Revert "WebCrypto: Add the Key parameter to a number of operations." (r155013).

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 f212d2b8714ab282175db51cde1abd52dfeba31e..d8f93f4c00424ce5a2af3aa56835f29660a8cace 100644
--- a/Source/modules/crypto/SubtleCrypto.idl
+++ b/Source/modules/crypto/SubtleCrypto.idl
@@ -31,10 +31,10 @@
 [
     NoInterfaceObject,
 ] interface SubtleCrypto {
-    [RaisesException] CryptoOperation encrypt(Dictionary algorithm, Key key);
-    [RaisesException] CryptoOperation decrypt(Dictionary algorithm, Key key);
-    [RaisesException] CryptoOperation sign(Dictionary algorithm, Key key);
-    [RaisesException, ImplementedAs=verifySignature] CryptoOperation verify(Dictionary algorithm, Key key);
+    [RaisesException] CryptoOperation encrypt(Dictionary algorithm);
+    [RaisesException] CryptoOperation decrypt(Dictionary algorithm);
+    [RaisesException] CryptoOperation sign(Dictionary algorithm);
+    [RaisesException, ImplementedAs=verifySignature] CryptoOperation verify(Dictionary algorithm);
     [RaisesException] CryptoOperation digest(Dictionary algorithm);
 
     [RaisesException] any importKey(DOMString format, ArrayBufferView keyData, Dictionary algorithm, boolean extractable, DOMString[] keyUsages);