* gdbthread.h (struct thread_info): Add comments around

	* gdbthread.h (struct thread_info): Add comments around
	proceed_to_finish.
	(save_infrun_state, load_infrun_state): Remove proceed_to_finish
	argument.
	* thread.c (load_infrun_state, save_infrun_state): Delete
	proceed_to_finish argument and references to it.

	* infcall.c (call_function_by_hand): Adjust.
	* infcmd.c (finish_command): Adjust.
	* infrun.c (proceed_to_finish): Delete.
	(clear_proceed_status): Adjust.
	(context_switch): Don't context-switch proceed_to_finish.
	(normal_stop, save_inferior_status, restore_inferior_status):
	Adjust.