Hoist 7fd65affabd9ab49b254fefce968a9eafabf1fbf as its own patch

1 files changed, 29 insertions, 0 deletions

diff --git a/components/script/dom/bindings/codegen/parser/bytestring.patch b/components/script/dom/bindings/codegen/parser/bytestring.patch
new file mode 100644
index 00000000000..823f14cf996
--- /dev/null
+++ b/components/script/dom/bindings/codegen/parser/bytestring.patch
@@ -0,0 +1,29 @@
+--- WebIDL.py
++++ WebIDL.py
+@@ -3391,6 +3391,11 @@ class IDLValue(IDLObject):
+             # extra normalization step.
+             assert self.type.isDOMString()
+             return self
++        elif self.type.isString() and type.isByteString():
++            # Allow ByteStrings to use default value just like
++            # DOMString.  No coercion is required here.
++            assert self.type.isDOMString()
++            return self
+         raise WebIDLError("Cannot coerce type %s to type %s." %
+                           (self.type, type), [location])
+
+@@ -5759,6 +5764,14 @@ class Parser(Tokenizer):
+         booleanType = BuiltinTypes[IDLBuiltinType.Types.boolean]
+         p[0] = IDLValue(location, booleanType, p[1])
+
++    def p_ConstValueByteString(self, p):
++        """
++            ConstValue : BYTESTRING
++        """
++        location = self.getLocation(p, 1)
++        bytestringType = BuiltinTypes[IDLBuiltinType.Types.bytestring]
++        p[0] = IDLValue(location, bytestringType, p[1])
++
+     def p_ConstValueInteger(self, p):
+         """
+             ConstValue : INTEGER