Changing multiprocess test SpawnChild to return a struct.

components/crash/content/app/fallback_crash_handler_launcher_win_unittest.cc

 // Copyright 2017 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 "components/crash/content/app/fallback_crash_handler_launcher_win.h"
 
 #include <dbghelp.h>
 
 #include "base/base_switches.h"
 #include "base/command_line.h"
@@ skipping 125 matching lines @@
 }
 
 class FallbackCrashHandlerLauncherTest : public base::MultiProcessTest {};
 
 }  // namespace
 
 TEST_F(FallbackCrashHandlerLauncherTest, LaunchAndWaitForHandler) {
   // Because this process is heavily multithreaded it's going to be flaky
   // and generally fraught with peril to try and grab a minidump of it.
   // Instead, fire off a sacrificial process to do the testing.
-  base::Process test_process = SpawnChild("TestCrashHandlerLauncherMain");
+  base::SpawnChildResult spawn_child =
+      SpawnChild("TestCrashHandlerLauncherMain");
   int exit_code = 0;
-  ASSERT_TRUE(test_process.WaitForExit(&exit_code));
+  ASSERT_TRUE(spawn_child.process.WaitForExit(&exit_code));
   ASSERT_EQ(0, exit_code);
 }
 
 }  // namespace crash_reporter