Not for review - Rebase of crrev.com/62833003

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 230 matching lines @@
         return None
     includes.add('core/frame/UseCounter.h')
     return extended_attributes['DeprecateAs']
 
 
 # [Exposed]
 EXPOSED_EXECUTION_CONTEXT_METHOD = {
     'DedicatedWorker': 'isDedicatedWorkerGlobalScope',
     'ServiceWorker': 'isServiceWorkerGlobalScope',
     'SharedWorker': 'isSharedWorkerGlobalScope',
+    'UIWorker': 'isUIWorkerGlobalScope',
     'Window': 'isDocument',
     'Worker': 'isWorkerGlobalScope',
 }
 
 
 def exposed(definition_or_member, interface):
     exposure_set = extended_attribute_value_as_list(definition_or_member, 'Exposed')
     if not exposure_set:
         return None
 
@@ skipping 12 matching lines @@
         exposure_checks.append('context->%s()' % EXPOSED_EXECUTION_CONTEXT_METHOD[environment])
 
     return ' || '.join(exposure_checks)
 
 
 def expanded_exposure_set_for_interface(interface):
     exposure_set = extended_attribute_value_as_list(interface, 'Exposed')
 
     # "Worker" is an aggregation for the different kinds of workers.
     if 'Worker' in exposure_set:
-        exposure_set.extend(('DedicatedWorker', 'SharedWorker', 'ServiceWorker'))
+        exposure_set.extend(('DedicatedWorker', 'SharedWorker', 'ServiceWorker', 'UIWorker'))
 
     return sorted(set(exposure_set))
 
 
 # [GarbageCollected], [WillBeGarbageCollected]
 def gc_type(definition):
     extended_attributes = definition.extended_attributes
     if 'GarbageCollected' in extended_attributes:
         return 'GarbageCollectedObject'
     elif 'WillBeGarbageCollected' in extended_attributes:
@@ skipping 40 matching lines @@
 
     The returned function checks if a method/attribute is enabled.
     Given extended attribute RuntimeEnabled=FeatureName, return:
         RuntimeEnabledFeatures::{featureName}Enabled
     """
     extended_attributes = definition_or_member.extended_attributes
     if 'RuntimeEnabled' not in extended_attributes:
         return None
     feature_name = extended_attributes['RuntimeEnabled']
     return 'RuntimeEnabledFeatures::%sEnabled' % uncapitalize(feature_name)