It is time.

ui/views/rect_based_targeting_utils.cc

-// 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.
-
-#include "ui/views/rect_based_targeting_utils.h"
-
-#include "ui/gfx/point.h"
-#include "ui/gfx/rect.h"
-
-namespace views {
-
-bool UsePointBasedTargeting(const gfx::Rect& rect) {
-  return rect.width() == 1 && rect.height() == 1;
-}
-
-float PercentCoveredBy(const gfx::Rect& rect_1, const gfx::Rect& rect_2) {
-  gfx::Rect intersection(rect_1);
-  intersection.Intersect(rect_2);
-  int intersect_area = intersection.size().GetArea();
-  int rect_1_area = rect_1.size().GetArea();
-  return rect_1_area ?
-      static_cast<float>(intersect_area) / static_cast<float>(rect_1_area) : 0;
-}
-
-int DistanceSquaredFromCenterToPoint(const gfx::Point& point,
-                                     const gfx::Rect& rect) {
-  gfx::Point center_point = rect.CenterPoint();
-  int dx = center_point.x() - point.x();
-  int dy = center_point.y() - point.y();
-  return (dx * dx) + (dy * dy);
-}
-
-}  // namespace views