1) Add a new MULTIPROCESS_TEST_MAIN macro to store child process names...

base/multiprocess_test.h

 // Copyright (c) 2006-2008 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_MULTIPROCESS_TEST_H__
 #define BASE_MULTIPROCESS_TEST_H__
 
 #include "base/command_line.h"
 #include "base/platform_test.h"
 #include "base/process_util.h"
 #include "base/string_util.h"
 #include "testing/gtest/include/gtest/gtest.h"
+#include "testing/multiprocess_func_list.h"
 
 #if defined(OS_POSIX)
 #include <sys/types.h>
 #include <unistd.h>
 #endif
 
 // Command line switch to invoke a child process rather than
 // to run the normal test suite.
 static const wchar_t kRunClientProcess[] = L"client";
 
 // A MultiProcessTest is a test class which makes it easier to
 // write a test which requires code running out of process.
 //
 // To create a multiprocess test simply follow these steps:
 //
 // 1) Derive your test from MultiProcessTest.
-// 2) Modify your mainline so that if it sees the
-//    kRunClientProcess switch, it will deal with it.
-// 3) Create a mainline function for the child processes
-// 4) Call SpawnChild("foo"), where "foo" is the name of
+// 2) Create a mainline function for the child processes and include
+//    testing/multiprocess_func_list.h.
+//    See the declaration of the MULTIPROCESS_TEST_MAIN macro
+//    in that file for an example.
+// 3) Call SpawnChild("foo"), where "foo" is the name of
 //    the function you wish to run in the child processes.
-// 5) On Linux, add the function's name to the list in the file
-//    base_unittests_exported_symbols.version
 // That's it!
 //
 class MultiProcessTest : public PlatformTest {
- public:
-  // Prototype function for a client function.  Multi-process
-  // clients must provide a callback with this signature to run.
-  typedef int (*ChildFunctionPtr)();
-
  protected:
   // 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
   //    }
@@ skipping 18 matching lines @@
     std::string switchstr = WideToUTF8(wswitchstr);
     clvec.push_back(switchstr.c_str());
     process_util::LaunchApp(clvec, false, &handle);
 #endif
 
     return handle;
   }
 };
 
 #endif  // BASE_MULTIPROCESS_TEST_H__
-