It is time.

ui/views/bubble/bubble_window_targeter.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.
-
-#include "ui/views/views_export.h"
-#include "ui/wm/core/masked_window_targeter.h"
-
-namespace aura {
-class Window;
-}
-
-namespace views {
-class BubbleDelegateView;
-
-// A convenient window-targeter that uses a mask based on the content-bounds of
-// the bubble-frame.
-class VIEWS_EXPORT BubbleWindowTargeter
-    : public NON_EXPORTED_BASE(wm::MaskedWindowTargeter) {
- public:
-  explicit BubbleWindowTargeter(BubbleDelegateView* bubble);
-  virtual ~BubbleWindowTargeter();
-
- private:
-  // wm::MaskedWindowTargeter:
-  virtual bool GetHitTestMask(aura::Window* window,
-                              gfx::Path* mask) const override;
-
-  views::BubbleDelegateView* bubble_;
-
-  DISALLOW_COPY_AND_ASSIGN(BubbleWindowTargeter);
-};
-
-}  // namespace views