1 files changed, 27 insertions, 29 deletions
diff --git a/Source/WebCore/page/Crypto.cpp b/Source/WebCore/page/Crypto.cpp
index 335873051..5bb80925f 100644
--- a/Source/WebCore/page/Crypto.cpp
+++ b/Source/WebCore/page/Crypto.cpp
@@ -34,22 +34,17 @@
 #include "Document.h"
 #include "ExceptionCode.h"
 #include "SubtleCrypto.h"
+#include "WebKitSubtleCrypto.h"
 #include <runtime/ArrayBufferView.h>
 #include <wtf/CryptographicallyRandomNumber.h>
 
 namespace WebCore {
 
-namespace {
-
-bool isIntegerArray(ArrayBufferView* array)
-{
-    return JSC::isInt(array->getType());
-}
-
-}
-
-Crypto::Crypto(Document& document)
-    : ContextDestructionObserver(&document)
+Crypto::Crypto(ScriptExecutionContext& context)
+    : ContextDestructionObserver(&context)
+#if ENABLE(SUBTLE_CRYPTO)
+    , m_subtle(SubtleCrypto::create(context))
+#endif
 {
 }
 
@@ -57,33 +52,36 @@ Crypto::~Crypto()
 {
 }
 
-Document* Crypto::document() const
+ExceptionOr<void> Crypto::getRandomValues(ArrayBufferView& array)
 {
-    return toDocument(scriptExecutionContext());
+    if (!isInt(array.getType()))
+        return Exception { TYPE_MISMATCH_ERR };
+    if (array.byteLength() > 65536)
+        return Exception { QUOTA_EXCEEDED_ERR };
+    cryptographicallyRandomValues(array.baseAddress(), array.byteLength());
+    return { };
 }
 
-void Crypto::getRandomValues(ArrayBufferView* array, ExceptionCode& ec)
+#if ENABLE(SUBTLE_CRYPTO)
+
+SubtleCrypto& Crypto::subtle()
 {
-    if (!array || !isIntegerArray(array)) {
-        ec = TYPE_MISMATCH_ERR;
-        return;
-    }
-    if (array->byteLength() > 65536) {
-        ec = QUOTA_EXCEEDED_ERR;
-        return;
-    }
-    cryptographicallyRandomValues(array->baseAddress(), array->byteLength());
+    return m_subtle;
 }
 
-#if ENABLE(SUBTLE_CRYPTO)
-SubtleCrypto* Crypto::subtle()
+ExceptionOr<WebKitSubtleCrypto&> Crypto::webkitSubtle()
 {
-    ASSERT(isMainThread());
-    if (!m_subtle)
-        m_subtle = SubtleCrypto::create(*document());
+    if (!isMainThread())
+        return Exception { NOT_SUPPORTED_ERR };
+
+    if (!m_webkitSubtle) {
+        m_webkitSubtle = WebKitSubtleCrypto::create(*downcast<Document>(scriptExecutionContext()));
+        scriptExecutionContext()->addConsoleMessage(MessageSource::Other, MessageLevel::Warning, ASCIILiteral("WebKitSubtleCrypto is deprecated. Please use SubtleCrypto instead."));
+    }
 
-    return m_subtle.get();
+    return *m_webkitSubtle;
 }
+
 #endif
 
 }