Fix V8 bindings for named constructors to set prototype object correctly

third_party/WebKit/Source/bindings/scripts/v8_attributes.py

Index: third_party/WebKit/Source/bindings/scripts/v8_attributes.py
diff --git a/third_party/WebKit/Source/bindings/scripts/v8_attributes.py b/third_party/WebKit/Source/bindings/scripts/v8_attributes.py
index 006bc6c2f922a7704e40d6a53df32e2bb9a2f4dd..6432714a40aa8429ddfc68862f0bb1286491f1a8 100644
--- a/third_party/WebKit/Source/bindings/scripts/v8_attributes.py
+++ b/third_party/WebKit/Source/bindings/scripts/v8_attributes.py
@@ -156,6 +156,7 @@ def attribute_context(interface, attribute, interfaces):
         'is_lenient_this': 'LenientThis' in extended_attributes,
         'is_nullable': idl_type.is_nullable,
         'is_explicit_nullable': idl_type.is_explicit_nullable,
+        'is_named_constructor': is_named_constructor_attribute(attribute),
         'is_partial_interface_member':
             'PartialInterfaceImplementedAs' in extended_attributes,
         'is_per_world_bindings': 'PerWorldBindings' in extended_attributes,
@@ -562,14 +563,16 @@ def has_custom_setter(attribute):
 ################################################################################
 
 idl_types.IdlType.constructor_type_name = property(
-    # FIXME: replace this with a [ConstructorAttribute] extended attribute
     lambda self: strip_suffix(self.base_type, 'Constructor'))
 
 
 def is_constructor_attribute(attribute):
-    # FIXME: replace this with [ConstructorAttribute] extended attribute
     return attribute.idl_type.name.endswith('Constructor')
 
 
+def is_named_constructor_attribute(attribute):
+    return attribute.idl_type.name.endswith('ConstructorConstructor')
+
+
 def update_constructor_attribute_context(interface, attribute, context):
     context['needs_constructor_getter_callback'] = context['measure_as'] or context['deprecate_as']