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// Copyright 2016 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 CONTENT_PUBLIC_BROWSER_MEMORY_PRESSURE_CONTROLLER_H_
#define CONTENT_PUBLIC_BROWSER_MEMORY_PRESSURE_CONTROLLER_H_
#include "base/memory/memory_pressure_listener.h"
#include "content/common/content_export.h"
namespace content {
class BrowserChildProcessHost;
class RenderProcessHost;
// Allows content embedders to forward memory pressure events from the main
// browser process to children processes. For more details see
// content/browser/memory/memory_pressure_controller_impl.h.
class CONTENT_EXPORT MemoryPressureController {
public:
// Sends a memory pressure notification to the specified browser child process
// via its attached MemoryMessageFilter. May be called on any thread.
static void SendPressureNotification(
const BrowserChildProcessHost* child_process_host,
base::MemoryPressureListener::MemoryPressureLevel level);
// Sends a memory pressure notification to the specified renderer process via
// its attached MemoryMessageFilter. May be called on any thread.
static void SendPressureNotification(
const RenderProcessHost* render_process_host,
base::MemoryPressureListener::MemoryPressureLevel level);
private:
DISALLOW_COPY_AND_ASSIGN(MemoryPressureController);
};
} // namespace content
#endif // CONTENT_PUBLIC_BROWSER_MEMORY_PRESSURE_CONTROLLER_H_
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