Add a value for end-to-end reloads in Cache policy

Source/platform/network/ResourceRequest.h

 /*
  * Copyright (C) 2003, 2006 Apple Computer, Inc.  All rights reserved.
  * Copyright (C) 2006 Samuel Weinig <sam.weinig@gmail.com>
  * 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.
@@ skipping 24 matching lines @@
 #include "platform/weborigin/KURL.h"
 #include "platform/weborigin/Referrer.h"
 #include "wtf/OwnPtr.h"
 
 namespace WebCore {
 
 enum ResourceRequestCachePolicy {
     UseProtocolCachePolicy, // normal load
     ReloadIgnoringCacheData, // reload
     ReturnCacheDataElseLoad, // back/forward or encoding change - allow stale data
-    ReturnCacheDataDontLoad  // results of a post - allow stale data and only use cache
+    ReturnCacheDataDontLoad, // results of a post - allow stale data and only use cache
+    ReloadBypassingCache, // end-to-end reload
 };
 
 struct CrossThreadResourceRequestData;
 
 class PLATFORM_EXPORT ResourceRequest {
     WTF_MAKE_FAST_ALLOCATED;
 public:
     // The type of this ResourceRequest, based on how the resource will be used.
     enum TargetType {
         TargetIsMainFrame,
@@ skipping 219 matching lines @@
     int m_appCacheHostID;
     ResourceRequest::TargetType m_targetType;
     ReferrerPolicy m_referrerPolicy;
 };
 
 unsigned initializeMaximumHTTPConnectionCountPerHost();
 
 } // namespace WebCore
 
 #endif // ResourceRequest_h