Pass frame arg in calls to VERTICAL_SCROLL_BAR_INSIDE_HEIGHT

Pass frame arg in calls to VERTICAL_SCROLL_BAR_INSIDE_HEIGHT
and VERTICAL_SCROLL_BAR_TOP_RANGE.

(XTclear_end_of_line): Shift end-of-line when there is a
left-side scroll bar by FRAME_LEFT_SCROLL_BAR_WIDTH.
(do_line_dance): Take into account the width of a left-side scroll bar.
(dumprectangle): Trim at FRAME_EXTERNAL_WIDTH instead of FRAME_WIDTH.
(fast_find_position): Use new macro WINDOW_LEFT_MARGIN.
(show_mouse_face): Likewise.
(x_scroll_bar_set_handle): VERTICAL_SCROLL_BAR_INSIDE_WIDTH now
requires the frame as an argument.
(x_scroll_bar_expose): Narrow the box slightly for a left-side scroll bar.