Adds some ifdefs so that test_shell can be compiled on linux...

chrome/common/chrome_paths_linux.cc

 // 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.
 
 #include "chrome/common/chrome_paths_internal.h"
 
+#if defined(TOOLKIT_GTK)
 #include <glib.h>
+#endif
 #include <stdlib.h>
 
 #include "base/file_path.h"
 #include "base/path_service.h"
 #include "chrome/third_party/xdg_user_dirs/xdg_user_dir_lookup.h"
 
 namespace {
 
 FilePath GetHomeDir() {
   const char *home_dir = getenv("HOME");
 
   if (home_dir && home_dir[0])
     return FilePath(home_dir);
 
+#if defined(TOOLKIT_GTK)
   home_dir = g_get_home_dir();
   if (home_dir && home_dir[0])
     return FilePath(home_dir);
+#endif
 
   FilePath rv;
   if (PathService::Get(base::DIR_TEMP, &rv))
     return rv;
 
   /* last resort */
   return FilePath("/tmp/");
 }
 
 // Wrapper around xdg_user_dir_lookup() from
@@ skipping 61 matching lines @@
 
   return true;
 }
 
 bool GetUserDesktop(FilePath* result) {
   *result = GetXDGUserDirectory("DESKTOP", "Desktop");
   return true;
 }
 
 }  // namespace chrome