Support DataSaver for SharedWorker

third_party/WebKit/Source/core/testing/InternalSettings.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  * Copyright (C) 2013 Apple 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 535 matching lines @@
   } else if (policy_str == "user-gesture-required-for-cross-origin") {
     policy = AutoplayPolicy::Type::kUserGestureRequiredForCrossOrigin;
   } else {
     exception_state.ThrowDOMException(
         kSyntaxError, "The autoplay policy ('" + policy_str + ")' is invalid.");
   }
 
   GetSettings()->SetAutoplayPolicy(policy);
 }
 
+void InternalSettings::setDataSaverEnabled(bool enabled,
+                                           ExceptionState& exception_state) {
+  InternalSettingsGuardForSettings();
+  GetSettings()->SetDataSaverFlag(enabled ? WebDataSaverFlag::kEnabled
+                                          : WebDataSaverFlag::kDisabled);
+}
+
 }  // namespace blink