Dump touchpad event logs for touch log source

ui/events/ozone/evdev/input_controller_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_CONTROLLER_EVDEV_H_
 #define UI_EVENTS_OZONE_EVDEV_INPUT_CONTROLLER_EVDEV_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 35 matching lines @@
                          base::TimeDelta* interval) override;
   void SetTouchpadSensitivity(int value) override;
   void SetTapToClick(bool enabled) override;
   void SetThreeFingerClick(bool enabled) override;
   void SetTapDragging(bool enabled) override;
   void SetNaturalScroll(bool enabled) override;
   void SetMouseSensitivity(int value) override;
   void SetPrimaryButtonRight(bool right) override;
   void SetTapToClickPaused(bool state) override;
   void GetTouchDeviceStatus(const GetTouchDeviceStatusReply& reply) override;
+  void GetTouchEventLog(const base::FilePath& out_dir,
+                        const GetTouchEventLogReply& reply) override;
   void DisableInternalTouchpad() override;
   void EnableInternalTouchpad() override;
   void DisableInternalKeyboardExceptKeys(
       scoped_ptr<std::set<DomCode>> excepted_keys) override;
   void EnableInternalKeyboard() override;
 
  private:
   // Factory for devices. Needed to update device config.
   InputDeviceFactoryEvdevProxy* input_device_factory_;
 
   // Keyboard state.
   KeyboardEvdev* keyboard_;
 
   // Mouse button map.
   MouseButtonMapEvdev* button_map_;
 
   // Device presence.
   bool has_mouse_;
   bool has_touchpad_;
 
   DISALLOW_COPY_AND_ASSIGN(InputControllerEvdev);
 };
 
 }  // namespace ui
 
 #endif  // UI_EVENTS_OZONE_EVDEV_INPUT_CONTROLLER_EVDEV_H_