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

chrome/installer/util/installer_state.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/installer_state.h"
 
 #include <algorithm>
 #include <functional>
 #include <utility>
 
@@ skipping 328 matching lines @@
     default:
       DCHECK(type == UNKNOWN_PACKAGE_TYPE);
       package_type_ = UNKNOWN_PACKAGE_TYPE;
       multi_package_distribution_ = NULL;
       break;
   }
 }
 
 // Returns the Chrome binaries directory for multi-install or |dist|'s directory
 // otherwise.
-FilePath InstallerState::GetDefaultProductInstallPath(
+base::FilePath InstallerState::GetDefaultProductInstallPath(
     BrowserDistribution* dist) const {
   DCHECK(dist);
   DCHECK(package_type_ != UNKNOWN_PACKAGE_TYPE);
 
   if (package_type_ == SINGLE_PACKAGE) {
     return GetChromeInstallPath(system_install(), dist);
   } else {
     return GetChromeInstallPath(system_install(),
         BrowserDistribution::GetSpecificDistribution(
             BrowserDistribution::CHROME_BINARIES));
@@ skipping 230 matching lines @@
   if (current_version != NULL) {
     base::FilePath cf_install_path(
         target_path().AppendASCII(current_version->GetString())
                      .Append(kChromeFrameDll));
     in_use = file_util::PathExists(cf_install_path) &&
         IsFileInUse(cf_install_path);
   }
   return in_use;
 }
 
-FilePath InstallerState::GetInstallerDirectory(const Version& version) const {
+base::FilePath InstallerState::GetInstallerDirectory(
+    const Version& version) const {
   return target_path().Append(ASCIIToWide(version.GetString()))
       .Append(kInstallerDir);
 }
 
 // static
 bool InstallerState::IsFileInUse(const base::FilePath& file) {
   // Call CreateFile with a share mode of 0 which should cause this to fail
   // with ERROR_SHARING_VIOLATION if the file exists and is in-use.
   return !base::win::ScopedHandle(CreateFile(file.value().c_str(),
                                              GENERIC_WRITE, 0, NULL,
@@ skipping 180 matching lines @@
   }
   if (!install_list->Do())
     LOG(ERROR) << "Failed to record installer error information in registry.";
 }
 
 bool InstallerState::RequiresActiveSetup() const {
   return system_install() && FindProduct(BrowserDistribution::CHROME_BROWSER);
 }
 
 }  // namespace installer