Should reset "Save-Data" header on all kinds of reloads

third_party/WebKit/Source/core/loader/FrameFetchContext.cpp

 /*
  * Copyright (C) 2013 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 357 matching lines @@
 
   if (m_document) {
     request.setExternalRequestStateFromRequestorAddressSpace(
         m_document->addressSpace());
   }
 
   // The remaining modifications are only necessary for HTTP and HTTPS.
   if (!request.url().isEmpty() && !request.url().protocolIsInHTTPFamily())
     return;
 
-  if (masterDocumentLoader()->loadType() == FrameLoadTypeReload)
+  // Reload should reflect the current data saver setting.
+  if (isReloadLoadType(masterDocumentLoader()->loadType()))
     request.clearHTTPHeaderField("Save-Data");
 
   if (frame()->settings() && frame()->settings()->getDataSaverEnabled())
     request.setHTTPHeaderField("Save-Data", "on");
 }
 
 WebCachePolicy FrameFetchContext::resourceRequestCachePolicy(
     ResourceRequest& request,
     Resource::Type type,
     FetchRequest::DeferOption defer) const {
@@ skipping 691 matching lines @@
                                                     response);
 }
 
 DEFINE_TRACE(FrameFetchContext) {
   visitor->trace(m_document);
   visitor->trace(m_documentLoader);
   FetchContext::trace(visitor);
 }
 
 }  // namespace blink