[gnome-control-center/gnome-3-20] mouse: Drop unused synaptics capabilities check

[Rui Matos <rtcm src gnome org>]

commit 796e3fba9ed206e6570d3b38e3b81cf096851568
Author: Rui Matos <tiagomatos gmail com>
Date:   Tue Apr 5 16:58:49 2016 +0200

    mouse: Drop unused synaptics capabilities check
    
    We don't support synaptics anymore so checking for this is useless.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=764257

 panels/mouse/cc-mouse-caps-helper.c |   26 ++------------------------
 1 files changed, 2 insertions(+), 24 deletions(-)
---
diff --git a/panels/mouse/cc-mouse-caps-helper.c b/panels/mouse/cc-mouse-caps-helper.c
index cf6e415..ea1678d 100644
--- a/panels/mouse/cc-mouse-caps-helper.c
+++ b/panels/mouse/cc-mouse-caps-helper.c
@@ -27,15 +27,14 @@ synaptics_check_capabilities_x11 (gboolean *have_two_finger_scrolling,
 {
        int numdevices, i;
        XDeviceInfo *devicelist;
-       Atom realtype, prop_capabilities, prop_scroll_methods, prop_tapping_enabled;
+       Atom realtype, prop_scroll_methods, prop_tapping_enabled;
        int realformat;
        unsigned long nitems, bytes_after;
        unsigned char *data;
 
-       prop_capabilities = XInternAtom (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), "Synaptics 
Capabilities", False);
        prop_scroll_methods = XInternAtom (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), "libinput 
Scroll Methods Available", False);
        prop_tapping_enabled = XInternAtom (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), "libinput 
Tapping Enabled", False);
-       if (!prop_capabilities || !prop_scroll_methods || !prop_tapping_enabled)
+       if (!prop_scroll_methods || !prop_tapping_enabled)
                return FALSE;
 
        *have_two_finger_scrolling = FALSE;
@@ -55,27 +54,6 @@ synaptics_check_capabilities_x11 (gboolean *have_two_finger_scrolling,
 
                gdk_error_trap_push ();
 
-               /* xorg-x11-drv-synaptics */
-               if ((XGetDeviceProperty (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), device, 
prop_capabilities,
-                                        0, 2, False, XA_INTEGER, &realtype, &realformat, &nitems,
-                                        &bytes_after, &data) == Success) && (realtype != None)) {
-                       /* Property data is booleans for has_left, has_middle, has_right, has_double, 
has_triple.
-                        * Newer drivers (X.org/kerrnel) will also include has_pressure and has_width. */
-
-                       /* Set tap_to_click_toggle sensitive only if the device has hardware buttons */
-                       if (data[0])
-                               *have_tap_to_click = TRUE;
-
-                       /* Set two_finger_scroll_toggle sensitive if the hardware supports double touch */
-                       if (data[3])
-                               *have_two_finger_scrolling = TRUE;
-
-                       /* Edge scrolling should be supported for all synaptics touchpads */
-                       *have_edge_scrolling = TRUE;
-
-                       XFree (data);
-               }
-
                /* xorg-x11-drv-libinput */
                if ((XGetDeviceProperty (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), device, 
prop_scroll_methods,
                                         0, 2, False, XA_INTEGER, &realtype, &realformat, &nitems,