$NetBSD$

* Part of patchset to build chromium on NetBSD
* Based on OpenBSD's chromium patches, and
  pkgsrc's qt5-qtwebengine patches

--- base/memory/discardable_memory.cc.orig	2026-03-11 22:12:25.000000000 +0000
+++ base/memory/discardable_memory.cc
@@ -20,7 +20,7 @@ namespace features {
 BASE_FEATURE(kMadvFreeDiscardableMemory, base::FEATURE_DISABLED_BY_DEFAULT);
 #endif  // BUILDFLAG(IS_POSIX)
 
-#if BUILDFLAG(IS_ANDROID) || BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS)
+#if BUILDFLAG(IS_ANDROID) || BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS) || BUILDFLAG(IS_BSD)
 BASE_FEATURE(kDiscardableMemoryBackingTrial, base::FEATURE_DISABLED_BY_DEFAULT);
 
 BASE_FEATURE_ENUM_PARAM(DiscardableMemoryTrialGroup,
@@ -36,7 +36,7 @@ BASE_FEATURE_ENUM_PARAM(DiscardableMemor
 
 namespace {
 
-#if BUILDFLAG(IS_ANDROID) || BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS)
+#if BUILDFLAG(IS_ANDROID) || BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS) || BUILDFLAG(IS_BSD)
 
 DiscardableMemoryBacking GetBackingForFieldTrial() {
   DiscardableMemoryTrialGroup trial_group =
@@ -54,7 +54,7 @@ DiscardableMemoryBacking GetBackingForFi
 
 }  // namespace
 
-#if BUILDFLAG(IS_ANDROID) || BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS)
+#if BUILDFLAG(IS_ANDROID) || BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS) || BUILDFLAG(IS_BSD)
 
 // Probe capabilities of this device to determine whether we should participate
 // in the discardable memory backing trial.
@@ -81,7 +81,7 @@ DiscardableMemory::DiscardableMemory() =
 DiscardableMemory::~DiscardableMemory() = default;
 
 DiscardableMemoryBacking GetDiscardableMemoryBacking() {
-#if BUILDFLAG(IS_ANDROID) || BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS)
+#if BUILDFLAG(IS_ANDROID) || BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS) || BUILDFLAG(IS_BSD)
   if (DiscardableMemoryBackingFieldTrialIsEnabled()) {
     return GetBackingForFieldTrial();
   }