bindings: Support (deprecated) Dictionary in IDL dictionary

Source/bindings/scripts/v8_dictionary.py

Index: Source/bindings/scripts/v8_dictionary.py
diff --git a/Source/bindings/scripts/v8_dictionary.py b/Source/bindings/scripts/v8_dictionary.py
index 36129b552e2688af954c900efa4b5596a7391b66..319030a3dd711e76334798aac16a9961cf721cb7 100644
--- a/Source/bindings/scripts/v8_dictionary.py
+++ b/Source/bindings/scripts/v8_dictionary.py
@@ -99,6 +99,7 @@ def member_context(dictionary, member):
 
     cpp_default_value, v8_default_value = default_values()
     cpp_name = v8_utilities.cpp_name(member)
+    is_deprecated_dictionary = unwrapped_idl_type.name == 'Dictionary'
 
     return {
         'cpp_default_value': cpp_default_value,
@@ -113,9 +114,9 @@ def member_context(dictionary, member):
         'enum_values': unwrapped_idl_type.enum_values,
         'has_method_name': has_method_name_for_dictionary_member(member),
         'idl_type': idl_type.base_type,
-        'is_interface_type': idl_type.is_interface_type and not idl_type.is_dictionary,
+        'is_interface_type': idl_type.is_interface_type and not (idl_type.is_dictionary_type or is_deprecated_dictionary),
         'is_nullable': idl_type.is_nullable,
-        'is_object': unwrapped_idl_type.name == 'Object',
+        'is_object': unwrapped_idl_type.name == 'Object' or is_deprecated_dictionary,
         'is_required': member.is_required,
         'name': member.name,
         'setter_name': setter_name_for_dictionary_member(member),
@@ -177,6 +178,8 @@ def member_impl_context(member, interfaces_info, header_includes):
             return '!m_%s.isNull()' % cpp_name
         elif idl_type.name in ['Any', 'Object']:
             return '!(m_{0}.isEmpty() || m_{0}.isNull() || m_{0}.isUndefined())'.format(cpp_name)
+        elif idl_type.name == 'Dictionary':
+            return '!m_%s.isUndefinedOrNull()' % cpp_name
         else:
             return 'm_%s' % cpp_name