Linux: Migrate from breakpad to crashpad (see issue #3249)

Renderer process crashes are currently only reported with `--no-sandbox`.

libcef/common/util_linux.cc

@@ -0,0 +1,34 @@
+// Copyright 2022 The Chromium Embedded Framework Authors. Portions copyright
+// 2011 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.
+
+#include "libcef/common/util_linux.h"
+
+#include "base/command_line.h"
+#include "base/files/file_path.h"
+#include "base/path_service.h"
+#include "content/public/common/content_paths.h"
+#include "content/public/common/content_switches.h"
+
+namespace util_linux {
+
+namespace {
+
+void OverrideChildProcessPath() {
+  base::FilePath child_process_path =
+      base::CommandLine::ForCurrentProcess()->GetSwitchValuePath(
+          switches::kBrowserSubprocessPath);
+  if (child_process_path.empty())
+    return;
+
+  // Used by ChildProcessHost::GetChildPath and PlatformCrashpadInitialization.
+  base::PathService::Override(content::CHILD_PROCESS_EXE, child_process_path);
+}
+
+}  // namespace
+
+void PreSandboxStartup() {
+  OverrideChildProcessPath();
+}
+
+}  // namespace util_linux