Dump touchpad event logs for touch log source

ui/events/ozone/evdev/input_device_factory_evdev_proxy.h

Index: ui/events/ozone/evdev/input_device_factory_evdev_proxy.h
diff --git a/ui/events/ozone/evdev/input_device_factory_evdev_proxy.h b/ui/events/ozone/evdev/input_device_factory_evdev_proxy.h
index e231fa272e7117ae1d6ec31e7b0b1dce49d0ec34..b067b6ae33351f79e4a8fc574210da1142afe44f 100644
--- a/ui/events/ozone/evdev/input_device_factory_evdev_proxy.h
+++ b/ui/events/ozone/evdev/input_device_factory_evdev_proxy.h
@@ -6,6 +6,7 @@
 #define UI_EVENTS_OZONE_EVDEV_INPUT_DEVICE_FACTORY_PROXY_EVDEV_H_
 
 #include <set>
+#include <vector>
 
 #include "base/compiler_specific.h"
 #include "base/files/file_path.h"
@@ -20,6 +21,8 @@ enum class DomCode;
 class InputDeviceFactoryEvdev;
 
 typedef base::Callback<void(scoped_ptr<std::string>)> GetTouchDeviceStatusReply;
+typedef base::Callback<void(scoped_ptr<std::vector<base::FilePath>>)>
+    GetTouchEventLogReply;
 
 // Thread safe proxy for InputDeviceFactoryEvdev.
 //
@@ -49,6 +52,8 @@ class EVENTS_OZONE_EVDEV_EXPORT InputDeviceFactoryEvdevProxy {
   void SetMouseSensitivity(int value);
   void SetTapToClickPaused(bool state);
   void GetTouchDeviceStatus(const GetTouchDeviceStatusReply& reply);
+  void GetTouchEventLog(const base::FilePath& out_dir,
+                        const GetTouchEventLogReply& reply);
 
  private:
   scoped_refptr<base::SingleThreadTaskRunner> task_runner_;