Move the ProcessWatcher methods out of content/common/process_watcher into base/process_util, alo...

content/common/process_watcher_unittest.cc

-// Copyright (c) 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 "content/common/process_watcher.h"
-
-#include <sys/wait.h>
-
-#include "base/eintr_wrapper.h"
-#include "base/process_util.h"
-#include "base/test/multiprocess_test.h"
-#include "testing/gtest/include/gtest/gtest.h"
-#include "testing/multiprocess_func_list.h"
-
-class ProcessWatcherTest : public base::MultiProcessTest {
-};
-
-namespace {
-
-bool IsProcessDead(base::ProcessHandle child) {
-  // waitpid() will actually reap the process which is exactly NOT what we
-  // want to test for.  The good thing is that if it can't find the process
-  // we'll get a nice value for errno which we can test for.
-  const pid_t result = HANDLE_EINTR(waitpid(child, NULL, WNOHANG));
-  return result == -1 && errno == ECHILD;
-}
-
-}  // namespace
-
-TEST_F(ProcessWatcherTest, DelayedTermination) {
-  base::ProcessHandle child_process =
-      SpawnChild("process_watcher_test_never_die", false);
-  ASSERT_TRUE(child_process);
-  ProcessWatcher::EnsureProcessTerminated(child_process);
-  base::WaitForSingleProcess(child_process, 5000);
-
-  // Check that process was really killed.
-  EXPECT_TRUE(IsProcessDead(child_process));
-  base::CloseProcessHandle(child_process);
-}
-
-MULTIPROCESS_TEST_MAIN(process_watcher_test_never_die) {
-  while (1) {
-    sleep(500);
-  }
-  return 0;
-}
-
-TEST_F(ProcessWatcherTest, ImmediateTermination) {
-  base::ProcessHandle child_process =
-      SpawnChild("process_watcher_test_die_immediately", false);
-  ASSERT_TRUE(child_process);
-  // Give it time to die.
-  sleep(2);
-  ProcessWatcher::EnsureProcessTerminated(child_process);
-
-  // Check that process was really killed.
-  EXPECT_TRUE(IsProcessDead(child_process));
-  base::CloseProcessHandle(child_process);
-}
-
-MULTIPROCESS_TEST_MAIN(process_watcher_test_die_immediately) {
-  return 0;
-}