fetch: Drop Headers from HeadersInit typedef declaration.

content/browser/service_worker/service_worker_browsertest.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 <stddef.h>
 #include <stdint.h>
 
 #include <map>
 #include <memory>
 #include <utility>
@@ skipping 1212 matching lines @@
   ServiceWorkerResponse response;
   std::unique_ptr<storage::BlobDataHandle> blob_data_handle;
   InstallTestHelper("/service_worker/fetch_event.js", SERVICE_WORKER_OK);
   ActivateTestHelper("/service_worker/fetch_event.js", SERVICE_WORKER_OK);
 
   FetchOnRegisteredWorker(&result, &response, &blob_data_handle);
   ASSERT_EQ(SERVICE_WORKER_FETCH_EVENT_RESULT_RESPONSE, result);
   EXPECT_EQ(301, response.status_code);
   EXPECT_EQ("Moved Permanently", response.status_text);
   ServiceWorkerHeaderMap expected_headers;
-  expected_headers["Content-Language"] = "fi";
-  expected_headers["Content-Type"] = "text/html; charset=UTF-8";
+  expected_headers["content-language"] = "fi";
+  expected_headers["content-type"] = "text/html; charset=UTF-8";
   EXPECT_EQ(expected_headers, response.headers);
 
   std::string body;
   RunOnIOThread(
       base::Bind(&ReadResponseBody,
                  &body, base::Owned(blob_data_handle.release())));
   EXPECT_EQ("This resource is gone. Gone, gone, gone.", body);
 }
 
 IN_PROC_BROWSER_TEST_F(ServiceWorkerVersionBrowserTest,
@@ skipping 1758 matching lines @@
   // effect in CanSuspendRenderer().
   shell()->web_contents()->WasHidden();
   EXPECT_TRUE(rph->IsProcessBackgrounded());
 
   // The process which has service worker thread shouldn't be suspended.
   EXPECT_FALSE(memory_coordinator->CanSuspendRenderer(render_process_id));
 }
 #endif
 
 }  // namespace content