chromium/src/third_party/blink/renderer/modules/crypto/dom_window_crypto.cc

/*
 * Copyright (C) 2013 Google Inc. All rights reserved.
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 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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#include "third_party/blink/renderer/modules/crypto/dom_window_crypto.h"

#include "third_party/blink/renderer/core/frame/local_dom_window.h"
#include "third_party/blink/renderer/modules/crypto/crypto.h"

namespace blink {

DOMWindowCrypto::DOMWindowCrypto(LocalDOMWindow& window)
    : Supplement<LocalDOMWindow>(window) {}

const char DOMWindowCrypto::kSupplementName[] = "DOMWindowCrypto";

DOMWindowCrypto& DOMWindowCrypto::From(LocalDOMWindow& window) {
  DOMWindowCrypto* supplement =
      Supplement<LocalDOMWindow>::From<DOMWindowCrypto>(window);
  if (!supplement) {
    supplement = MakeGarbageCollected<DOMWindowCrypto>(window);
    ProvideTo(window, supplement);
  }
  return *supplement;
}

Crypto* DOMWindowCrypto::crypto(LocalDOMWindow& window) {
  return DOMWindowCrypto::From(window).crypto();
}

Crypto* DOMWindowCrypto::crypto() const {
  if (!crypto_)
    crypto_ = MakeGarbageCollected<Crypto>();
  return crypto_.Get();
}

void DOMWindowCrypto::Trace(Visitor* visitor) const {
  visitor->Trace(crypto_);
  Supplement<LocalDOMWindow>::Trace(visitor);
}

}  // namespace blink