Changing multiprocess test SpawnChild to return a struct.

components/crash/content/app/fallback_crash_handling_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_handling_win.h"
 
 #include "base/base_switches.h"
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/files/scoped_temp_dir.h"
@@ skipping 44 matching lines @@
 
 }  // namespace
 
 TEST_F(FallbackCrashHandlingTest, SetupAndRunAsFallbackCrashHandler) {
   // Launch a subprocess to test the fallback handling implementation.
   base::CommandLine cmd_line = base::GetMultiProcessTestChildBaseCommandLine();
   cmd_line.AppendSwitchPath("database", database_dir_.GetPath());
 
   base::LaunchOptions options;
   options.start_hidden = true;
-  base::Process test_child = base::SpawnMultiProcessTestChild(
+  base::SpawnChildResult spawn_result = base::SpawnMultiProcessTestChild(
       "FallbackCrashHandlingWinRunHandler", cmd_line, options);
+  base::Process test_child = std::move(spawn_result.process);
 
   ASSERT_TRUE(test_child.IsValid());
   int exit_code = -1;
   ASSERT_TRUE(test_child.WaitForExit(&exit_code));
   ASSERT_EQ(kFallbackCrashTerminationCode, static_cast<uint32_t>(exit_code));
 
   // Validate that the database contains one valid crash dump.
   std::unique_ptr<crashpad::CrashReportDatabase> database =
       crashpad::CrashReportDatabase::InitializeWithoutCreating(
           database_dir_.GetPath());
 
   std::vector<crashpad::CrashReportDatabase::Report> reports;
   ASSERT_EQ(crashpad::CrashReportDatabase::kNoError,
             database->GetPendingReports(&reports));
 
   EXPECT_EQ(1U, reports.size());
 }
 
 }  // namespace crash_reporter