Move PathExists to base namespace.

chrome/browser/prefs/chrome_pref_service_unittest.cc

 // Copyright (c) 2013 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/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/path_service.h"
 #include "base/prefs/pref_registry_simple.h"
@@ skipping 49 matching lines @@
   EXPECT_TRUE(actual_bool_value);
 }
 
 class ChromePrefServiceUserFilePrefsTest : public testing::Test {
  protected:
   virtual void SetUp() {
     ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
 
     ASSERT_TRUE(PathService::Get(chrome::DIR_TEST_DATA, &data_dir_));
     data_dir_ = data_dir_.AppendASCII("pref_service");
-    ASSERT_TRUE(file_util::PathExists(data_dir_));
+    ASSERT_TRUE(base::PathExists(data_dir_));
   }
 
   void ClearListValue(PrefService* prefs, const char* key) {
     ListPrefUpdate updater(prefs, key);
     updater->Clear();
   }
 
   void ClearDictionaryValue(PrefService* prefs, const char* key) {
     DictionaryPrefUpdate updater(prefs, key);
     updater->Clear();
@@ skipping 49 matching lines @@
   ClearDictionaryValue(prefs.get(), "dict");
   ClearDictionaryValue(prefs.get(), "dict_needs_empty_value");
 
   // Write to file.
   prefs->CommitPendingWrite();
   message_loop_.RunUntilIdle();
 
   // Compare to expected output.
   base::FilePath golden_output_file =
       data_dir_.AppendASCII("write.golden.need_empty_value.json");
-  ASSERT_TRUE(file_util::PathExists(golden_output_file));
+  ASSERT_TRUE(base::PathExists(golden_output_file));
   EXPECT_TRUE(file_util::TextContentsEqual(golden_output_file, pref_file));
 }
 
 class ChromePrefServiceWebKitPrefs : public ChromeRenderViewHostTestHarness {
  protected:
   virtual void SetUp() {
     ChromeRenderViewHostTestHarness::SetUp();
 
     // Supply our own profile so we use the correct profile data. The test
     // harness is not supposed to overwrite a profile if it's already created.
@@ skipping 35 matching lines @@
   const char kDefaultFont[] = "Times";
 #elif defined(OS_CHROMEOS)
   const char kDefaultFont[] = "Tinos";
 #else
   const char kDefaultFont[] = "Times New Roman";
 #endif
   EXPECT_EQ(ASCIIToUTF16(kDefaultFont),
             webkit_prefs.standard_font_family_map[prefs::kWebKitCommonScript]);
   EXPECT_TRUE(webkit_prefs.javascript_enabled);
 }