Update from chromium 62675d9fb31fb8cedc40f68e78e8445a74f362e7

sandbox/linux/suid/process_util.h

Index: sandbox/linux/suid/process_util.h
diff --git a/sandbox/linux/suid/process_util.h b/sandbox/linux/suid/process_util.h
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+// Copyright (c) 2012 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.
+
+// The following is duplicated from base/process_utils.h.
+// We shouldn't link against C++ code in a setuid binary.
+
+#ifndef SANDBOX_LINUX_SUID_PROCESS_UTIL_H_
+#define SANDBOX_LINUX_SUID_PROCESS_UTIL_H_
+
+#include <stdbool.h>
+#include <sys/types.h>
+
+// This adjusts /proc/process/oom_score_adj so the Linux OOM killer
+// will prefer certain process types over others. The range for the
+// adjustment is [-1000, 1000], with [0, 1000] being user accessible.
+//
+// If the Linux system isn't new enough to use oom_score_adj, then we
+// try to set the older oom_adj value instead, scaling the score to
+// the required range of [0, 15]. This may result in some aliasing of
+// values, of course.
+bool AdjustOOMScore(pid_t process, int score);
+
+// This adjusts /sys/kernel/mm/chromeos-low_mem/margin so that
+// the kernel notifies us that we are low on memory when less than
+// |margin_mb| megabytes are available.  Setting |margin_mb| to -1
+// turns off low memory notification.
+bool AdjustLowMemoryMargin(int64_t margin_mb);
+
+#endif  // SANDBOX_LINUX_SUID_PROCESS_UTIL_H_