gdb/

gdb/
	* ada-lang.c (struct add_partial_datum): Update the comment for
	expand_partial_symbol_name.
	(ada_add_partial_symbol_completions): Rename to ...
	(ada_expand_partial_symbol_name): ... here, change return type, update
	function comment, call symbol_completion_match instead of
	symbol_completion_add.
	(ada_make_symbol_completion_list): Use now expand_partial_symbol_names
	and ada_expand_partial_symbol_name.
	* dwarf2read.c (dw2_expand_symtabs_matching): Support NULL
	FILE_MATCHER.
	(dw2_map_symbol_names): Remove.
	(dwarf2_gdb_index_functions): Unlist dw2_map_symbol_names.
	* psymtab.c (map_symbol_names_psymtab): Remove.
	(expand_symtabs_matching_via_partial): Support NULL FILE_MATCHER.
	Support KIND == ALL_DOMAIN.  Exchange the NAME_MATCHER and KIND check
	order.
	(psym_functions): Unlist map_symbol_names_psymtab.
	(map_partial_symbol_names): Rename to ...
	(expand_partial_symbol_names): ... here, change the FUN type, call
	expand_symtabs_matching with ALL_DOMAIN and NULL FILE_MATCHER now.
	* psymtab.h (map_partial_symbol_names): Rename to ...
	(expand_partial_symbol_names): ... here, change the FUN type.
	* symfile.h (struct quick_symbol_functions): Update the description of
	expand_symtabs_matching.  Remove map_symbol_names.
	* symtab.c (search_symbols): Add ALL_DOMAIN to the function comment.
	(struct add_name_data): Update the comment for
	expand_partial_symbol_name.
	(add_partial_symbol_name): Rename to ...
	(expand_partial_symbol_name): ... here.  Replace
	completion_list_add_name call by strncmp.
	(default_make_symbol_completion_list_break_on): Use now
	expand_partial_symbol_names and expand_partial_symbol_name.
	* symtab.h (enum search_domain): New element ALL_DOMAIN.

gdb/testsuite/
	* gdb.cp/cpcompletion.exp (complete class methods)
	(complete class methods beginning with F): Move them above runto.  New
	comment about the runto delimiter.