It is time.

ui/views/rect_based_targeting_utils.h

Index: ui/views/rect_based_targeting_utils.h
diff --git a/ui/views/rect_based_targeting_utils.h b/ui/views/rect_based_targeting_utils.h
deleted file mode 100644
index 94da5a5069cfa244702a8a0fb836723301ed9fcd..0000000000000000000000000000000000000000
--- a/ui/views/rect_based_targeting_utils.h
+++ /dev/null
@@ -1,30 +0,0 @@
-// Copyright 2013 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_RECT_BASED_TARGETING_UTILS_H_
-#define UI_RECT_BASED_TARGETING_UTILS_H_
-
-#include "ui/views/views_export.h"
-
-namespace gfx {
-class Point;
-class Rect;
-}
-
-namespace views {
-
-// Returns true if |rect| is 1x1.
-VIEWS_EXPORT bool UsePointBasedTargeting(const gfx::Rect& rect);
-
-// Returns the percentage of |rect_1|'s area that is covered by |rect_2|.
-VIEWS_EXPORT float PercentCoveredBy(const gfx::Rect& rect_1,
-                                    const gfx::Rect& rect_2);
-
-// Returns the square of the distance from |point| to the center of |rect|.
-VIEWS_EXPORT int DistanceSquaredFromCenterToPoint(const gfx::Point& point,
-                                                  const gfx::Rect& rect);
-
-}  // namespace views
-
-#endif  // UI_RECT_BASED_TARGETING_UTILS_H_