Revert my change to get the tree green. Not sure why the tests became flaky....

chrome/test/unit/unit_tests.scons

 # 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.
 
 Import('env')
 
 env = env.Clone()
 
 env.SConscript([
     '$BASE_DIR/gfx/using_base_gfx.scons',
@@ skipping 189 matching lines @@
   ]),
   MSVSFilter('common', [
     '$CHROME_DIR/common/animation_unittest.cc',
     '$CHROME_DIR/common/bzip2_unittest.cc',
     '$CHROME_DIR/common/chrome_plugin_unittest.cc',
     '$CHROME_DIR/common/extensions/url_pattern_unittest.cc',
     '$CHROME_DIR/common/gfx/emf_unittest.cc',
     '$CHROME_DIR/common/gfx/icon_util_unittest.cc',
     '$CHROME_DIR/common/ipc_message_unittest.cc',
     '$CHROME_DIR/common/ipc_sync_channel_unittest.cc',
+    '$CHROME_DIR/common/ipc_sync_channel_unittest.h',
     '$CHROME_DIR/common/ipc_sync_message_unittest.cc',
     '$CHROME_DIR/common/ipc_sync_message_unittest.h',
     '$CHROME_DIR/common/json_value_serializer_unittest.cc',
     '$CHROME_DIR/common/l10n_util_unittest.cc',
     '$CHROME_DIR/common/mru_cache_unittest.cc',
     '$CHROME_DIR/common/notification_service_unittest.cc',
     '$CHROME_DIR/common/os_exchange_data_unittest.cc',
     '$CHROME_DIR/common/pref_member_unittest.cc',
     '$CHROME_DIR/common/pref_service_unittest.cc',
     '$CHROME_DIR/common/property_bag_unittest.cc',
@@ skipping 362 matching lines @@
                 '../../third_party/hunspell/using_hunspell.vsprops',
                 '../../../third_party/npapi/using_npapi.vsprops',
             ])
 
 p.AddFileConfig('../../tools/build/win/precompiled_wtl.cc',
                 'Debug|Win32',
                 tools=[
                     MSVSTool('VCCLCompilerTool',
                              UsePrecompiledHeader='1'),
                 ])