text: // 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 THIRD_PARTY_BLINK_RENDERER_MODULES_BEACON_NAVIGATOR_BEACON_H_
  #define THIRD_PARTY_BLINK_RENDERER_MODULES_BEACON_NAVIGATOR_BEACON_H_
  
  #include "third_party/blink/renderer/bindings/core/v8/v8_typedefs.h"
  #include "third_party/blink/renderer/core/frame/navigator.h"
  #include "third_party/blink/renderer/platform/heap/handle.h"
  #include "third_party/blink/renderer/platform/supplementable.h"
  
  namespace blink {
  
  class ScriptState;
  class ExceptionState;
  class KURL;
  
  class NavigatorBeacon final : public GarbageCollected<NavigatorBeacon>,
                                public Supplement<Navigator> {
   public:
    static const char kSupplementName[];
  
    static NavigatorBeacon& From(Navigator&);
  
    explicit NavigatorBeacon(Navigator&);
    virtual ~NavigatorBeacon();
  
    static bool sendBeacon(
        ScriptState* script_state,
        Navigator& navigator,
        const String& url_string,
        const V8UnionReadableStreamOrXMLHttpRequestBodyInit* data,
        ExceptionState& exception_state);
  
    void Trace(Visitor*) const override;
  
   private:
    bool SendBeaconImpl(ScriptState* script_state,
                        const String& url_string,
                        const V8UnionReadableStreamOrXMLHttpRequestBodyInit* data,
                        ExceptionState& exception_state);
    bool CanSendBeacon(ExecutionContext*, const KURL&, ExceptionState&);
  };
  
  }  // namespace blink
  
  #endif  // THIRD_PARTY_BLINK_RENDERER_MODULES_BEACON_NAVIGATOR_BEACON_H_
  