(struct glyph_matrix): Rename members window_left_x

(struct glyph_matrix): Rename members window_left_x
to window_left_col, window_top_y to window_top_line. All uses
changed.
(FRAME_INTERNAL_BORDER_WIDTH_SAFE): Remove macro; can now safely
use FRAME_INTERNAL_BORDER_WIDTH macro instead as
internal_border_width is now set to 0 for non-window frames.
(WINDOW_DISPLAY_PIXEL_WIDTH, WINDOW_DISPLAY_PIXEL_HEIGHT)
(WINDOW_DISPLAY_MODE_LINE_HEIGHT, WINDOW_DISPLAY_HEADER_LINE_HEIGHT)
(WINDOW_DISPLAY_HEIGHT_NO_MODE_LINE, WINDOW_DISPLAY_TEXT_HEIGHT)
(WINDOW_DISPLAY_LEFT_EDGE_PIXEL_X, WINDOW_DISPLAY_RIGHT_EDGE_PIXEL_X)
(WINDOW_DISPLAY_TOP_EDGE_PIXEL_Y, WINDOW_DISPLAY_BOTTOM_EDGE_PIXEL_Y)
(WINDOW_TO_FRAME_PIXEL_X, WINDOW_TO_FRAME_PIXEL_Y)
(FRAME_TO_WINDOW_PIXEL_X, FRAME_TO_WINDOW_PIXEL_Y)
(WINDOW_DISPLAY_LEFT_AREA_PIXEL_WIDTH)
(WINDOW_DISPLAY_RIGHT_AREA_PIXEL_WIDTH, WINDOW_WANTS_MODELINE_P):
Move to window.h and renamed [see window.h changes].
(WINDOW_AREA_TO_FRAME_PIXEL_X, WINDOW_AREA_PIXEL_WIDTH)
(WINDOW_DISPLAY_TEXT_AREA_PIXEL_WIDTH): Remove macros.
(WINDOW_WANTS_MODELINE_P, WINDOW_WANTS_HEADER_LINE_P): Use
WINDOW_TOTAL_LINES.
(frame_update_line_height): Remove prototype.