service worker: Add CHECKs for investigating null http info bug.

content/browser/service_worker/embedded_worker_test_helper.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/embedded_worker_test_helper.h"
 
 #include <map>
 #include <string>
 #include <utility>
 
@@ skipping 262 matching lines @@
 
 ServiceWorkerContextCore* EmbeddedWorkerTestHelper::context() {
   return wrapper_->context();
 }
 
 void EmbeddedWorkerTestHelper::ShutdownContext() {
   wrapper_->Shutdown();
   wrapper_ = NULL;
 }
 
+// static
+net::HttpResponseInfo EmbeddedWorkerTestHelper::CreateHttpResponseInfo() {
+  net::HttpResponseInfo info;
+  const char data[] =
+      "HTTP/1.1 200 OK\0"
+      "Content-Type: application/javascript\0"
+      "\0";
+  info.headers =
+      new net::HttpResponseHeaders(std::string(data, arraysize(data)));
+  return info;
+}
+
 void EmbeddedWorkerTestHelper::OnStartWorker(int embedded_worker_id,
                                              int64_t service_worker_version_id,
                                              const GURL& scope,
                                              const GURL& script_url,
                                              bool pause_after_download) {
   embedded_worker_id_service_worker_version_id_map_[embedded_worker_id] =
       service_worker_version_id;
   SimulateWorkerReadyForInspection(embedded_worker_id);
   SimulateWorkerScriptCached(embedded_worker_id);
   SimulateWorkerScriptLoaded(embedded_worker_id);
@@ skipping 104 matching lines @@
   ServiceWorkerVersion* version = context()->GetLiveVersion(version_id);
   if (!version || version->script_cache_map()->size())
     return;
   std::vector<ServiceWorkerDatabase::ResourceRecord> records;
   // Add a dummy ResourceRecord for the main script to the script cache map of
   // the ServiceWorkerVersion. We use embedded_worker_id for resource_id to
   // avoid ID collision.
   records.push_back(ServiceWorkerDatabase::ResourceRecord(
       embedded_worker_id, version->script_url(), 100));
   version->script_cache_map()->SetResources(records);
+  version->SetMainScriptHttpResponseInfo(CreateHttpResponseInfo());
 }
 
 void EmbeddedWorkerTestHelper::SimulateWorkerScriptLoaded(
     int embedded_worker_id) {
   EmbeddedWorkerInstance* worker = registry()->GetWorker(embedded_worker_id);
   ASSERT_TRUE(worker != NULL);
   registry()->OnWorkerScriptLoaded(worker->process_id(), embedded_worker_id);
 }
 
 void EmbeddedWorkerTestHelper::SimulateWorkerThreadStarted(
@@ skipping 149 matching lines @@
                  service_manager::InterfaceProviderSpec());
 
   std::unique_ptr<service_manager::InterfaceProvider> remote_interfaces(
       new service_manager::InterfaceProvider);
   remote_interfaces->Bind(std::move(interfaces));
   rph->SetRemoteInterfaces(std::move(remote_interfaces));
   return registry;
 }
 
 }  // namespace content