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- // 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 "extensions/shell/browser/desktop_controller.h"
- #include <ostream>
- #include "base/check.h"
- namespace extensions {
- namespace {
- DesktopController* g_instance = NULL;
- } // namespace
- // static
- DesktopController* DesktopController::instance() {
- return g_instance;
- }
- DesktopController::DesktopController() {
- CHECK(!g_instance) << "DesktopController already exists";
- g_instance = this;
- }
- DesktopController::~DesktopController() {
- DCHECK(g_instance);
- g_instance = NULL;
- }
- } // namespace extensions
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