[webcrypto] Reject failed operations with a DOMException rather than null.

LayoutTests/crypto/unwrapKey-badParameters-expected.txt

Index: LayoutTests/crypto/unwrapKey-badParameters-expected.txt
diff --git a/LayoutTests/crypto/unwrapKey-badParameters-expected.txt b/LayoutTests/crypto/unwrapKey-badParameters-expected.txt
index e222406d9cbb393cc5daad7eadc5ecf84a1ad738..ea196430875dda52b43d0ec97a5798538c0a72be 100644
--- a/LayoutTests/crypto/unwrapKey-badParameters-expected.txt
+++ b/LayoutTests/crypto/unwrapKey-badParameters-expected.txt
@@ -1,22 +1,16 @@
-CONSOLE ERROR: Invalid wrappedKey argument
-CONSOLE ERROR: Invalid unwrappingKey argument
-CONSOLE ERROR: Algorithm: Not an object
-CONSOLE ERROR: Invalid keyFormat argument
-CONSOLE ERROR: Algorithm: SHA-1: Unsupported operation
-CONSOLE ERROR: key.algorithm does not match that of operation
 Tests calls to unwrapKey() with bad inputs.
 
 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
 
 
-PASS error is null
-PASS error is null
-PASS error is: TypeError: The 7th argument is neither an array, nor does it have indexed properties.
-PASS error is null
-PASS error is: TypeError: Failed to execute 'unwrapKey' on 'SubtleCrypto': parameter 5 ('unwrappedKeyAlgorithm') is not an object.
-PASS error is null
-PASS error is null
-PASS error is null
+error is: DataError: Invalid wrappedKey argument
+error is: DataError: Invalid unwrappingKey argument
+error is: TypeError: The 7th argument is neither an array, nor does it have indexed properties.
+error is: SyntaxError: Algorithm: Not an object
+error is: TypeError: Failed to execute 'unwrapKey' on 'SubtleCrypto': parameter 5 ('unwrappedKeyAlgorithm') is not an object.
+error is: SyntaxError: Invalid keyFormat argument
+error is: NotSupportedError: SHA-1: Unsupported operation: unwrapKey
+error is: InvalidAccessError: key.algorithm does not match that of operation
 PASS successfullyParsed is true
 
 TEST COMPLETE