Move PathExists to base namespace.

chrome/test/perf/shutdown_test.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/environment.h"
 #include "base/file_util.h"
 #include "base/path_service.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/stringprintf.h"
 #include "base/sys_info.h"
@@ skipping 39 matching lines @@
           base::FilePath(FILE_PATH_LITERAL("on_before_unloader.html"))),
       ui_test_utils::GetTestFilePath(kCurrentDir,
           base::FilePath(FILE_PATH_LITERAL("animated-gifs.html"))),
       ui_test_utils::GetTestFilePath(kCurrentDir,
           base::FilePath(FILE_PATH_LITERAL("french_page.html"))),
       ui_test_utils::GetTestFilePath(kCurrentDir,
           base::FilePath(FILE_PATH_LITERAL("setcookie.html"))),
     };
 
     for (size_t i = 0; i < arraysize(test_cases); i++) {
-      ASSERT_TRUE(file_util::PathExists(test_cases[i]));
+      ASSERT_TRUE(base::PathExists(test_cases[i]));
       for (size_t j = 0; j < 5; j++) {
         ASSERT_TRUE(browser_proxy->AppendTab(
             net::FilePathToFileURL(test_cases[i])));
       }
     }
   }
 
   void RunShutdownTest(const char* graph, const char* trace,
                        bool important, TestSize test_size,
                        ProxyLauncher::ShutdownType shutdown_type) {
@@ skipping 90 matching lines @@
 #define MAYBE_TwentyTabsSessionEnding TwentyTabsSessionEnding
 #endif
 
 TEST_F(ShutdownTest, MAYBE_TwentyTabsSessionEnding) {
   RunShutdownTest("shutdown", "twentytabs-session-ending",
                   true, /* important */ TWENTY_TABS,
                   ProxyLauncher::SESSION_ENDING);
 }
 
 }  // namespace