Support DataSaver for SharedWorker

third_party/WebKit/public/web/WebSharedWorker.h

 /*
  * Copyright (C) 2009 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 36 matching lines @@
  public:
   // Instantiate a WebSharedWorker that interacts with the shared worker.
   // WebSharedWorkerClient given here must outlive or have the identical
   // lifetime as this instance.
   BLINK_EXPORT static WebSharedWorker* Create(WebSharedWorkerClient*);
 
   virtual void StartWorkerContext(const WebURL& script_url,
                                   const WebString& name,
                                   const WebString& content_security_policy,
                                   WebContentSecurityPolicyType,
-                                  WebAddressSpace) = 0;
+                                  WebAddressSpace,
+                                  bool data_saver_enabled) = 0;
 
   // Sends a connect event to the SharedWorker context.
   virtual void Connect(std::unique_ptr<WebMessagePortChannel>) = 0;
 
   // Invoked to shutdown the worker when there are no more associated documents.
   // This eventually deletes this instance.
   virtual void TerminateWorkerContext() = 0;
 
   virtual void PauseWorkerContextOnStart() = 0;
   virtual void AttachDevTools(const WebString& host_id, int session_id) = 0;
   virtual void ReattachDevTools(const WebString& host_id,
                                 int session_id,
                                 const WebString& saved_state) = 0;
   virtual void DetachDevTools(int session_id) = 0;
   virtual void DispatchDevToolsMessage(int session_id,
                                        int call_id,
                                        const WebString& method,
                                        const WebString& message) = 0;
 };
 
 }  // namespace blink
 
 #endif