Expose crypto.getRandomValues() to workers.

Source/modules/crypto/WorkerContextCrypto.cpp

 /*
  * Copyright (C) 2013 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 11 matching lines @@
  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
-#include "modules/crypto/DOMWindowCrypto.h"
+#include "modules/crypto/WorkerContextCrypto.h"
 
-#include "core/page/DOMWindow.h"
-#include "core/page/Frame.h"
-#include "modules/crypto/Crypto.h"
+#include "core/dom/ScriptExecutionContext.h"
+#include "modules/crypto/RandomSource.h"
 
 namespace WebCore {
 
-DOMWindowCrypto::DOMWindowCrypto(DOMWindow* window)
-    : DOMWindowProperty(window->frame())
+WorkerContextCrypto::WorkerContextCrypto()
 {
 }
 
-DOMWindowCrypto::~DOMWindowCrypto()
+WorkerContextCrypto::~WorkerContextCrypto()
 {
 }
 
-const char* DOMWindowCrypto::supplementName()
+const char* WorkerContextCrypto::supplementName()
 {
-    return "DOMWindowCrypto";
+    return "WorkerContextCrypto";
 }
 
 // static
-DOMWindowCrypto* DOMWindowCrypto::from(DOMWindow* window)
+WorkerContextCrypto* WorkerContextCrypto::from(ScriptExecutionContext* context)
 {
-    DOMWindowCrypto* supplement = static_cast<DOMWindowCrypto*>(Supplement<DOMWindow>::from(window, supplementName()));
+    WorkerContextCrypto* supplement = static_cast<WorkerContextCrypto*>(Supplement<ScriptExecutionContext>::from(context, supplementName()));
     if (!supplement) {
-        supplement = new DOMWindowCrypto(window);
-        provideTo(window, supplementName(), adoptPtr(supplement));
+        supplement = new WorkerContextCrypto();
+        provideTo(context, supplementName(), adoptPtr(supplement));
     }
     return supplement;
 }
 
 // static
-Crypto* DOMWindowCrypto::crypto(DOMWindow* window)
+RandomSource* WorkerContextCrypto::crypto(ScriptExecutionContext* context)
 {
-    return DOMWindowCrypto::from(window)->crypto();
+    return WorkerContextCrypto::from(context)->crypto();
 }
 
-Crypto* DOMWindowCrypto::crypto() const
+RandomSource* WorkerContextCrypto::crypto() const
 {
-    if (!m_crypto && frame())
-        m_crypto = Crypto::create();
+    if (!m_crypto)
+        m_crypto = RandomSource::create();
     return m_crypto.get();
 }
 
 } // namespace WebCore