Make chrome_plugin_host.cc and chrome_plugin_util.cc compile on Posix.

chrome/common/common.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([
     '$BREAKPAD_DIR/using_breakpad.scons',
@@ skipping 214 matching lines @@
 
 if not env.Bit('windows'):
   # TODO(port): This is temporary so we can link.
   input_files.Append(
       'temp_scaffolding_stubs.cc',
       'file_descriptor_set_posix.cc',
   )
 
   # TODO(port): Port these.
   input_files.Remove(
-      'chrome_plugin_util.cc',
       'chrome_process_filter.cc',
       'drag_drop_types.cc',
       'gfx/emf.cc',
       'gfx/icon_util.cc',
       'gfx/path.cc',
       'os_exchange_data.cc',
       'process_watcher.cc',
   )
 
 if not env.Bit('windows'):
@@ skipping 96 matching lines @@
                 './common.vsprops',
                 '$(SolutionDir)../build/release.vsprops',
             ])
 
 p.AddFileConfig('../tools/build/win/precompiled.cc',
                 'Debug|Win32',
                 tools=[
                     MSVSTool('VCCLCompilerTool',
                              UsePrecompiledHeader='1'),
                 ])