Add more missing closing namespace comments.

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/weborigin/Referrer.h"
@@ skipping 23 matching lines @@
     String credentials;
     String redirect;
     String integrity;
     // True if any members in RequestInit are set and hence the referrer member
     // should be used in the Request constructor.
     bool areAnyMembersSet;
     // True if the RequestInit |body| was created from a 'PasswordCredential' object.
     bool isCredentialRequest;
 };
 
-}
+} // namespace blink
 
 #endif // RequestInit_h