Refactors WindowResizers to use ash/wm/common

ash/metrics/user_metrics_recorder.cc

Index: ash/metrics/user_metrics_recorder.cc
diff --git a/ash/metrics/user_metrics_recorder.cc b/ash/metrics/user_metrics_recorder.cc
index cadf710158ad7fcd9e967afc956743fa1565b39d..e07afe8290b86591d64a32315b2ea26422277f4a 100644
--- a/ash/metrics/user_metrics_recorder.cc
+++ b/ash/metrics/user_metrics_recorder.cc
@@ -15,6 +15,7 @@
 #include "ash/shell_window_ids.h"
 #include "ash/system/tray/system_tray_delegate.h"
 #include "ash/wm/common/window_state.h"
+#include "ash/wm/common/wm_user_metrics_action.h"
 #include "ash/wm/window_state_aura.h"
 #include "base/metrics/histogram.h"
 #include "base/metrics/user_metrics.h"
@@ -242,12 +243,6 @@ void UserMetricsRecorder::RecordUserMetricsAction(UserMetricsAction action) {
       task_switch_metrics_recorder_.OnTaskSwitch(
           TaskSwitchMetricsRecorder::DESKTOP);
       break;
-    case ash::UMA_DRAG_MAXIMIZE_LEFT:
-      base::RecordAction(base::UserMetricsAction("WindowDrag_MaximizeLeft"));
-      break;
-    case ash::UMA_DRAG_MAXIMIZE_RIGHT:
-      base::RecordAction(base::UserMetricsAction("WindowDrag_MaximizeRight"));
-      break;
     case ash::UMA_LAUNCHER_BUTTON_PRESSED_WITH_MOUSE:
       base::RecordAction(
           base::UserMetricsAction("Launcher_ButtonPressed_Mouse"));
@@ -608,6 +603,18 @@ void UserMetricsRecorder::RecordUserMetricsAction(UserMetricsAction action) {
   }
 }
 
+void UserMetricsRecorder::RecordUserMetricsAction(
+    wm::WmUserMetricsAction action) {
+  switch (action) {
+    case wm::WmUserMetricsAction::DRAG_MAXIMIZE_LEFT:
+      base::RecordAction(base::UserMetricsAction("WindowDrag_MaximizeLeft"));
+      break;
+    case wm::WmUserMetricsAction::DRAG_MAXIMIZE_RIGHT:
+      base::RecordAction(base::UserMetricsAction("WindowDrag_MaximizeRight"));
+      break;
+  }
+}
+
 void UserMetricsRecorder::OnShellInitialized() {
   // Lazy creation of the DesktopTaskSwitchMetricRecorder because it accesses
   // Shell::GetInstance() which is not available when |this| is instantiated.