Support DataSaver for SharedWorker

content/renderer/service_worker/worker_fetch_context_impl.h

Index: content/renderer/service_worker/worker_fetch_context_impl.h
diff --git a/content/renderer/service_worker/worker_fetch_context_impl.h b/content/renderer/service_worker/worker_fetch_context_impl.h
index 9e430b193ddad827099588198bae743af8e539e3..10ae2904d7feea2be2aa5c4ef380e4a8f6561c18 100644
--- a/content/renderer/service_worker/worker_fetch_context_impl.h
+++ b/content/renderer/service_worker/worker_fetch_context_impl.h
@@ -9,6 +9,7 @@
 #include "content/common/worker_url_loader_factory_provider.mojom.h"
 #include "mojo/public/cpp/bindings/associated_binding.h"
 #include "third_party/WebKit/public/platform/WebWorkerFetchContext.h"
+#include "third_party/WebKit/public/web/WebDataSaverFlag.h"
 
 namespace base {
 class SingleThreadTaskRunner;
@@ -30,8 +31,8 @@ class WorkerFetchContextImpl : public blink::WebWorkerFetchContext,
   std::unique_ptr<blink::WebURLLoader> CreateURLLoader() override;
   void WillSendRequest(blink::WebURLRequest&) override;
   bool IsControlledByServiceWorker() const override;
-  void SetDataSaverEnabled(bool) override;
-  bool IsDataSaverEnabled() const override;
+  void SetDataSaverFlag(blink::WebDataSaverFlag) override;
+  blink::WebDataSaverFlag DataSaverFlag() const override;
 
   // mojom::ServiceWorkerWorkerClient implementation:
   void SetControllerServiceWorker(int64_t controller_version_id) override;
@@ -56,7 +57,7 @@ class WorkerFetchContextImpl : public blink::WebWorkerFetchContext,
   // is called from the browser process via mojo IPC.
   int controller_version_id_ = kInvalidServiceWorkerVersionId;
 
-  bool is_data_saver_enabled_ = false;
+  blink::WebDataSaverFlag data_saver_flag_ = blink::WebDataSaverFlag::kDisabled;
 };
 
 }  // namespace content