File: utility_process_client.cc

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// Copyright 2025 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "content/browser/service_host/utility_process_client.h"

#include <optional>
#include <string>

#include "base/functional/callback.h"
#include "base/process/process.h"
#include "content/browser/service_host/service_process_tracker.h"
#include "content/browser/service_host/utility_process_host.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/service_process_info.h"
#include "url/gurl.h"

namespace content {
UtilityProcessClient::UtilityProcessClient(
    const std::string& service_interface_name,
    const std::optional<GURL>& site,
    base::OnceCallback<void(const base::Process&)> process_callback)
    : service_interface_name_(service_interface_name),
      site_(std::move(site)),
      process_callback_(std::move(process_callback)) {}

UtilityProcessClient::~UtilityProcessClient() = default;

void UtilityProcessClient::OnProcessLaunched(const base::Process& process) {
  CHECK_CURRENTLY_ON(BrowserThread::UI);
  process_info_.emplace(GetServiceProcessTracker().AddProcess(
      process.Duplicate(), site_, service_interface_name_));
  if (process_callback_) {
    std::move(process_callback_).Run(process);
  }
}

void UtilityProcessClient::OnProcessTerminatedNormally() {
  GetServiceProcessTracker().NotifyTerminated(
      process_info_->service_process_id());
}

void UtilityProcessClient::OnProcessCrashed() {
  // TODO(crbug.com/40654042): It is unclear how we can observe
  // |OnProcessCrashed()| without observing |OnProcessLaunched()| first, but
  // it can happen on Android. Ignore the notification in this case.
  if (!process_info_) {
    return;
  }

  GetServiceProcessTracker().NotifyCrashed(process_info_->service_process_id());
}
}  // namespace content