Remove GestureInterpreterLibevdevCros::SetAllowedKeys() because it is a no-op

ui/events/ozone/evdev/libgestures_glue/gesture_interpreter_libevdev_cros.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/libgestures_glue/gesture_interpreter_libevdev_cros.h"
 
 #include <gestures/gestures.h>
 #include <libevdev/libevdev.h>
 #include <linux/input.h>
 
@@ skipping 196 matching lines @@
 
 void GestureInterpreterLibevdevCros::OnLibEvdevCrosStopped(
     Evdev* evdev,
     EventStateRec* state) {
   stime_t timestamp = StimeNow();
 
   ReleaseKeys(timestamp);
   ReleaseMouseButtons(timestamp);
 }
 
-void GestureInterpreterLibevdevCros::SetAllowedKeys(
-    scoped_ptr<std::set<DomCode>> allowed_keys) {
-  if (!allowed_keys) {
-    allowed_keys_.reset();
-    return;
-  }
-
-  allowed_keys_.reset(new std::set<int>());
-  for (const auto& it : *allowed_keys) {
-    int evdev_code =
-        NativeCodeToEvdevCode(KeycodeConverter::DomCodeToNativeKeycode(it));
-    allowed_keys_->insert(evdev_code);
-  }
-}
-
-void GestureInterpreterLibevdevCros::AllowAllKeys() {
-  allowed_keys_.reset();
-}
-
 void GestureInterpreterLibevdevCros::OnGestureReady(const Gesture* gesture) {
   switch (gesture->type) {
     case kGestureTypeMove:
       OnGestureMove(gesture, &gesture->details.move);
       break;
     case kGestureTypeScroll:
       OnGestureScroll(gesture, &gesture->details.scroll);
       break;
     case kGestureTypeButtonsChange:
       OnGestureButtonsChange(gesture, &gesture->details.buttons);
@@ skipping 200 matching lines @@
       bool value = EvdevBitIsSet(new_key_state, key);
 
       // Mouse buttons are handled by DispatchMouseButton.
       if (key >= BTN_MOUSE && key < BTN_JOYSTICK)
         continue;
 
       // Ignore digi buttons (e.g. BTN_TOOL_FINGER).
       if (key >= BTN_DIGI && key < BTN_WHEEL)
         continue;
 
-      if (allowed_keys_ && !allowed_keys_->count(key))
-        continue;
-
       // Dispatch key press or release to keyboard.
       dispatcher_->DispatchKeyEvent(
           KeyEventParams(id_, key, value, StimeToTimedelta(timestamp)));
     }
   }
 
   // Update internal key state.
   for (unsigned long i = 0; i < EVDEV_BITS_TO_LONGS(KEY_CNT); ++i)
     prev_key_state_[i] = new_key_state[i];
 }
@@ skipping 22 matching lines @@
   return true;
 }
 
 void GestureInterpreterLibevdevCros::ReleaseMouseButtons(stime_t timestamp) {
   DispatchMouseButton(BTN_LEFT, false /* down */, timestamp);
   DispatchMouseButton(BTN_MIDDLE, false /* down */, timestamp);
   DispatchMouseButton(BTN_RIGHT, false /* down */, timestamp);
 }
 
 }  // namespace ui