MacViews: Run native Cocoa context menus to support Services.

ui/views/controls/menu/menu_runner_impl_interface.h

+// Copyright 2014 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 UI_VIEWS_CONTROLS_MENU_MENU_RUNNER_IMPL_INTERFACE_H_
+#define UI_VIEWS_CONTROLS_MENU_MENU_RUNNER_IMPL_INTERFACE_H_
+
+#include "ui/views/controls/menu/menu_runner.h"
+
+namespace views {
+namespace internal {
+
+// Manages the menu. To destroy a MenuRunnerImpl invoke Release(). Release()
+// deletes immediately if the menu isn't showing. If the menu is showing
+// Release() cancels the menu and when the nested RunMenuAt() call returns
+// deletes itself and the menu.
+class MenuRunnerImplInterface {
+ public:
+  virtual bool running() const = 0;

[tapted, 2014/06/25 08:30:28]

nit: comment

+
+  // See description above class for details.
+  virtual void Release() = 0;
+
+  // Runs the menu.
+  virtual MenuRunner::RunResult RunMenuAt(Widget* parent,
+                                          MenuButton* button,
+                                          const gfx::Rect& bounds,
+                                          MenuAnchorPosition anchor,
+                                          int32 types) WARN_UNUSED_RESULT = 0;
+  virtual void Cancel() = 0;

[tapted, 2014/06/25 08:30:28]

nit: comment

+
+  // Returns the time from the event which closed the menu - or 0.
+  virtual base::TimeDelta closing_event_time() const = 0;
+};
+
+}  // namespace internal
+}  // namespace views
+
+#endif  // UI_VIEWS_CONTROLS_MENU_MENU_RUNNER_IMPL_INTERFACE_H_