MultiProcessTest: Update SpawnChild* to return a Process.

ipc/mojo/ipc_mojo_bootstrap_unittest.cc

 // Copyright 2014 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 "ipc/mojo/ipc_mojo_bootstrap.h"
 
 #include "base/base_paths.h"
 #include "base/files/file.h"
 #include "base/message_loop/message_loop.h"
 #include "ipc/ipc_test_base.h"
@@ skipping 37 matching lines @@
   TestingDelegate delegate;
   scoped_ptr<IPC::MojoBootstrap> bootstrap = IPC::MojoBootstrap::Create(
       GetTestChannelHandle(), IPC::Channel::MODE_SERVER, &delegate);
 
   ASSERT_TRUE(bootstrap->Connect());
 #if defined(OS_POSIX)
   ASSERT_TRUE(StartClientWithFD(bootstrap->GetClientFileDescriptor()));
 #else
   ASSERT_TRUE(StartClient());
 #endif
-  bootstrap->OnClientLaunched(client_process());
+  bootstrap->OnClientLaunched(client_process().Handle());
 
   base::MessageLoop::current()->Run();
 
   EXPECT_TRUE(delegate.passed());
   EXPECT_TRUE(WaitForClientShutdown());
 }
 
 // A long running process that connects to us.
 MULTIPROCESS_IPC_TEST_CLIENT_MAIN(IPCMojoBootstrapTestClient) {
   base::MessageLoopForIO main_message_loop;
 
   TestingDelegate delegate;
   scoped_ptr<IPC::MojoBootstrap> bootstrap = IPC::MojoBootstrap::Create(
       IPCTestBase::GetChannelName("IPCMojoBootstrapTestClient"),
       IPC::Channel::MODE_CLIENT,
       &delegate);
 
   bootstrap->Connect();
 
   base::MessageLoop::current()->Run();
 
   EXPECT_TRUE(delegate.passed());
 
   return 0;
 }
 
 }  // namespace