Add support for returning traces as streams in DevTools protocol

Source/core/inspector/CodeGeneratorInspector.py

 #!/usr/bin/env python
 # Copyright (c) 2011 Google Inc. All rights reserved.
 # Copyright (c) 2012 Intel Corporation. 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.
@@ skipping 96 matching lines @@
         if pos == 1:
             return str[0].lower() + str[1:]
         if pos < len(str):
             pos -= 1
         possible_abbreviation = str[0:pos]
         if possible_abbreviation not in Capitalizer.ABBREVIATION:
             raise Exception("Unknown abbreviation %s" % possible_abbreviation)
         str = possible_abbreviation.lower() + str[pos:]
         return str
 
-    ABBREVIATION = frozenset(["XHR", "DOM", "CSS"])
+    ABBREVIATION = frozenset(["XHR", "DOM", "CSS", "IO"])
 
 VALIDATOR_IFDEF_NAME = "ENABLE(ASSERT)"
 
 
 class DomainNameFixes:
     @staticmethod
     def get_fixed_data(domain_name):
         return Capitalizer.upper_camel_case_to_lower(domain_name) + "Agent"
 
 class RawTypes(object):
@@ skipping 1990 matching lines @@
     validatorIfdefName=VALIDATOR_IFDEF_NAME))
 
 backend_h_file.close()
 backend_cpp_file.close()
 
 frontend_h_file.close()
 frontend_cpp_file.close()
 
 typebuilder_h_file.close()
 typebuilder_cpp_file.close()