Update from https://crrev.com/316786

base/test/multiprocess_test.h

 // Copyright (c) 2012 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.
 
 #ifndef BASE_TEST_MULTIPROCESS_TEST_H_
 #define BASE_TEST_MULTIPROCESS_TEST_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 15 matching lines @@
 //
 //   TEST_F(MyTest, ATest) {
 //     CommandLine command_line(
 //         base::GetMultiProcessTestChildBaseCommandLine());
 //     // Maybe add our own switches to |command_line|....
 //
 //     LaunchOptions options;
 //     // Maybe set some options (e.g., |start_hidden| on Windows)....
 //
 //     // Start a child process and run |a_test_func|.
-//     base::ProcessHandle test_child_handle =
+//     base::Process test_child_process =
 //         base::SpawnMultiProcessTestChild("a_test_func", command_line,
 //                                          options);
 //
-//     // Do stuff involving |test_child_handle| and the child process....
+//     // Do stuff involving |test_child_process| and the child process....
 //
 //     int rv = -1;
-//     ASSERT_TRUE(base::WaitForExitCodeWithTimeout(
-//         test_child_handle, &rv, TestTimeouts::action_timeout()));
-//     base::CloseProcessHandle(test_child_handle);
+//     ASSERT_TRUE(test_child_process.WaitForExitWithTimeout(
+//         TestTimeouts::action_timeout(), &rv));
 //     EXPECT_EQ(0, rv);
 //   }
 //
 //   // Note: |MULTIPROCESS_TEST_MAIN()| is defined in
 //   // testing/multi_process_function_list.h.
 //   MULTIPROCESS_TEST_MAIN(a_test_func) {
 //     // Code here runs in a child process....
 //     return 0;
 //   }
 
@@ skipping 67 matching lines @@
   // |ModifyChildCommandLine()|; make the two divergent uses more sane.
   virtual CommandLine MakeCmdLine(const std::string& procname);
 
  private:
   DISALLOW_COPY_AND_ASSIGN(MultiProcessTest);
 };
 
 }  // namespace base
 
 #endif  // BASE_TEST_MULTIPROCESS_TEST_H_