Get something in chrome/plugin/ compiling to make Scons happy.

chrome/plugin/plugin.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([
     '$NPAPI_DIR/using_npapi.scons',
@@ skipping 48 matching lines @@
   input_files.Remove(
       '$CHROME_DIR/tools/build/win/precompiled$OBJSUFFIX',
   )
 
 if env.Bit('posix'):
   # TODO(port)
   input_files.Remove(
       'chrome_plugin_host.cc',
       'npobject_proxy.cc',
       'npobject_stub.cc',
-      'npobject_util.cc',
       'plugin_channel.cc',
       'plugin_channel_base.cc',
       'plugin_main.cc',
       'plugin_process.cc',
       'plugin_thread.cc',
       'webplugin_delegate_stub.cc',
       'webplugin_proxy.cc',
   )
 
 env.ChromeLibrary('plugin', input_files)
@@ skipping 43 matching lines @@
                 '$(SolutionDir)../third_party/npapi/using_npapi.vsprops',
                 '$(SolutionDir)../skia/using_skia.vsprops',
             ])
 
 p.AddFileConfig('../tools/build/win/precompiled.cc',
                 'Debug|Win32',
                 tools=[
                     MSVSTool('VCCLCompilerTool',
                              UsePrecompiledHeader='1'),
                 ])