Adds WmShell::RecordGestureAction()

ash/aura/wm_shell_aura.cc

Index: ash/aura/wm_shell_aura.cc
diff --git a/ash/aura/wm_shell_aura.cc b/ash/aura/wm_shell_aura.cc
index 1881d36b4a3aa3835d67325a8ede5fee068a842a..026f2e07b46215539342c6fe72dc50668e73080f 100644
--- a/ash/aura/wm_shell_aura.cc
+++ b/ash/aura/wm_shell_aura.cc
@@ -19,6 +19,7 @@
 #include "ash/display/window_tree_host_manager.h"
 #include "ash/metrics/task_switch_metrics_recorder.h"
 #include "ash/shell.h"
+#include "ash/touch/touch_uma.h"
 #include "ash/wm/drag_window_resizer.h"
 #include "ash/wm/maximize_mode/maximize_mode_event_handler_aura.h"
 #include "ash/wm/screen_pinning_controller.h"
@@ -133,6 +134,10 @@ void WmShellAura::RecordUserMetricsAction(UserMetricsAction action) {
   Shell::GetInstance()->metrics()->RecordUserMetricsAction(action);
 }
 
+void WmShellAura::RecordGestureAction(GestureActionType action) {
+  TouchUMA::GetInstance()->RecordGestureAction(action);
+}
+
 void WmShellAura::RecordTaskSwitchMetric(TaskSwitchSource source) {
   Shell::GetInstance()->metrics()->task_switch_metrics_recorder().OnTaskSwitch(
       source);