MultiProcessTest: Update SpawnChild* to return a Process.

base/test/multiprocess_test.h

 // 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.
 
 #ifndef BASE_TEST_MULTIPROCESS_TEST_H_
 #define BASE_TEST_MULTIPROCESS_TEST_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/process/launch.h"
-#include "base/process/process_handle.h"
+#include "base/process/process.h"
 #include "build/build_config.h"
 #include "testing/platform_test.h"
 
 namespace base {
 
 class CommandLine;
 
 // Helpers to spawn a child for a multiprocess test and execute a designated
 // function. Use these when you already have another base class for your test
 // fixture, but you want (some) of your tests to be multiprocess (otherwise you
@@ skipping 28 matching lines @@
 //   MULTIPROCESS_TEST_MAIN(a_test_func) {
 //     // Code here runs in a child process....
 //     return 0;
 //   }
 
 // Spawns a child process and executes the function |procname| declared using
 // |MULTIPROCESS_TEST_MAIN()| or |MULTIPROCESS_TEST_MAIN_WITH_SETUP()|.
 // |command_line| should be as provided by
 // |GetMultiProcessTestChildBaseCommandLine()| (below), possibly with arguments
 // added. Note: On Windows, you probably want to set |options.start_hidden|.
-ProcessHandle SpawnMultiProcessTestChild(
+Process SpawnMultiProcessTestChild(
     const std::string& procname,
     const CommandLine& command_line,
     const LaunchOptions& options);
 
 // Gets the base command line for |SpawnMultiProcessTestChild()|. To this, you
 // may add any flags needed for your child process.
 CommandLine GetMultiProcessTestChildBaseCommandLine();
 
 // MultiProcessTest ------------------------------------------------------------
 
@@ skipping 26 matching lines @@
   // Run a child process.
   // 'procname' is the name of a function which the child will
   // execute.  It must be exported from this library in order to
   // run.
   //
   // Example signature:
   //    extern "C" int __declspec(dllexport) FooBar() {
   //         // do client work here
   //    }
   //
-  // Returns the handle to the child, or NULL on failure
-  ProcessHandle SpawnChild(const std::string& procname);
+  // Returns the child process.
+  Process SpawnChild(const std::string& procname);
 
   // Run a child process using the given launch options.
   //
   // Note: On Windows, you probably want to set |options.start_hidden|.
-  ProcessHandle SpawnChildWithOptions(const std::string& procname,
-                                      const LaunchOptions& options);
+  Process SpawnChildWithOptions(const std::string& procname,
+                                const LaunchOptions& options);
 
   // Set up the command line used to spawn the child process.
   // Override this to add things to the command line (calling this first in the
   // override).
   // Note that currently some tests rely on this providing a full command line,
   // which they then use directly with |LaunchProcess()|.
   // TODO(viettrungluu): Remove this and add a virtual
   // |ModifyChildCommandLine()|; make the two divergent uses more sane.
   virtual CommandLine MakeCmdLine(const std::string& procname);
 
  private:
   DISALLOW_COPY_AND_ASSIGN(MultiProcessTest);
 };
 
 }  // namespace base
 
 #endif  // BASE_TEST_MULTIPROCESS_TEST_H_