Add [CachedAccessor] attribute to cache (almost) constant accessors (window.document).

third_party/WebKit/Source/bindings/scripts/v8_interface.py

 # Copyright (C) 2013 Google Inc. All rights reserved.
 # coding=utf-8
 #
 # 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
@@ skipping 44 matching lines @@
     'bindings/core/v8/V8Binding.h',
     'bindings/core/v8/V8DOMWrapper.h',
     'bindings/core/v8/WrapperTypeInfo.h',
     'platform/heap/Handle.h',
 ])
 INTERFACE_CPP_INCLUDES = frozenset([
     'bindings/core/v8/ExceptionState.h',
     'bindings/core/v8/GeneratedCodeHelper.h',
     'bindings/core/v8/V8DOMConfiguration.h',
     'bindings/core/v8/V8ObjectConstructor.h',
+    'bindings/core/v8/V8PrivateProperty.h',

[Yuki, 2016/09/20 07:53:53]

nit: It's better to include the header iff you really need it.

[Alfonso, 2016/09/20 13:48:23]

Could you indicate me where to add the include properly?, it's only needed in
V8Window.cpp.

[Yuki, 2016/09/20 13:57:19]

https://cs.chromium.org/chromium/src/third_party/WebKit/Source/bindings/scrip...

You can follow this way, I think.

     'core/dom/Document.h',
     'wtf/GetPtr.h',
     'wtf/RefPtr.h',
 ])
 
 
 def filter_has_constant_configuration(constants):
     return [constant for constant in constants if
             not constant['measure_as'] and
             not constant['deprecate_as'] and
@@ skipping 1329 matching lines @@
     extended_attributes = deleter.extended_attributes
     is_call_with_script_state = v8_utilities.has_extended_attribute_value(deleter, 'CallWith', 'ScriptState')
     is_ce_reactions = 'CEReactions' in extended_attributes
     return {
         'is_call_with_script_state': is_call_with_script_state,
         'is_ce_reactions': is_ce_reactions,
         'is_custom': 'Custom' in extended_attributes,
         'is_raises_exception': 'RaisesException' in extended_attributes,
         'name': cpp_name(deleter),
     }