Don't send the body of the redirected request to the ServiceWorker.

content/browser/service_worker/service_worker_url_request_job.cc

 // 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.
 
 #include "content/browser/service_worker/service_worker_url_request_job.h"
 
 #include <stddef.h>
 #include <stdint.h>
 #include <limits>
 #include <map>
@@ skipping 428 matching lines @@
       return;
   }
 
   NOTREACHED();
 }
 
 scoped_ptr<ServiceWorkerFetchRequest>
 ServiceWorkerURLRequestJob::CreateFetchRequest() {
   std::string blob_uuid;
   uint64_t blob_size = 0;
-  CreateRequestBodyBlob(&blob_uuid, &blob_size);
+  // The upload data in URLRequest may have been cleared while handing redirect.
+  if (request_->has_upload())
+    CreateRequestBodyBlob(&blob_uuid, &blob_size);
   scoped_ptr<ServiceWorkerFetchRequest> request(
       new ServiceWorkerFetchRequest());
   request->mode = request_mode_;
   request->is_main_resource_load = is_main_resource_load_;
   request->request_context_type = request_context_type_;
   request->frame_type = frame_type_;
   request->url = request_->url();
   request->method = request_->method();
   const net::HttpRequestHeaders& headers = request_->extra_request_headers();
   for (net::HttpRequestHeaders::Iterator it(headers); it.GetNext();) {
@@ skipping 366 matching lines @@
         base::TimeTicks() /* service_worker_ready_time */);
     return;
   }
   delegate_->OnStartCompleted(true /* was_fetched_via_service_worker */,
                               fall_back_required_, response_url_,
                               service_worker_response_type_, worker_start_time_,
                               worker_ready_time_);
 }
 
 }  // namespace content