Fetch: Make Headers' constructor match the current spec IDL.

third_party/WebKit/Source/modules/fetch/RequestInit.h

 // 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.
 
 #ifndef RequestInit_h
 #define RequestInit_h
 
 #include "bindings/core/v8/Dictionary.h"
 #include "platform/heap/Handle.h"
 #include "platform/network/EncodedFormData.h"
@@ skipping 10 matching lines @@
 
 // FIXME: Use IDL dictionary instead of this class.
 class RequestInit {
   STACK_ALLOCATED();
 
  public:
   explicit RequestInit(ExecutionContext*, const Dictionary&, ExceptionState&);
 
   String method;
   Member<Headers> headers;
-  Dictionary headersDictionary;
   String contentType;
   Member<BytesConsumer> body;
   Referrer referrer;
   String mode;
   String credentials;
   String redirect;
   String integrity;
   RefPtr<EncodedFormData> attachedCredential;
   // True if any members in RequestInit are set and hence the referrer member
   // should be used in the Request constructor.
   bool areAnyMembersSet;
 };
 
 }  // namespace blink
 
 #endif  // RequestInit_h