Throw TypeError if value conversion to transferable fails.

LayoutTests/fast/events/message-port-multi-expected.txt

Index: LayoutTests/fast/events/message-port-multi-expected.txt
diff --git a/LayoutTests/fast/events/message-port-multi-expected.txt b/LayoutTests/fast/events/message-port-multi-expected.txt
index 258755d3a8d931e953ddb036a472b710df88355b..1359e9eb99f5a1e2f679ed9d5cfc69aec9b8cd58 100644
--- a/LayoutTests/fast/events/message-port-multi-expected.txt
+++ b/LayoutTests/fast/events/message-port-multi-expected.txt
@@ -4,13 +4,13 @@ On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE
 
 
 PASS channel.port1.postMessage("same port", [channel.port1]) threw exception DataCloneError: Failed to execute 'postMessage' on 'MessagePort': Port at index 0 contains the source port..
-PASS channel.port1.postMessage("null port", [channel3.port1, null, channel3.port2]) threw exception DataCloneError: Failed to execute 'postMessage' on 'MessagePort': Value at index 1 is an untransferable 'null' value..
-PASS channel.port1.postMessage("notAPort", [channel3.port1, {}, channel3.port2]) threw exception DataCloneError: Failed to execute 'postMessage' on 'MessagePort': Value at index 1 does not have a transferable type..
+PASS channel.port1.postMessage("null port", [channel3.port1, null, channel3.port2]) threw exception TypeError: Failed to execute 'postMessage' on 'MessagePort': Value at index 1 is an untransferable 'null' value..
+PASS channel.port1.postMessage("notAPort", [channel3.port1, {}, channel3.port2]) threw exception TypeError: Failed to execute 'postMessage' on 'MessagePort': Value at index 1 does not have a transferable type..
 PASS channel.port1.postMessage("duplicate port", [channel3.port1, channel3.port1]) threw exception DataCloneError: Failed to execute 'postMessage' on 'MessagePort': Message port at index 1 is a duplicate of an earlier port..
 PASS channel.port1.postMessage("notAnArray", channel3.port1) threw exception TypeError: Failed to execute 'postMessage' on 'MessagePort': The 2nd argument is neither an array, nor does it have indexed properties..
-PASS channel.port1.postMessage("notASequence", [{length: 3}]) threw exception DataCloneError: Failed to execute 'postMessage' on 'MessagePort': Value at index 0 does not have a transferable type..
+PASS channel.port1.postMessage("notASequence", [{length: 3}]) threw exception TypeError: Failed to execute 'postMessage' on 'MessagePort': Value at index 0 does not have a transferable type..
 PASS channel.port1.postMessage("duplicate buffer", [arrayBuffer, arrayBuffer]) threw exception DataCloneError: Failed to execute 'postMessage' on 'MessagePort': ArrayBuffer at index 1 is a duplicate of an earlier ArrayBuffer..
-PASS channel.port1.postMessage("largeSequence", largePortArray) threw exception DataCloneError: Failed to execute 'postMessage' on 'MessagePort': Value at index 0 is an untransferable 'undefined' value..
+PASS channel.port1.postMessage("largeSequence", largePortArray) threw exception TypeError: Failed to execute 'postMessage' on 'MessagePort': Value at index 0 is an untransferable 'undefined' value..
 PASS successfullyParsed is true
 
 TEST COMPLETE