Changing multiprocess test SpawnChild to return a struct.

chrome/browser/printing/cloud_print/test/cloud_print_proxy_process_browsertest.cc

 // 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.
 
 // Create a service process that uses a Mock to respond to the browser in order
 // to test launching the browser using the cloud print policy check command
 // line switch.
 
 #include <stdint.h>
 
@@ skipping 452 matching lines @@
 
   startup_channel_handle_ = mojo::edk::NamedPlatformHandle(
       base::StringPrintf("%d.%p.%d", base::GetCurrentProcId(), this,
                          base::RandInt(0, std::numeric_limits<int>::max())));
   startup_channel_ = IPC::ChannelProxy::Create(
       mojo::edk::ConnectToPeerProcess(
           mojo::edk::CreateServerHandle(startup_channel_handle_))
           .release(),
       IPC::Channel::MODE_SERVER, this, IOTaskRunner());
 
-  base::Process process = SpawnChild(name);
-  EXPECT_TRUE(process.IsValid());
-  return process;
+  base::SpawnChildResult spawn_result = SpawnChild(name);
+  EXPECT_TRUE(spawn_result.process.IsValid());
+  return std::move(spawn_result.process);
 }
 
 void CloudPrintProxyPolicyStartupTest::WaitForConnect() {
   observer_.Wait();
   EXPECT_TRUE(CheckServiceProcessReady());
   EXPECT_TRUE(base::ThreadTaskRunnerHandle::Get().get());
 
   mojo::MessagePipe pipe;
   BrowserThread::PostBlockingPoolTask(
       FROM_HERE, base::Bind(&ConnectOnBlockingPool, base::Passed(&pipe.handle1),
@@ skipping 49 matching lines @@
   // constructed.
   chrome::TestingIOThreadState testing_io_thread_state;
 
   base::Process process =
       Launch("CloudPrintMockService_StartEnabledWaitForQuit");
   WaitForConnect();
   ShutdownAndWaitForExitWithTimeout(std::move(process));
   ServiceProcessControl::GetInstance()->Disconnect();
   content::RunAllPendingInMessageLoop();
 }