Update mojo sdk to rev 8af2ccff2eee4bfca1043015abee30482a030b30

third_party/mojo/src/mojo/public/tools/bindings/pylib/mojom/generate/module.py

Index: third_party/mojo/src/mojo/public/tools/bindings/pylib/mojom/generate/module.py
diff --git a/third_party/mojo/src/mojo/public/tools/bindings/pylib/mojom/generate/module.py b/third_party/mojo/src/mojo/public/tools/bindings/pylib/mojom/generate/module.py
index 8a0f56ba55a9b52345db3386a0ce23e287a38668..c2e59a690048b8ccadf093572e4b72503b057e26 100644
--- a/third_party/mojo/src/mojo/public/tools/bindings/pylib/mojom/generate/module.py
+++ b/third_party/mojo/src/mojo/public/tools/bindings/pylib/mojom/generate/module.py
@@ -171,10 +171,11 @@ class EnumValue(NamedValue):
 
 
 class Constant(object):
-  def __init__(self, name=None, kind=None, value=None):
+  def __init__(self, name=None, kind=None, value=None, parent_kind=None):
     self.name = name
     self.kind = kind
     self.value = value
+    self.parent_kind = parent_kind
 
 
 class Field(object):
@@ -464,6 +465,10 @@ def IsStructKind(kind):
   return isinstance(kind, Struct)
 
 
+def IsUnionKind(kind):
+  return isinstance(kind, Union)
+
+
 def IsArrayKind(kind):
   return isinstance(kind, Array)
 
@@ -494,7 +499,7 @@ def IsMapKind(kind):
 
 def IsObjectKind(kind):
   return (IsStructKind(kind) or IsArrayKind(kind) or IsStringKind(kind) or
-          IsMapKind(kind))
+          IsMapKind(kind) or IsUnionKind(kind))
 
 
 def IsNonInterfaceHandleKind(kind):
@@ -512,7 +517,8 @@ def IsAnyHandleKind(kind):
 
 
 def IsMoveOnlyKind(kind):
-  return IsObjectKind(kind) or IsAnyHandleKind(kind)
+  return (not IsStringKind(kind) and IsObjectKind(kind)) or \
+      IsAnyHandleKind(kind)
 
 
 def IsCloneableKind(kind):
@@ -525,7 +531,7 @@ def IsCloneableKind(kind):
       return True
     if IsArrayKind(kind):
       return ContainsHandles(kind.kind, visited_kinds)
-    if IsStructKind(kind):
+    if IsStructKind(kind) or IsUnionKind(kind):
       for field in kind.fields:
         if ContainsHandles(field.kind, visited_kinds):
           return True