Move PathExists to base namespace.

base/json/json_file_value_serializer.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/json/json_file_value_serializer.h"
 
 #include "base/file_util.h"
 #include "base/json/json_string_value_serializer.h"
 #include "base/logging.h"
 
@@ skipping 37 matching lines @@
   DCHECK(json_string);
   if (!file_util::ReadFileToString(json_file_path_, json_string)) {
 #if defined(OS_WIN)
     int error = ::GetLastError();
     if (error == ERROR_SHARING_VIOLATION || error == ERROR_LOCK_VIOLATION) {
       return JSON_FILE_LOCKED;
     } else if (error == ERROR_ACCESS_DENIED) {
       return JSON_ACCESS_DENIED;
     }
 #endif
-    if (!file_util::PathExists(json_file_path_))
+    if (!base::PathExists(json_file_path_))
       return JSON_NO_SUCH_FILE;
     else
       return JSON_CANNOT_READ_FILE;
   }
   return JSON_NO_ERROR;
 }
 
 const char* JSONFileValueSerializer::GetErrorMessageForCode(int error_code) {
   switch (error_code) {
     case JSON_NO_ERROR:
@@ skipping 21 matching lines @@
       *error_code = error;
     if (error_str)
       *error_str = GetErrorMessageForCode(error);
     return NULL;
   }
 
   JSONStringValueSerializer serializer(json_string);
   serializer.set_allow_trailing_comma(allow_trailing_comma_);
   return serializer.Deserialize(error_code, error_str);
 }