Support DataSaver for SharedWorker

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 206 matching lines @@
 
   // The remaining modifications are only necessary for HTTP and HTTPS.
   if (!request.Url().IsEmpty() && !request.Url().ProtocolIsInHTTPFamily())
     return;
 
   // Reload should reflect the current data saver setting.
   if (IsReloadLoadType(MasterDocumentLoader()->LoadType()))
     request.ClearHTTPHeaderField("Save-Data");
 
   if (GetFrame()->GetSettings() &&
-      GetFrame()->GetSettings()->GetDataSaverEnabled())
+      GetFrame()->GetSettings()->GetDataSaverFlag() ==
+          WebDataSaverFlag::kEnabled)
     request.SetHTTPHeaderField("Save-Data", "on");
 }
 
 // TODO(toyoshim, arthursonzogni): PlzNavigate doesn't use this function to set
 // the ResourceRequest's cache policy. The cache policy determination needs to
 // be factored out from FrameFetchContext and moved to the FrameLoader for
 // instance.
 WebCachePolicy FrameFetchContext::ResourceRequestCachePolicy(
     const ResourceRequest& request,
     Resource::Type type,
@@ skipping 541 matching lines @@
 std::unique_ptr<WebURLLoader> FrameFetchContext::CreateURLLoader() {
   return Platform::Current()->CreateURLLoader();
 }
 
 DEFINE_TRACE(FrameFetchContext) {
   visitor->Trace(document_loader_);
   BaseFetchContext::Trace(visitor);
 }
 
 }  // namespace blink