Move PathExists to base namespace.

chrome/browser/prefs/pref_service_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 <string>
 
 #include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/json/json_file_value_serializer.h"
@@ skipping 59 matching lines @@
       CHECK(file_util::CreateDirectory(tmp_pref_file_));
       tmp_pref_file_ = tmp_pref_file_.Append(chrome::kPreferencesFilename);
     } else {
       reference_pref_file = ui_test_utils::GetTestFilePath(
           base::FilePath().AppendASCII("profiles").
                      AppendASCII("window_placement"),
           base::FilePath().Append(chrome::kLocalStateFilename));
       tmp_pref_file_ = user_data_directory.Append(chrome::kLocalStateFilename);
     }
 
-    CHECK(file_util::PathExists(reference_pref_file));
+    CHECK(base::PathExists(reference_pref_file));
     // Copy only the Preferences file if |new_profile_|, or Local State if not,
     // and the rest will be automatically created.
     CHECK(base::CopyFile(reference_pref_file, tmp_pref_file_));
 
 #if defined(OS_WIN)
     // Make the copy writable.  On POSIX we assume the umask allows files
     // we create to be writable.
     CHECK(::SetFileAttributesW(tmp_pref_file_.value().c_str(),
         FILE_ATTRIBUTE_NORMAL));
 #endif
@@ skipping 115 matching lines @@
   EXPECT_EQ(right, bounds.x() + bounds.width());
 
   // Find if launched window is maximized.
   bool is_window_maximized = browser()->window()->IsMaximized();
   bool is_maximized = false;
   EXPECT_TRUE(root_dict->GetBoolean(kBrowserWindowPlacement + ".maximized",
       &is_maximized));
   EXPECT_EQ(is_maximized, is_window_maximized);
 }
 #endif