Fetch API: Stop lowercasing header names.

third_party/WebKit/Source/modules/fetch/Request.cpp

 // 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 "modules/fetch/Request.h"
 
 #include "bindings/core/v8/Dictionary.h"
 #include "bindings/core/v8/V8PrivateProperty.h"
 #include "core/dom/Document.h"
 #include "core/dom/ExecutionContext.h"
@@ skipping 686 matching lines @@
   web_request.SetRequestContext(request_->Context());
 
   // Strip off the fragment part of URL. So far, all users of
   // WebServiceWorkerRequest expect the fragment to be excluded.
   KURL url(request_->Url());
   if (request_->Url().HasFragmentIdentifier())
     url.RemoveFragmentIdentifier();
   web_request.SetURL(url);
 
   const FetchHeaderList* header_list = headers_->HeaderList();
-  for (size_t i = 0, size = header_list->size(); i < size; ++i) {
-    const FetchHeaderList::Header& header = header_list->Entry(i);
+  for (const auto& header : header_list->List()) {
     web_request.AppendHeader(header.first, header.second);
   }
 
   web_request.SetReferrer(
       request_->ReferrerString(),
       static_cast<WebReferrerPolicy>(request_->GetReferrerPolicy()));
   // FIXME: How can we set isReload properly? What is the correct place to load
   // it in to the Request object? We should investigate the right way to plumb
   // this information in to here.
 }
@@ skipping 17 matching lines @@
       .Set(request.As<v8::Object>(), body_buffer);
 }
 
 DEFINE_TRACE(Request) {
   Body::Trace(visitor);
   visitor->Trace(request_);
   visitor->Trace(headers_);
 }
 
 }  // namespace blink