Upstream version 9.38.198.0
[platform/framework/web/crosswalk.git] / src / third_party / WebKit / Source / modules / crypto / WorkerGlobalScopeCrypto.cpp
1 /*
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6  * met:
7  *
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9  * notice, this list of conditions and the following disclaimer.
10  *     * Redistributions in binary form must reproduce the above
11  * copyright notice, this list of conditions and the following disclaimer
12  * in the documentation and/or other materials provided with the
13  * distribution.
14  *     * Neither the name of Google Inc. nor the names of its
15  * contributors may be used to endorse or promote products derived from
16  * this software without specific prior written permission.
17  *
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19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29  */
30
31 #include "config.h"
32 #include "modules/crypto/WorkerGlobalScopeCrypto.h"
33
34 #include "core/dom/ExecutionContext.h"
35 #include "modules/crypto/Crypto.h"
36
37 namespace blink {
38
39 WorkerGlobalScopeCrypto::WorkerGlobalScopeCrypto()
40 {
41 }
42
43 const char* WorkerGlobalScopeCrypto::supplementName()
44 {
45     return "WorkerGlobalScopeCrypto";
46 }
47
48 WorkerGlobalScopeCrypto& WorkerGlobalScopeCrypto::from(WillBeHeapSupplementable<WorkerGlobalScope>& context)
49 {
50     WorkerGlobalScopeCrypto* supplement = static_cast<WorkerGlobalScopeCrypto*>(WillBeHeapSupplement<WorkerGlobalScope>::from(context, supplementName()));
51     if (!supplement) {
52         supplement = new WorkerGlobalScopeCrypto();
53         provideTo(context, supplementName(), adoptPtrWillBeNoop(supplement));
54     }
55     return *supplement;
56 }
57
58 Crypto* WorkerGlobalScopeCrypto::crypto(WillBeHeapSupplementable<WorkerGlobalScope>& context)
59 {
60     return WorkerGlobalScopeCrypto::from(context).crypto();
61 }
62
63 Crypto* WorkerGlobalScopeCrypto::crypto() const
64 {
65     if (!m_crypto)
66         m_crypto = Crypto::create();
67     return m_crypto.get();
68 }
69
70 void WorkerGlobalScopeCrypto::trace(Visitor* visitor)
71 {
72     visitor->trace(m_crypto);
73     WillBeHeapSupplement<WorkerGlobalScope>::trace(visitor);
74 }
75
76 } // namespace blink