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// 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 EXTENSIONS_COMMON_FEATURES_FEATURE_CHANNEL_H_
#define EXTENSIONS_COMMON_FEATURES_FEATURE_CHANNEL_H_
#include "base/macros.h"
namespace version_info {
enum class Channel;
}
namespace extensions {
// Gets the current channel as seen by the Feature system.
version_info::Channel GetCurrentChannel();
// Sets the current channel as seen by the Feature system. In the browser
// process this should be chrome::GetChannel(), and in the renderer this will
// need to come from an IPC. Note that the value set through this function may
// be overridden by |ScopedCurrentChannel|.
void SetCurrentChannel(version_info::Channel channel);
// Scoped channel setter. Use for tests.
// Note that the lifetimes of multiple instances of this class must be disjoint
// or nested, but never overlapping.
class ScopedCurrentChannel {
public:
explicit ScopedCurrentChannel(version_info::Channel channel);
~ScopedCurrentChannel();
private:
const version_info::Channel channel_;
const version_info::Channel original_overridden_channel_;
const int original_override_count_;
DISALLOW_COPY_AND_ASSIGN(ScopedCurrentChannel);
};
} // namespace extensions
#endif // EXTENSIONS_COMMON_FEATURES_FEATURE_CHANNEL_H_
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