mash: Move all ash UMA metrics to //ash/common/metrics

ash/common/wm_shell.h

 // Copyright 2016 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 ASH_COMMON_WM_SHELL_H_
 #define ASH_COMMON_WM_SHELL_H_
 
 #include <stdint.h>
 
 #include <memory>
 #include <vector>
 
 #include "ash/ash_export.h"
+#include "ash/common/metrics/user_metrics_action.h"
 
 namespace gfx {
 class Rect;
 }
 
 namespace ash {
 
 class AccessibilityDelegate;
 class MruWindowTracker;
 class SessionStateDelegate;
 class ShellObserver;
 class SystemTrayDelegate;
 class WindowResizer;
 class WmActivationObserver;
 class WmDisplayObserver;
 class WmSystemTrayNotifier;
 class WmWindow;
 
 namespace wm {
-
 class WindowState;
-
-enum class WmUserMetricsAction;
 }
 
 // Similar to ash::Shell. Eventually the two will be merged.
 class ASH_EXPORT WmShell {
  public:
   // This is necessary for a handful of places that is difficult to plumb
   // through context.
   static void Set(WmShell* instance);
   static WmShell* Get();
   static bool HasInstance() { return instance_ != nullptr; }
@@ skipping 36 matching lines @@
   // TODO(jamescook): Remove this when ShellDelegate is accessible via this
   // interface.
   virtual bool CanShowWindowForUser(WmWindow* window) = 0;
 
   // See aura::client::CursorClient for details on these.
   virtual void LockCursor() = 0;
   virtual void UnlockCursor() = 0;
 
   virtual std::vector<WmWindow*> GetAllRootWindows() = 0;
 
-  virtual void RecordUserMetricsAction(wm::WmUserMetricsAction action) = 0;
+  virtual void RecordUserMetricsAction(UserMetricsAction action) = 0;
 
   // Returns a WindowResizer to handle dragging. |next_window_resizer| is
   // the next WindowResizer in the WindowResizer chain. This may return
   // |next_window_resizer|.
   virtual std::unique_ptr<WindowResizer> CreateDragWindowResizer(
       std::unique_ptr<WindowResizer> next_window_resizer,
       wm::WindowState* window_state) = 0;
 
   // Called when the overview mode is about to be started (before the windows
   // get re-arranged).
@@ skipping 33 matching lines @@
 
   static WmShell* instance_;
 
   std::unique_ptr<WmSystemTrayNotifier> system_tray_notifier_;
   std::unique_ptr<SystemTrayDelegate> system_tray_delegate_;
 };
 
 }  // namespace ash
 
 #endif  // ASH_COMMON_WM_SHELL_H_