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

chrome/installer/util/installation_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/installation_state.h"
 
 #include "base/logging.h"
 #include "base/string_util.h"
 #include "base/version.h"
 #include "base/win/registry.h"
@@ skipping 125 matching lines @@
     if (key.ReadValueDW(google_update::kRegEULAAceptedField,
                         &dword_value) == ERROR_SUCCESS) {
       has_eula_accepted_ = true;
       eula_accepted_ = dword_value;
     }
   }
 
   return version_.get() != NULL;
 }
 
-FilePath ProductState::GetSetupPath() const {
+base::FilePath ProductState::GetSetupPath() const {
   return uninstall_command_.GetProgram();
 }
 
 const Version& ProductState::version() const {
   DCHECK(version_.get() != NULL);
   return *version_;
 }
 
 ProductState& ProductState::CopyFrom(const ProductState& other) {
   channel_.set_value(other.channel_.value());
@@ skipping 111 matching lines @@
 }
 
 const ProductState* InstallationState::GetProductState(
     bool system_install,
     BrowserDistribution::Type type) const {
   const ProductState* product_state =
       GetNonVersionedProductState(system_install, type);
   return product_state->version_.get() == NULL ? NULL : product_state;
 }
 }  // namespace installer