instance method define_run_method

# File actionpack/lib/action_controller/request_profiler.rb, line 42
        def define_run_method(script_path)
          script = File.read(script_path)

          source = <<-end_source
            def run(profiling = false)
              if profiling
                RubyProf.resume do
                  #{script}
                end
              else
                #{script}
              end

              old_request_count = request_count
              reset!
              self.request_count = old_request_count
            end
          end_source

          instance_eval source, script_path, 1
        end