Inspector: wrapped inspector agent instances into factory-like wrappers

Source/core/inspector/CodeGeneratorInspector.py

Index: Source/core/inspector/CodeGeneratorInspector.py
diff --git a/Source/core/inspector/CodeGeneratorInspector.py b/Source/core/inspector/CodeGeneratorInspector.py
index a718464d083ae0fca3471e1db6b884a312604afe..ef23f9aa85ff0a4478798108988ccc5bf1ef18f1 100755
--- a/Source/core/inspector/CodeGeneratorInspector.py
+++ b/Source/core/inspector/CodeGeneratorInspector.py
@@ -1837,14 +1837,23 @@ class Generator:
             if "commands" in json_domain:
                 for json_command in json_domain["commands"]:
                     Generator.process_command(json_command, domain_name, agent_field_name, agent_interface_name)
+
+            Generator.backend_agent_interface_list.append("\n        class Factory {\n")
+            Generator.backend_agent_interface_list.append("        public:\n")
+            Generator.backend_agent_interface_list.append("            virtual %s* commandHandler() = 0;\n" % agent_interface_name)
+            Generator.backend_agent_interface_list.append("        protected:\n")
+            Generator.backend_agent_interface_list.append("            virtual ~Factory() { }\n")
+            Generator.backend_agent_interface_list.append("        };\n\n")
+            agent_controller_name = agent_interface_name + "::Factory"
+
             Generator.backend_agent_interface_list.append("\n    protected:\n")
             Generator.backend_agent_interface_list.append("        virtual ~%s() { }\n" % agent_interface_name)
             Generator.backend_agent_interface_list.append("    };\n\n")
 
             Generator.backend_constructor_init_list.append("        , m_%s(0)" % agent_field_name)
-            Generator.backend_virtual_setters_list.append("    virtual void registerAgent(%s* %s) = 0;" % (agent_interface_name, agent_field_name))
-            Generator.backend_setters_list.append("    virtual void registerAgent(%s* %s) { ASSERT(!m_%s); m_%s = %s; }" % (agent_interface_name, agent_field_name, agent_field_name, agent_field_name, agent_field_name))
-            Generator.backend_field_list.append("    %s* m_%s;" % (agent_interface_name, agent_field_name))
+            Generator.backend_virtual_setters_list.append("    virtual void registerAgent(%s* %s) = 0;" % (agent_controller_name, agent_field_name))
+            Generator.backend_setters_list.append("    virtual void registerAgent(%s* %s) { ASSERT(!m_%s); m_%s = %s; }" % (agent_controller_name, agent_field_name, agent_field_name, agent_field_name, agent_field_name))
+            Generator.backend_field_list.append("    %s* m_%s;" % (agent_controller_name, agent_field_name))
 
     @staticmethod
     def process_event(json_event, domain_name, frontend_method_declaration_lines):
@@ -2056,6 +2065,7 @@ class Generator:
         Generator.backend_method_implementation_list.append(Templates.backend_method.substitute(None,
             domainName=domain_name, methodName=json_command_name,
             agentField="m_" + agent_field_name,
+            handlerClass=agent_interface_name,
             methodInCode=method_in_code,
             methodOutCode=method_out_code,
             agentCallParams="".join(agent_call_param_list),