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

ui/events/ozone/evdev/libgestures_glue/gesture_interpreter_libevdev_cros.h

 // 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.
 
 #ifndef UI_EVENTS_OZONE_EVDEV_LIBGESTURES_GLUE_GESTURE_INTERPRETER_LIBEVDEV_CROS_H_
 #define UI_EVENTS_OZONE_EVDEV_LIBGESTURES_GLUE_GESTURE_INTERPRETER_LIBEVDEV_CROS_H_
 
 #include <bitset>
 #include <gestures/gestures.h>
 #include <libevdev/libevdev.h>
@@ skipping 35 matching lines @@
                                  GesturePropertyProvider* property_provider,
                                  DeviceEventDispatcherEvdev* dispatcher);
   ~GestureInterpreterLibevdevCros() override;
 
   // Overriden from ui::EventReaderLibevdevCros::Delegate
   void OnLibEvdevCrosOpen(Evdev* evdev, EventStateRec* evstate) override;
   void OnLibEvdevCrosEvent(Evdev* evdev,
                            EventStateRec* evstate,
                            const timeval& time) override;
   void OnLibEvdevCrosStopped(Evdev* evdev, EventStateRec* state) override;
-  void SetAllowedKeys(
-      scoped_ptr<std::set<DomCode>> allowed_keys) override;
-  void AllowAllKeys() override;
 
   // Handler for gesture events generated from libgestures.
   void OnGestureReady(const Gesture* gesture);
 
   // Accessors.
   int id() { return id_; }
   GesturePropertyProvider* property_provider() { return property_provider_; }
   Evdev* evdev() { return evdev_; }
 
  private:
@@ skipping 17 matching lines @@
   bool SetMouseButtonState(unsigned int button, bool down);
   void ReleaseMouseButtons(stime_t timestamp);
 
   // The unique device id.
   int id_;
 
   // True if the device may be regarded as a mouse. This includes normal mice
   // and multi-touch mice.
   bool is_mouse_;
 
-  // The evdev codes of the keys which should be processed. nullptr if all keys
-  // should be processed.
-  scoped_ptr<std::set<int>> allowed_keys_;
-
   // Shared cursor state.
   CursorDelegateEvdev* cursor_;
 
   // Shared gesture property provider.
   GesturePropertyProvider* property_provider_;
 
   // Dispatcher for events.
   DeviceEventDispatcherEvdev* dispatcher_;
 
   // Gestures interpretation state.
@@ skipping 11 matching lines @@
 
   // Gesture lib device properties.
   scoped_ptr<GestureDeviceProperties> device_properties_;
 
   DISALLOW_COPY_AND_ASSIGN(GestureInterpreterLibevdevCros);
 };
 
 }  // namspace ui
 
 #endif  // UI_EVENTS_OZONE_EVDEV_LIBGESTURES_GLUE_GESTURE_INTERPRETER_LIBEVDEV_CROS_H_