[DevTools] Console Message Storage moved from top local frame to frame host

Source/core/inspector/CodeGeneratorInstrumentation.py

 #!/usr/bin/env python
 # 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
@@ skipping 318 matching lines @@
 
         if self.returns_cookie:
             if "Timeline" in self.agents:
                 timeline_agent_id = "timelineAgentId"
             else:
                 timeline_agent_id = "0"
             body_lines.append("\n    return InspectorInstrumentationCookie(agents, %s);" % timeline_agent_id)
         elif self.returns_value:
             body_lines.append("\n    return %s;" % self.default_return_value)
 
-        cpp_lines.append(template_outofline.substitute(
+        generated_outofline = template_outofline.substitute(
             None,
             return_type=self.return_type,
             name=self.name,
             params_impl=", ".join(map(Parameter.to_str_class_and_name, self.params_impl)),
-            impl_lines="".join(body_lines)))
+            impl_lines="".join(body_lines))
+        if generated_outofline not in cpp_lines:
+            cpp_lines.append(generated_outofline)
 
     def generate_agent_call(self, agent):
         agent_class, agent_getter = agent_getter_signature(agent)
 
         leading_param_name = self.params_impl[0].name
         if not self.accepts_cookie:
             agent_fetch = "%s->%s()" % (leading_param_name, agent_getter)
         elif agent == "Timeline":
             agent_fetch = "retrieveTimelineAgent(%s)" % leading_param_name
         else:
@@ skipping 197 matching lines @@
     if not output_dirpath:
         raise Exception("Output directory must be specified")
 except Exception:
     # Work with python 2 and 3 http://docs.python.org/py3k/howto/pyporting.html
     exc = sys.exc_info()[1]
     sys.stderr.write("Failed to parse command-line arguments: %s\n\n" % exc)
     sys.stderr.write("Usage: <script> --output_dir <output_dir> InspectorInstrumentation.idl\n")
     exit(1)
 
 generate(input_path, output_dirpath)