Re-land "Issue 191223007: Move touch CTM from X into Chrome"

ui/display/chromeos/x11/touchscreen_delegate_x11.cc

Index: ui/display/chromeos/x11/touchscreen_delegate_x11.cc
diff --git a/ui/display/chromeos/x11/touchscreen_delegate_x11.cc b/ui/display/chromeos/x11/touchscreen_delegate_x11.cc
index 3b69d3aa3a0ce7a54c35e1b2b279c0e7ce952f44..b76d62e90448a9febcbabc74f890ac4a3237ad61 100644
--- a/ui/display/chromeos/x11/touchscreen_delegate_x11.cc
+++ b/ui/display/chromeos/x11/touchscreen_delegate_x11.cc
@@ -129,54 +129,4 @@ void TouchscreenDelegateX11::AssociateTouchscreens(
   XIFreeDeviceInfo(info);
 }
 
-void TouchscreenDelegateX11::ConfigureCTM(
-    int touch_device_id,
-    const DisplayConfigurator::CoordinateTransformation& ctm) {
-  VLOG(1) << "ConfigureCTM: id=" << touch_device_id << " scale=" << ctm.x_scale
-          << "x" << ctm.y_scale << " offset=(" << ctm.x_offset << ", "
-          << ctm.y_offset << ")";
-  int ndevices = 0;
-  XIDeviceInfo* info = XIQueryDevice(display_, touch_device_id, &ndevices);
-  Atom prop = XInternAtom(display_, "Coordinate Transformation Matrix", False);
-  Atom float_atom = XInternAtom(display_, "FLOAT", False);
-  if (ndevices == 1 && prop != None && float_atom != None) {
-    Atom type;
-    int format;
-    unsigned long num_items;
-    unsigned long bytes_after;
-    unsigned char* data = NULL;
-    // Verify that the property exists with correct format, type, etc.
-    int status = XIGetProperty(display_,
-                               info->deviceid,
-                               prop,
-                               0,
-                               0,
-                               False,
-                               AnyPropertyType,
-                               &type,
-                               &format,
-                               &num_items,
-                               &bytes_after,
-                               &data);
-    if (data)
-      XFree(data);
-    if (status == Success && type == float_atom && format == 32) {
-      float value[3][3] = {
-        { ctm.x_scale,         0.0, ctm.x_offset },
-        {         0.0, ctm.y_scale, ctm.y_offset },
-        {         0.0,         0.0,          1.0 }
-      };
-      XIChangeProperty(display_,
-                       info->deviceid,
-                       prop,
-                       type,
-                       format,
-                       PropModeReplace,
-                       reinterpret_cast<unsigned char*>(value),
-                       9);
-    }
-  }
-  XIFreeDeviceInfo(info);
-}
-
 }  // namespace ui