Move PathExists to base namespace.

chrome/browser/first_run/first_run_unittest.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 "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/file_util.h"
 #include "base/path_service.h"
 #include "base/test/scoped_path_override.h"
 #include "chrome/browser/first_run/first_run.h"
@@ skipping 16 matching lines @@
   base::FilePath sentinel_path_;
 
  private:
   base::ScopedPathOverride user_data_dir_override_;
 
   DISALLOW_COPY_AND_ASSIGN(FirstRunTest);
 };
 
 TEST_F(FirstRunTest, RemoveSentinel) {
   EXPECT_TRUE(CreateSentinel());
-  EXPECT_TRUE(file_util::PathExists(sentinel_path_));
+  EXPECT_TRUE(base::PathExists(sentinel_path_));
 
   EXPECT_TRUE(RemoveSentinel());
-  EXPECT_FALSE(file_util::PathExists(sentinel_path_));
+  EXPECT_FALSE(base::PathExists(sentinel_path_));
 }
 
 TEST_F(FirstRunTest, SetupMasterPrefsFromInstallPrefs_VariationsSeed) {
   installer::MasterPreferences install_prefs("{ \"variations_seed\":\"xyz\" }");
 
   MasterPrefs out_prefs;
   internal::SetupMasterPrefsFromInstallPrefs(install_prefs, &out_prefs);
   EXPECT_EQ("xyz", out_prefs.variations_seed);
 }
 
 TEST_F(FirstRunTest, SetupMasterPrefsFromInstallPrefs_NoVariationsSeed) {
   installer::MasterPreferences install_prefs("{ }");
 
   MasterPrefs out_prefs;
   internal::SetupMasterPrefsFromInstallPrefs(install_prefs, &out_prefs);
   EXPECT_TRUE(out_prefs.variations_seed.empty());
 }
 
 }  // namespace first_run