MultiProcessTest: Update SpawnChild* to return a Process.

mojo/edk/test/multiprocess_test_helper.h

 // Copyright 2013 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 MOJO_EDK_TEST_MULTIPROCESS_TEST_HELPER_H_
 #define MOJO_EDK_TEST_MULTIPROCESS_TEST_HELPER_H_
 
 #include <string>
 
 #include "base/macros.h"
-#include "base/process/process_handle.h"
+#include "base/process/process.h"
 #include "base/test/multiprocess_test.h"
 #include "base/test/test_timeouts.h"
 #include "mojo/edk/embedder/scoped_platform_handle.h"
 #include "testing/multiprocess_func_list.h"
 
 namespace mojo {
 
 namespace embedder {
 class PlatformChannelPair;
 }
@@ skipping 29 matching lines @@
   // For use in the main process:
   embedder::ScopedPlatformHandle server_platform_handle;
 
   // For use (and only valid) in the child process:
   static embedder::ScopedPlatformHandle client_platform_handle;
 
  private:
   scoped_ptr<embedder::PlatformChannelPair> platform_channel_pair_;
 
   // Valid after |StartChild()| and before |WaitForChildShutdown()|.
-  base::ProcessHandle test_child_handle_;
+  base::Process test_child_;
 
   DISALLOW_COPY_AND_ASSIGN(MultiprocessTestHelper);
 };
 
 // Use this to declare the child process's "main()" function for tests using
 // |MultiprocessTestHelper|. It returns an |int|, which will be the process's
 // exit code (but see the comment about |WaitForChildShutdown()|).
 #define MOJO_MULTIPROCESS_TEST_CHILD_MAIN(test_child_name) \
   MULTIPROCESS_TEST_MAIN_WITH_SETUP(                       \
       test_child_name##TestChildMain,                      \
@@ skipping 11 matching lines @@
             ::testing::Test::HasNonfatalFailure())         \
                ? 1                                         \
                : 0;                                        \
   }                                                        \
   void test_child_name##TestChildTest()
 
 }  // namespace test
 }  // namespace mojo
 
 #endif  // MOJO_EDK_TEST_MULTIPROCESS_TEST_HELPER_H_