Dump touchpad event logs for touch log source

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 <set>
 #include <vector>
@@ skipping 16 matching lines @@
 
 #if !defined(USE_EVDEV)
 #error Missing dependency on ui/events/ozone:events_ozone_evdev
 #endif
 
 #if defined(USE_EVDEV_GESTURES)
 class GesturePropertyProvider;
 #endif
 
 typedef base::Callback<void(scoped_ptr<std::string>)> GetTouchDeviceStatusReply;
+typedef base::Callback<void(scoped_ptr<std::vector<base::FilePath>>)>
+    GetTouchEventLogReply;
 
 // Manager for event device objects. All device I/O starts here.
 class EVENTS_OZONE_EVDEV_EXPORT InputDeviceFactoryEvdev {
  public:
   InputDeviceFactoryEvdev(scoped_ptr<DeviceEventDispatcherEvdev> dispatcher,
                           CursorDelegateEvdev* cursor);
   ~InputDeviceFactoryEvdev();
 
   // Open & start reading a newly plugged-in input device.
   void AddInputDevice(int id, const base::FilePath& path);
@@ skipping 10 matching lines @@
   // Disables all keys on the internal keyboard except |excepted_keys|.
   void DisableInternalKeyboardExceptKeys(
       scoped_ptr<std::set<DomCode>> excepted_keys);
 
   // Enables all keys on the internal keyboard.
   void EnableInternalKeyboard();
 
   // 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();
 
  private:
   // Open device at path & starting processing events (on UI thread).
   void AttachInputDevice(scoped_ptr<EventConverterEvdev> converter);
 
   // Close device at path (on UI thread).
   void DetachInputDevice(const base::FilePath& file_path);
 
@@ skipping 44 matching lines @@
 
   // 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_