Move PathExists to base namespace.

chrome/browser/performance_monitor/performance_monitor_browsertest.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 "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/logging.h"
 #include "base/path_service.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/threading/sequenced_worker_pool.h"
@@ skipping 289 matching lines @@
 #endif
 
     base::FilePath first_profile =
         user_data_directory.AppendASCII(first_profile_name_);
     CHECK(file_util::CreateDirectory(first_profile));
 
     base::FilePath stock_prefs_file;
     PathService::Get(chrome::DIR_TEST_DATA, &stock_prefs_file);
     stock_prefs_file = stock_prefs_file.AppendASCII("performance_monitor")
                                        .AppendASCII("unclean_exit_prefs");
-    CHECK(file_util::PathExists(stock_prefs_file));
+    CHECK(base::PathExists(stock_prefs_file));
 
     base::FilePath first_profile_prefs_file =
         first_profile.Append(chrome::kPreferencesFilename);
     CHECK(base::CopyFile(stock_prefs_file, first_profile_prefs_file));
-    CHECK(file_util::PathExists(first_profile_prefs_file));
+    CHECK(base::PathExists(first_profile_prefs_file));
 
     second_profile_name_ =
         std::string(chrome::kMultiProfileDirPrefix)
         .append(base::IntToString(1));
 
     base::FilePath second_profile =
         user_data_directory.AppendASCII(second_profile_name_);
     CHECK(file_util::CreateDirectory(second_profile));
 
     base::FilePath second_profile_prefs_file =
         second_profile.Append(chrome::kPreferencesFilename);
     CHECK(base::CopyFile(stock_prefs_file, second_profile_prefs_file));
-    CHECK(file_util::PathExists(second_profile_prefs_file));
+    CHECK(base::PathExists(second_profile_prefs_file));
 
     return true;
   }
 
  protected:
   std::string first_profile_name_;
   std::string second_profile_name_;
 };
 
 class PerformanceMonitorSessionRestoreBrowserTest
@@ skipping 451 matching lines @@
       test_server()->GetURL(std::string("files/").append("title2.html")));
 
   performance_monitor()->DoTimedCollections();
 
   metrics = GetStats(METRIC_NETWORK_BYTES_READ);
   ASSERT_EQ(2u, metrics.size());
   EXPECT_GE(metrics[1].value, page1_size + page2_size);
 }
 
 }  // namespace performance_monitor