Import sequence inner types if it appears in dictionary members

1 files changed, 8 insertions, 2 deletions

diff --git a/components/script/dom/bindings/codegen/Configuration.py b/components/script/dom/bindings/codegen/Configuration.py
index 56141e52b09..0ab27151bb6 100644
--- a/components/script/dom/bindings/codegen/Configuration.py
+++ b/components/script/dom/bindings/codegen/Configuration.py
@@ -4,7 +4,7 @@
 
 import os
 
-from WebIDL import IDLExternalInterface, IDLWrapperType, WebIDLError
+from WebIDL import IDLExternalInterface, IDLSequenceType, IDLWrapperType, WebIDLError
 
 
 class Configuration:
@@ -457,7 +457,7 @@ def getTypesFromDictionary(dictionary):
     types = []
     curDict = dictionary
     while curDict:
-        types.extend([m.type for m in curDict.members])
+        types.extend([getUnwrappedType(m.type) for m in curDict.members])
         curDict = curDict.parent
     return types
 
@@ -473,6 +473,12 @@ def getTypesFromCallback(callback):
     return types
 
 
+def getUnwrappedType(type):
+    while isinstance(type, IDLSequenceType):
+        type = type.inner
+    return type
+
+
 def iteratorNativeType(descriptor, infer=False):
     assert descriptor.interface.isIterable()
     iterableDecl = descriptor.interface.maplikeOrSetlikeOrIterable