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

content/browser/service_worker/service_worker_job_unittest.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 <stdint.h>
 #include <tuple>
 
 #include "base/files/scoped_temp_dir.h"
 #include "base/logging.h"
 #include "base/macros.h"
@@ skipping 846 matching lines @@
       version->embedded_worker()->OnNetworkAccessedForScriptLoad();
     }
 
     int64_t resource_id = storage()->NewResourceId();
     version->script_cache_map()->NotifyStartedCaching(script, resource_id);
     if (!is_update) {
       // Spoof caching the script for the initial version.
       WriteStringResponse(storage(), resource_id, kMockScriptBody);
       version->script_cache_map()->NotifyFinishedCaching(
           script, kMockScriptSize, net::OK, std::string());
+      version->SetMainScriptHttpResponseInfo(
+          EmbeddedWorkerTestHelper::CreateHttpResponseInfo());
     } else {
       if (script.GetOrigin() == kNoChangeOrigin) {
         // Simulate fetching the updated script and finding it's identical to
         // the incumbent.
         version->script_cache_map()->NotifyFinishedCaching(
             script, kMockScriptSize, net::ERR_FILE_EXISTS, std::string());
+        version->SetMainScriptHttpResponseInfo(
+            EmbeddedWorkerTestHelper::CreateHttpResponseInfo());
         SimulateWorkerScriptLoaded(embedded_worker_id);
         return;
       }
 
       // Spoof caching the script for the new version.
       WriteStringResponse(storage(), resource_id, "mock_different_script");
       version->script_cache_map()->NotifyFinishedCaching(
           script, kMockScriptSize, net::OK, std::string());
+      version->SetMainScriptHttpResponseInfo(
+          EmbeddedWorkerTestHelper::CreateHttpResponseInfo());
     }
 
     EmbeddedWorkerTestHelper::OnStartWorker(
         embedded_worker_id, version_id, scope, script, pause_after_download);
   }
 
   void OnResumeAfterDownload(int embedded_worker_id) override {
     if (!force_start_worker_failure_) {
       EmbeddedWorkerTestHelper::OnResumeAfterDownload(embedded_worker_id);
     } else {
@@ skipping 856 matching lines @@
   EXPECT_EQ(new_version.get(), registration->active_version());
   EXPECT_EQ(ServiceWorkerVersion::ACTIVATING, new_version->status());
   registration->RemoveListener(update_helper);
 }
 
 INSTANTIATE_TEST_CASE_P(ServiceWorkerJobTest,
                         ServiceWorkerJobTestP,
                         ::testing::Values(false, true));
 
 }  // namespace content