Set the target type when creating the request for main resource

Source/platform/network/ResourceRequest.cpp

 /*
  * Copyright (C) 2003, 2006 Apple Computer, Inc.  All rights reserved.
  * Copyright (C) 2009, 2012 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
@@ skipping 356 matching lines @@
     m_downloadToFile = false;
     m_priority = ResourceLoadPriorityLow;
     m_intraPriorityValue = 0;
     m_requestorID = 0;
     m_requestorProcessID = 0;
     m_appCacheHostID = 0;
     m_targetType = TargetIsUnspecified;
     m_referrerPolicy = ReferrerPolicyDefault;
 }
 
+void ResourceRequest::setTargetTypeForMainResource(bool isMainFrame)
+{
+    m_targetType = isMainFrame ? TargetIsMainFrame : TargetIsSubframe;
+}
+
 // This is used by the loader to control the number of issued parallel load requests.
 unsigned initializeMaximumHTTPConnectionCountPerHost()
 {
     // The chromium network stack already handles limiting the number of
     // parallel requests per host, so there's no need to do it here.  Therefore,
     // this is set to a high value that should never be hit in practice.
     return 10000;
 }
 
 }