Dump touchpad event logs for touch log source

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

+// Copyright 2015 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_FEEDBACK_H_
+#define UI_EVENTS_OZONE_EVDEV_LIBGESTURES_GLUE_GESTURE_FEEDBACK_H_
+
+#include <string>
+#include <vector>
+
+#include "base/callback.h"
+#include "base/files/file_util.h"
+#include "base/memory/scoped_vector.h"
+
+namespace ui {
+
+// Touch event log paths.
+const char kTouchpadGestureLogPath[] =
+    "/home/chronos/user/log/touchpad_activity.txt";
+const char kTouchpadEvdevLogPath[] =
+    "/home/chronos/user/log/cmt_input_events.dat";
+
+class GesturePropertyProvider;
+
+typedef base::Callback<void(scoped_ptr<std::vector<base::FilePath>>)>
+    GetTouchEventLogReply;
+
+// Utility functions for generating gesture related logs. These logs will be
+// included in user feedback reports.
+void DumpTouchDeviceStatus(GesturePropertyProvider* provider,
+                           std::string* status);
+
+void DumpTouchEventLog(GesturePropertyProvider* provider,
+                       const base::FilePath& out_dir,
+                       scoped_ptr<std::vector<base::FilePath>> log_paths,
+                       const GetTouchEventLogReply& reply);
+
+}  // namespace ui
+
+#endif  // UI_EVENTS_OZONE_EVDEV_LIBGESTURES_GLUE_GESTURE_FEEDBACK_H_