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src/chrome/browser/obsolete_system/obsolete_system_linux.cc

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+// Copyright 2022 The Chromium Authors
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "chrome/browser/obsolete_system/obsolete_system.h"
+
+#include "base/linux_util.h"
+#include "base/strings/string_util.h"
+#include "chrome/grit/chromium_strings.h"
+#include "ui/base/l10n/l10n_util.h"
+
+const char kLinuxObsoleteUrl[] =
+    "https://support.google.com/chrome/?p=unsupported_linux";
+
+// This list contains the 2 most recently obsoleted distros according to
+// `kLinuxObsoleteUrl`.
+const char* const kObsoleteDistros[] = {
+    "Ubuntu 12.04", "Ubuntu 14.04", "Debian 7",           "Debian 8",
+    "Fedora 30",    "Fedora 31",    "openSUSE Leap 15.0", "openSUSE Leap 15.1",
+};
+
+// static
+bool ObsoleteSystem::IsObsoleteNowOrSoon() {
+  auto distro = base::GetLinuxDistro();
+  for (const char* obsolete : kObsoleteDistros) {
+    if (base::StartsWith(distro, obsolete))
+      return true;
+  }
+  return false;
+}
+
+// static
+std::u16string ObsoleteSystem::LocalizedObsoleteString() {
+  return l10n_util::GetStringUTF16(IDS_LINUX_OBSOLETE);
+}
+
+// static
+bool ObsoleteSystem::IsEndOfTheLine() {
+  return false;
+}
+
+// static
+const char* ObsoleteSystem::GetLinkURL() {
+  return kLinuxObsoleteUrl;
+}

src/chrome/browser/obsolete_system/obsolete_system_win.cc

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+// Copyright 2015 The Chromium Authors
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "chrome/browser/obsolete_system/obsolete_system.h"
+
+#include "base/cpu.h"
+#include "base/win/windows_version.h"
+#include "build/build_config.h"
+#include "chrome/common/chrome_version.h"
+#include "chrome/common/url_constants.h"
+#include "chrome/grit/chromium_strings.h"
+#include "ui/base/l10n/l10n_util.h"
+
+namespace {
+
+// Obsolete-system checks get the system version from kernel32.dll's version, to
+// avoid getting an incorrect version reported by App Compatibility mode. This
+// prevents obsolete-system warnings from appearing when Chrome is run in
+// compatibility mode on modern versions of Windows.
+base::win::Version GetRealOSVersion() {
+  return base::win::OSInfo::GetInstance()->Kernel32Version();
+}
+
+bool IsObsoleteOsVersion() {
+  return false;
+}
+
+}  // namespace
+
+// static
+bool ObsoleteSystem::IsObsoleteNowOrSoon() {
+  return false;
+}
+
+// static
+std::u16string ObsoleteSystem::LocalizedObsoleteString() {
+  const auto version = GetRealOSVersion();
+  if (version == base::win::Version::WIN7)
+    return l10n_util::GetStringUTF16(IDS_WIN_7_OBSOLETE);
+  if (version == base::win::Version::WIN8)
+    return l10n_util::GetStringUTF16(IDS_WIN_8_OBSOLETE);
+  if (version == base::win::Version::WIN8_1)
+    return l10n_util::GetStringUTF16(IDS_WIN_8_1_OBSOLETE);
+  return l10n_util::GetStringUTF16(IDS_WIN_XP_VISTA_OBSOLETE);
+}
+
+// static
+bool ObsoleteSystem::IsEndOfTheLine() {
+  return true;
+}
+
+// static
+const char* ObsoleteSystem::GetLinkURL() {
+  const auto version = GetRealOSVersion();
+  if (version < base::win::Version::WIN7)
+    return chrome::kWindowsXPVistaDeprecationURL;
+  return chrome::kWindows78DeprecationURL;
+}