ui/touch_selection/touch_selection_menu_runner.cc

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "ui/touch_selection/touch_selection_menu_runner.h"
   6
   7 #include "base/logging.h"
   8
   9 namespace ui {
  10 namespace {
  11
  12 TouchSelectionMenuRunner* g_touch_selection_menu_runner = nullptr;
  13
  14 }  // namespace
  15
  16 TouchSelectionMenuRunner::~TouchSelectionMenuRunner() {
  17   DCHECK_EQ(this, g_touch_selection_menu_runner);
  18   g_touch_selection_menu_runner = nullptr;
  19 }
  20
  21 TouchSelectionMenuRunner* TouchSelectionMenuRunner::GetInstance() {
  22   return g_touch_selection_menu_runner;
  23 }
  24
  25 TouchSelectionMenuRunner::TouchSelectionMenuRunner() {
  26   DCHECK(!g_touch_selection_menu_runner);
  27   g_touch_selection_menu_runner = this;
  28 }
  29
  30 }  // namespace ui