Add Network.setSendRequestIdHeader and use it in headless

third_party/WebKit/Source/platform/loader/fetch/RawResource.cpp

 /*
  * Copyright (C) 2011 Google Inc. All Rights Reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 229 matching lines @@
 
 static bool shouldIgnoreHeaderForCacheReuse(AtomicString headerName) {
   // FIXME: This list of headers that don't affect cache policy almost certainly
   // isn't complete.
   DEFINE_STATIC_LOCAL(
       HashSet<AtomicString>, headers,
       ({
           "Cache-Control", "If-Modified-Since", "If-None-Match", "Origin",
           "Pragma", "Purpose", "Referer", "User-Agent",
           HTTPNames::X_DevTools_Emulate_Network_Conditions_Client_Id,
+          HTTPNames::X_DevTools_Request_Id,
       }));
   return headers.contains(headerName);
 }
 
 static bool isCacheableHTTPMethod(const AtomicString& method) {
   // Per http://www.w3.org/Protocols/rfc2616/rfc2616-sec13.html#sec13.10,
   // these methods always invalidate the cache entry.
   return method != "POST" && method != "PUT" && method != "DELETE";
 }
 
@@ skipping 95 matching lines @@
   SECURITY_CHECK(m_state != NotAddedAsClient);
   SECURITY_CHECK(m_state != NotifyFinished);
   SECURITY_CHECK(resource->errorOccurred() ||
                  (m_state == ResponseReceived ||
                   m_state == SetSerializedCachedMetadata ||
                   m_state == DataReceived || m_state == DataDownloaded));
   m_state = NotifyFinished;
 }
 
 }  // namespace blink