Deleted OS_WIN and all Windows specific files from base.

base/base_paths.h

 // Copyright (c) 2012 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_BASE_PATHS_H_
 #define BASE_BASE_PATHS_H_
 
 // This file declares path keys for the base module.  These can be used with
 // the PathService to access various special directories and files.
 
 #include "build/build_config.h"
 
-#if defined(OS_WIN)
-#include "base/base_paths_win.h"
-#elif defined(OS_MACOSX)
+#if defined(OS_MACOSX)
 #include "base/base_paths_mac.h"
 #elif defined(OS_ANDROID)
 #include "base/base_paths_android.h"
 #endif
 
 #if defined(OS_POSIX)
 #include "base/base_paths_posix.h"
 #endif
 
 namespace base {
@@ skipping 20 matching lines @@
   DIR_USER_DESKTOP,  // The current user's Desktop.
 
   DIR_TEST_DATA,     // Used only for testing.
 
   PATH_END
 };
 
 }  // namespace base
 
 #endif  // BASE_BASE_PATHS_H_