Disable "using base::FilePath" on Linux since it now compiles.

chromeos/tools/onc_validator/onc_validator.cc

 // Copyright (c) 2011 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 <cstdio>
 #include <iostream>
 
 #include "base/basictypes.h"
 #include "base/command_line.h"
 #include "base/file_path.h"
@@ skipping 65 matching lines @@
           "  %i  File couldn't be read or is not a valid JSON dictionary.\n"
           "  %i  Some command line arguments are wrong.\n",
           kStatusValid,
           kStatusWarnings,
           kStatusInvalid,
           kStatusJsonError,
           kStatusArgumentError);
 }
 
 scoped_ptr<base::DictionaryValue> ReadDictionary(std::string filename) {
-  FilePath path(filename);
+  base::FilePath path(filename);
   JSONFileValueSerializer serializer(path);
   serializer.set_allow_trailing_comma(true);
 
   base::DictionaryValue* dict = NULL;
 
   std::string json_error;
   base::Value* value = serializer.Deserialize(NULL, &json_error);
   if (!value) {
     LOG(ERROR) << "Couldn't json-deserialize file '" << filename
                << "': " << json_error;
@@ skipping 57 matching lines @@
     case chromeos::onc::Validator::VALID:
       return kStatusValid;
     case chromeos::onc::Validator::VALID_WITH_WARNINGS:
       return kStatusWarnings;
     case chromeos::onc::Validator::INVALID:
       return kStatusInvalid;
     default:
       CHECK(false);
   }
 }