Make Interaction Media Features MQ dynamic on Linux.

ui/events/ozone/evdev/tablet_event_converter_evdev.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/events/ozone/evdev/tablet_event_converter_evdev.h"
 
 #include <errno.h>
 #include <linux/input.h>
 #include <stddef.h>
 
@@ skipping 63 matching lines @@
   ssize_t read_size = read(fd, inputs, sizeof(inputs));
   if (read_size < 0) {
     if (errno == EINTR || errno == EAGAIN)
       return;
     if (errno != ENODEV)
       PLOG(ERROR) << "error reading device " << path_.value();
     Stop();
     return;
   }
 
-  if (!enabled_)
+  if (!IsEnabled())
     return;
 
   DCHECK_EQ(read_size % sizeof(*inputs), 0u);
   ProcessEvents(inputs, read_size / sizeof(*inputs));
 }
 
 void TabletEventConverterEvdev::ProcessEvents(const input_event* inputs,
                                               int count) {
   for (int i = 0; i < count; ++i) {
     const input_event& input = inputs[i];
@@ skipping 124 matching lines @@
       input_device_.id, EF_NONE, cursor_->GetLocation(),
       PointerDetails(GetToolType(stylus_), /* pointer_id*/ 0,
                      /* radius_x */ 0.0f, /* radius_y */ 0.0f, pressure_,
                      tilt_x_, tilt_y_),
       TimeTicksFromInputEvent(input)));
 
   abs_value_dirty_ = false;
 }
 
 }  // namespace ui