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

chrome/installer/util/helper.cc

 // 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.
 
 #include "chrome/installer/util/helper.h"
 
 #include "base/logging.h"
 #include "base/file_path.h"
 #include "base/path_service.h"
 #include "base/win/windows_version.h"
 #include "chrome/common/chrome_constants.h"
 #include "chrome/installer/util/browser_distribution.h"
 #include "chrome/installer/util/installation_state.h"
 #include "chrome/installer/util/install_util.h"
 #include "chrome/installer/util/util_constants.h"
 
 namespace {
 
-FilePath GetChromeInstallBasePath(bool system,
-                                  BrowserDistribution* distribution,
-                                  const wchar_t* sub_path) {
+base::FilePath GetChromeInstallBasePath(bool system,
+                                        BrowserDistribution* distribution,
+                                        const wchar_t* sub_path) {
   base::FilePath install_path;
   if (system) {
     PathService::Get(base::DIR_PROGRAM_FILES, &install_path);
   } else {
     PathService::Get(base::DIR_LOCAL_APP_DATA, &install_path);
   }
 
   if (!install_path.empty()) {
     install_path = install_path.Append(distribution->GetInstallSubDir());
     install_path = install_path.Append(sub_path);
   }
 
   return install_path;
 }
 
 }  // namespace
 
 namespace installer {
 
-FilePath GetChromeInstallPath(bool system_install, BrowserDistribution* dist) {
+base::FilePath GetChromeInstallPath(bool system_install,
+                                    BrowserDistribution* dist) {
   return GetChromeInstallBasePath(system_install, dist, kInstallBinaryDir);
 }
 
 void GetChromeUserDataPaths(BrowserDistribution* dist,
                             std::vector<base::FilePath>* paths) {
   const bool has_metro_data = dist->CanSetAsDefault() &&
       base::win::GetVersion() >= base::win::VERSION_WIN8;
   base::FilePath data_dir(GetChromeInstallBasePath(false, dist,
                                                    kInstallUserDataDir));
   if (data_dir.empty()) {
@@ skipping 23 matching lines @@
   } else {
     return dist;
   }
 }
 
 std::wstring GetAppGuidForUpdates(bool system_install) {
   return GetBinariesDistribution(system_install)->GetAppGuid();
 }
 
 }  // namespace installer.