Dump touchpad event logs for touch log source

ui/events/ozone/evdev/libgestures_glue/gesture_property_provider.cc

Index: ui/events/ozone/evdev/libgestures_glue/gesture_property_provider.cc
diff --git a/ui/events/ozone/evdev/libgestures_glue/gesture_property_provider.cc b/ui/events/ozone/evdev/libgestures_glue/gesture_property_provider.cc
index 4db958dbd3354ad36fb4ccec88c2b6937f925338..393cb8e14fdf60cd70ab659975c6c6b95c620b99 100644
--- a/ui/events/ozone/evdev/libgestures_glue/gesture_property_provider.cc
+++ b/ui/events/ozone/evdev/libgestures_glue/gesture_property_provider.cc
@@ -22,6 +22,7 @@
 #include "base/strings/string_util.h"
 #include "base/strings/stringize_macros.h"
 #include "base/strings/stringprintf.h"
+#include "ui/events/ozone/evdev/libgestures_glue/gesture_feedback.h"
 #include "ui/events/ozone/evdev/libgestures_glue/gesture_interpreter_libevdev_cros.h"
 
 // Severity level for general info logging purpose.
@@ -556,6 +557,12 @@ std::ostream& operator<<(std::ostream& out,
   return out << s;
 }
 
+// A relay function that dumps evdev log to a place that we have access to
+// (the default directory is inaccessible without X11).
+void DumpTouchEvdevDebugLog(void* data) {
+  Event_Dump_Debug_Log_To(data, ui::kTouchpadEvdevLogPath);
+}
+
 }  // namespace
 
 // GesturesProp logging function.
@@ -1426,8 +1433,8 @@ bool GesturesPropFunctionsWrapper::InitializeDeviceProperties(
   // set.
   GesturesProp* dump_debug_log_prop = CreateBoolSingle(
       device_data, "Dump Debug Log", &properties->dump_debug_log, false);
-  RegisterHandlers(
-      device_data, dump_debug_log_prop, device, NULL, Event_Dump_Debug_Log);
+  RegisterHandlers(device_data, dump_debug_log_prop, device, NULL,
+                   DumpTouchEvdevDebugLog);
 
   // Whether to do the gesture recognition or just passing the multi-touch data
   // to upper layers.