[webcrypto] Require importKey() for JWK to provide data as a Javascript object rather than a JSON a…

Source/modules/crypto/SubtleCrypto.idl

Index: Source/modules/crypto/SubtleCrypto.idl
diff --git a/Source/modules/crypto/SubtleCrypto.idl b/Source/modules/crypto/SubtleCrypto.idl
index 2ce3c7ddf9cfbd2157cdea2e87ad39a4cb060123..da23af3e960fb7022cbd5fb1990017563ca5204e 100644
--- a/Source/modules/crypto/SubtleCrypto.idl
+++ b/Source/modules/crypto/SubtleCrypto.idl
@@ -59,6 +59,7 @@ typedef (ArrayBuffer or ArrayBufferView) CryptoOperationData;
 
     [CallWith=ScriptState] Promise importKey(KeyFormat format, ArrayBuffer keyData, Dictionary algorithm, boolean extractable, KeyUsage[] keyUsages);
     [CallWith=ScriptState] Promise importKey(KeyFormat format, ArrayBufferView keyData, Dictionary algorithm, boolean extractable, KeyUsage[] keyUsages);
+    [CallWith=ScriptState] Promise importKey(KeyFormat format, Dictionary keyData, Dictionary algorithm, boolean extractable, KeyUsage[] keyUsages);
 
     [CallWith=ScriptState] Promise exportKey(KeyFormat format, Key key);