Make [TypeChecking=Interface] the default

third_party/WebKit/Source/bindings/scripts/v8_utilities.py

 # Copyright (C) 2013 Google Inc. All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 # notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 # copyright notice, this list of conditions and the following disclaimer
@@ skipping 384 matching lines @@
     return 'RuntimeEnabledFeatures::%sEnabled' % uncapitalize(feature_name)
 
 
 # [Unforgeable]
 def is_unforgeable(interface, member):
     return (('Unforgeable' in interface.extended_attributes or
              'Unforgeable' in member.extended_attributes) and
             not member.is_static)
 
 
-# [TypeChecking=Interface] / [LegacyInterfaceTypeChecking]
+# [LegacyInterfaceTypeChecking]
 def is_legacy_interface_type_checking(interface, member):
-    if not ('TypeChecking' in interface.extended_attributes or
-            'TypeChecking' in member.extended_attributes):
-        return True
-    if 'LegacyInterfaceTypeChecking' in member.extended_attributes:
-        return True
-    return False
+    return ('LegacyInterfaceTypeChecking' in interface.extended_attributes or
+            'LegacyInterfaceTypeChecking' in member.extended_attributes)
 
 
 # [Unforgeable], [Global], [PrimaryGlobal]
 def on_instance(interface, member):
     """Returns True if the interface's member needs to be defined on every
     instance object.
 
     The following members must be defiend on an instance object.
     - [Unforgeable] members
     - regular members of [Global] or [PrimaryGlobal] interfaces
@@ skipping 159 matching lines @@
     except StopIteration:
         return None
 
 
 IdlInterface.indexed_property_getter = property(indexed_property_getter)
 IdlInterface.indexed_property_setter = property(indexed_property_setter)
 IdlInterface.indexed_property_deleter = property(indexed_property_deleter)
 IdlInterface.named_property_getter = property(named_property_getter)
 IdlInterface.named_property_setter = property(named_property_setter)
 IdlInterface.named_property_deleter = property(named_property_deleter)