ash: Refactor autoclick common code to ash/autoclick/common.

ash/autoclick/common/autoclick_controller_common_delegate.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_AUTOCLICK_COMMON_AUTOCLICK_CONTROLLER_COMMON_DELEGATE_H
+#define ASH_AUTOCLICK_COMMON_AUTOCLICK_CONTROLLER_COMMON_DELEGATE_H
+
+#include "base/macros.h"
+
+namespace views {
+class Widget;
+}
+
+namespace gfx {
+class Point;
+}
+
+namespace ash {
+
+class AutoclickControllerCommonDelegate {
+ public:
+  AutoclickControllerCommonDelegate() {}
+  virtual ~AutoclickControllerCommonDelegate() {}
+
+  // Creates a ring widget at |event_location|. AutoclickControllerCommon
+  // takes ownership of the created widget.
+  virtual std::unique_ptr<views::Widget> CreateAutoclickRingWidget(
+      const gfx::Point& event_location) = 0;
+
+  // Moves |widget| to |event_location|.
+  virtual void UpdateAutoclickRingWidget(views::Widget* widget,
+                                         const gfx::Point& event_location) = 0;
+
+  // Generates a click with |mouse_event_flags| at |event_location|.
+  virtual void DoAutoclick(const gfx::Point& event_location,
+                           const int mouse_event_flags) = 0;
+
+  virtual void OnAutoclickCanceled() = 0;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(AutoclickControllerCommonDelegate);
+};
+
+}  // namespace ash
+
+#endif  // ASH_AUTOCLICK_COMMON_AUTOCLICK_CONTROLLER_COMMON_DELEGATE_H