Set the Content-Type and Content-Length headers for BG Fetch

content/browser/background_fetch/background_fetch_service_unittest.cc

 // Copyright 2017 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 <map>
 #include <memory>
 #include <utility>
 
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
@@ skipping 351 matching lines @@
       embedded_worker_test_helper()->last_fetches().value();
   ASSERT_EQ(fetches.size(), requests.size());
 
   for (size_t i = 0; i < fetches.size(); ++i) {
     ASSERT_EQ(fetches[i].request.url, requests[i].url);
     EXPECT_EQ(fetches[i].request.method, requests[i].method);
 
     EXPECT_EQ(fetches[i].request.url, fetches[i].response.url_list[0]);
 
     // TODO(peter): change-detector tests for unsupported properties.
-    EXPECT_EQ(fetches[i].response.status_code, 0);
+    EXPECT_EQ(fetches[i].response.status_code, 200);
     EXPECT_TRUE(fetches[i].response.status_text.empty());
     EXPECT_EQ(fetches[i].response.response_type,
               blink::WebServiceWorkerResponseTypeDefault);
-    EXPECT_TRUE(fetches[i].response.headers.empty());
+    EXPECT_FALSE(fetches[i].response.headers.empty());
     EXPECT_EQ(fetches[i].response.error,
               blink::WebServiceWorkerResponseErrorUnknown);
 
     // Verify that all properties have a sensible value.
     EXPECT_FALSE(fetches[i].response.response_time.is_null());
 
     // Verify that the response blobs have been populated. We cannot consume
     // their data here since the handles have already been released.
     ASSERT_FALSE(fetches[i].response.blob_uuid.empty());
     ASSERT_GT(fetches[i].response.blob_size, 0u);
@@ skipping 138 matching lines @@
     const bool has_alternative_tag =
         tags[0] == kAlternativeTag || tags[1] == kAlternativeTag;
 
     EXPECT_TRUE(has_example_tag);
     EXPECT_TRUE(has_alternative_tag);
   }
 }
 
 }  // namespace
 }  // namespace content