[bindings] Include V8HiddenValue only if attribute has CachedAttribute or marked keep alive for GC.

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/ScriptWrappable.h',
     'bindings/core/v8/ToV8.h',
     '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/V8DOMConfiguration.h',
-    'bindings/core/v8/V8HiddenValue.h',
     'bindings/core/v8/V8ObjectConstructor.h',
     'core/dom/ContextFeatures.h',
     'core/dom/Document.h',
     'platform/RuntimeEnabledFeatures.h',
     'platform/TraceEvent.h',
     'wtf/GetPtr.h',
     'wtf/RefPtr.h',
 ])
 
 
@@ skipping 1255 matching lines @@
 
     idl_type = deleter.idl_type
     extended_attributes = deleter.extended_attributes
     is_call_with_script_state = v8_utilities.has_extended_attribute_value(deleter, 'CallWith', 'ScriptState')
     return {
         'is_call_with_script_state': is_call_with_script_state,
         'is_custom': 'Custom' in extended_attributes,
         'is_raises_exception': 'RaisesException' in extended_attributes,
         'name': cpp_name(deleter),
     }