bindings: Add validation for enum Sequence or Array

LayoutTests/webaudio/dom-exceptions-expected.txt

Index: LayoutTests/webaudio/dom-exceptions-expected.txt
diff --git a/LayoutTests/webaudio/dom-exceptions-expected.txt b/LayoutTests/webaudio/dom-exceptions-expected.txt
index 9f7d572af6893fdea65a8f538648a1479962cd9b..f61231ee7fa5ec4bdcd7ced4401b5ac59df7f0ae 100644
--- a/LayoutTests/webaudio/dom-exceptions-expected.txt
+++ b/LayoutTests/webaudio/dom-exceptions-expected.txt
@@ -1,9 +1,9 @@
-CONSOLE WARNING: The provided value 'fancy' is not a valid value of type 'ChannelCountMode'.
-CONSOLE WARNING: The provided value 'undefined' is not a valid value of type 'ChannelInterpretation'.
-CONSOLE WARNING: The provided value '9x' is not a valid value of type 'OverSampleType'.
+CONSOLE WARNING: The provided value 'fancy' is not a valid enum value.
+CONSOLE WARNING: The provided value 'undefined' is not a valid enum value.
+CONSOLE WARNING: The provided value '9x' is not a valid enum value.
 CONSOLE WARNING: Setting AudioBufferSourceNode.buffer more than once is deprecated and will no longer work in Chrome 43.
-CONSOLE WARNING: The provided value 'junk' is not a valid value of type 'ChannelCountMode'.
-CONSOLE WARNING: The provided value 'junk' is not a valid value of type 'ChannelCountMode'.
+CONSOLE WARNING: The provided value 'junk' is not a valid enum value.
+CONSOLE WARNING: The provided value 'junk' is not a valid enum value.
 Tests DOM exception messages
 
 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".