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

base/base_unittests.scons

Index: base/base_unittests.scons
===================================================================
--- base/base_unittests.scons	(revision 4068)
+++ base/base_unittests.scons	(working copy)
@@ -60,19 +60,10 @@
   )
 
 if env['PLATFORM'] == 'posix':
-  # Explicity list the functions we want to export from the base_unittest
-  # executable in the following file.
-  env['EXPORTED_SYMBOLS_FILE'] = \
-      env.File('$CHROME_SRC_DIR/base/base_unittest_exported_symbols.version')
-
   env.Append(
       LIBS = [
           'event',
       ],
-      LINKFLAGS = [
-          '-Xlinker',
-          '--dynamic-list=$EXPORTED_SYMBOLS_FILE'
-      ],
   )
 
 # These test files work on *all* platforms; tests that don't work