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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"
#include "base/macros.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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