Add ByteString support to IDL bindings

Source/bindings/scripts/idl_types.py

Index: Source/bindings/scripts/idl_types.py
diff --git a/Source/bindings/scripts/idl_types.py b/Source/bindings/scripts/idl_types.py
index 5d6c1ced8fb45d335567bd6134a37bc8fec09d06..e7acaef6e95b30b1f1e8c334c93fb7420fd68cb4 100644
--- a/Source/bindings/scripts/idl_types.py
+++ b/Source/bindings/scripts/idl_types.py
@@ -38,10 +38,11 @@ NUMERIC_TYPES = (INTEGER_TYPES | frozenset([
 PRIMITIVE_TYPES = (frozenset(['boolean']) | NUMERIC_TYPES)
 BASIC_TYPES = (PRIMITIVE_TYPES | frozenset([
     # Built-in, non-composite, non-object data types
-    # http://www.w3.org/TR/WebIDL/#idl-types
+    # http://heycam.github.io/webidl/#idl-types
     'DOMString',
+    'ByteString',
     'Date',
-    # http://www.w3.org/TR/WebIDL/#es-type-mapping
+    # http://heycam.github.io/webidl/#es-type-mapping
     'void',
 ]))
 TYPE_NAMES = {
@@ -63,6 +64,7 @@ TYPE_NAMES = {
     'DOMString': 'String',
     'ByteString': 'ByteString',
     'object': 'Object',
+    'Date': 'Date',
 }