Add palm suppression feature to EventConverterEvdev

ui/events/ozone/evdev/input_device_factory_evdev.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_INPUT_DEVICE_FACTORY_EVDEV_H_
 #define UI_EVENTS_OZONE_EVDEV_INPUT_DEVICE_FACTORY_EVDEV_H_
 
 #include <map>
 #include <memory>
 #include <set>
@@ skipping 50 matching lines @@
   void SetCapsLockLed(bool enabled);
 
   // Bits from InputController that have to be answered on IO.
   void UpdateInputDeviceSettings(const InputDeviceSettingsEvdev& settings);
   void GetTouchDeviceStatus(const GetTouchDeviceStatusReply& reply);
   void GetTouchEventLog(const base::FilePath& out_dir,
                         const GetTouchEventLogReply& reply);
 
   base::WeakPtr<InputDeviceFactoryEvdev> GetWeakPtr();
 
+  void EnablePalmSuppression(bool enabled);
+
  private:
   // Open device at path & starting processing events (on UI thread).
   void AttachInputDevice(std::unique_ptr<EventConverterEvdev> converter);
 
   // Close device at path (on UI thread).
   void DetachInputDevice(const base::FilePath& file_path);
 
   // Sync input_device_settings_ to attached devices.
   void ApplyInputDeviceSettings();
   void ApplyCapsLockLed();
@@ skipping 42 matching lines @@
 
   // Whether we have a list of devices that were present at startup.
   bool startup_devices_enumerated_ = false;
 
   // Whether devices that were present at startup are open.
   bool startup_devices_opened_ = false;
 
   // LEDs.
   bool caps_lock_led_enabled_ = false;
 
+  // Whether touch palm suppression is enabled.
+  bool palm_suppression_enabled_ = false;
+
   // Device settings. These primarily affect libgestures behavior.
   InputDeviceSettingsEvdev input_device_settings_;
 
   // Support weak pointers for attach & detach callbacks.
   base::WeakPtrFactory<InputDeviceFactoryEvdev> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(InputDeviceFactoryEvdev);
 };
 
 }  // namespace ui
 
 #endif  // UI_EVENTS_OZONE_EVDEV_INPUT_DEVICE_FACTORY_EVDEV_H_