* xterm.h (struct x_display_info): New members last_mouse_glyph_frame,

* xterm.h (struct x_display_info): New members last_mouse_glyph_frame,
last_mouse_scroll_bar, last_mouse_glyph and last_mouse_movement_time,
going to replace static variables below.  Adjust comments.
* xterm.c (last_mouse_glyph, last_mouse_glyph_frame)
(last_mouse_scroll_bar, last_mouse_movement_time): Remove.
(note_mouse_movement, XTmouse_position, x_scroll_bar_note_movement)
(x_scroll_bar_report_motion, handle_one_xevent, syms_of_xterm):
Related users changed.
* w32term.h (struct w32_display_info): New members last_mouse_glyph_frame,
last_mouse_scroll_bar, last_mouse_scroll_bar_pos, last_mouse_glyph and
last_mouse_movement_time, going to replace static variables below.
Adjust comments.
* w32term.c (last_mouse_glyph_frame, last_mouse_scroll_bar)
(last_mouse_scroll_bar_pos, last_mouse_glyph, last_mouse_movement_time):
Remove.
(note_mouse_movement, w32_mouse_position, w32_scroll_bar_handle_click)
(x_scroll_bar_report_motion, syms_of_w32term): Related users changed.
* nsterm.h (struct ns_display_info): New members last_mouse_glyph,
last_mouse_movement_time and last_mouse_scroll_bar, going to replace
static variables below.
* nsterm.m (last_mouse_glyph, last_mouse_movement_time)
(last_mouse_scroll_bar): Remove.
(note_mouse_movement, ns_mouse_position, mouseMoved, mouseEntered)
(mouseExited): Related users changed.