NULL
   // if no handler is attached.
   static ServiceWorkerRequestHandler* GetHandler(
       net::URLRequest* request);
 
   // Creates a protocol interceptor for ServiceWorker.
   static scoped_ptr<net::URLRequestJobFactory::ProtocolHandler>
       CreateInterceptor();
 
   virtual ~ServiceWorkerRequestHandler();
 
   // Called via custom URLRequestJobFactory.
   virtual net::URLRequestJob* MaybeCreateJob(
       net::URLRequest* request,
       net::NetworkDelegate* network_delegate) = 0;
 
  protected:
   ServiceWorkerRequestHandler(
       base::WeakPtr<ServiceWorkerContextCore> context,
       base::WeakPtr<ServiceWorkerProviderHost> provider_host,
+      base::WeakPtr<webkit_blob::BlobStorageContext> blob_storage_context,
       ResourceType::Type resource_type);
 
   base::WeakPtr<ServiceWorkerContextCore> context_;
   base::WeakPtr<ServiceWorkerProviderHost> provider_host_;
+  base::WeakPtr<webkit_blob::BlobStorageContext> blob_storage_context_;
   ResourceType::Type resource_type_;
 
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerRequestHandler);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_REQUEST_HANDLER_H_