Support DataSaver for SharedWorker

content/public/common/web_preferences.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_PUBLIC_COMMON_WEB_PREFERENCES_H_
 #define CONTENT_PUBLIC_COMMON_WEB_PREFERENCES_H_
 
 #include <map>
 #include <string>
 #include <vector>
 
 #include "base/strings/string16.h"
 #include "base/time/time.h"
 #include "build/build_config.h"
 #include "content/common/content_export.h"
+#include "third_party/WebKit/public/web/WebDataSaverFlag.h"
 #include "ui/base/touch/touch_device.h"
 #include "url/gurl.h"
 
 namespace blink {
 class WebView;
 }
 
 namespace content {
 
 // Map of ISO 15924 four-letter script code to font family.  For example,
@@ skipping 87 matching lines @@
   bool remote_fonts_enabled;
   bool javascript_can_access_clipboard;
   bool xslt_enabled;
   bool xss_auditor_enabled;
   // We don't use dns_prefetching_enabled to disable DNS prefetching.  Instead,
   // we disable the feature at a lower layer so that we catch non-WebKit uses
   // of DNS prefetch as well.
   bool dns_prefetching_enabled;
   // Preference to save data. When enabled, requests will contain the header
   // 'Save-Data: on'.
-  bool data_saver_enabled;
+  blink::WebDataSaverFlag data_saver_flag;
   bool local_storage_enabled;
   bool databases_enabled;
   bool application_cache_enabled;
   bool tabs_to_links;
   bool history_entry_requires_user_gesture;
   bool hyperlink_auditing_enabled;
   bool allow_universal_access_from_file_urls;
   bool allow_file_access_from_file_urls;
   bool experimental_webgl_enabled;
   bool pepper_3d_enabled;
@@ skipping 168 matching lines @@
   // chrome, except for the cases where it would require lots of extra work for
   // the embedder to use the same default value.
   WebPreferences();
   WebPreferences(const WebPreferences& other);
   ~WebPreferences();
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_COMMON_WEB_PREFERENCES_H_