Move PathExists to base namespace.

cloud_print/service/win/service_listener.cc

 // Copyright 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 "cloud_print/service/win/service_listener.h"
 
 #include "base/bind.h"
 #include "base/file_util.h"
 #include "base/files/file_path.h"
 #include "base/json/json_writer.h"
@@ skipping 22 matching lines @@
   environment.Set(SetupListener::kPrintersJsonValueName, printers.release());
   environment.SetBoolean(SetupListener::kXpsAvailableJsonValueName,
                          printing::XPSModule::Init());
   environment.SetString(SetupListener::kUserNameJsonValueName,
                         GetCurrentUserName());
   environment.SetString(SetupListener::kChromePathJsonValueName,
                         chrome_launcher_support::GetAnyChromePath().value());
   if (file_util::CreateDirectory(user_data_dir)) {
     base::FilePath temp_file;
     if (file_util::CreateTemporaryFileInDir(user_data_dir, &temp_file)) {
-      DCHECK(file_util::PathExists(temp_file));
+      DCHECK(base::PathExists(temp_file));
       environment.SetString(SetupListener::kUserDataDirJsonValueName,
                             user_data_dir.value());
       base::Delete(temp_file, false);
     }
   }
 
   std::string result;
   base::JSONWriter::Write(&environment, &result);
   return result;
 }
@@ skipping 41 matching lines @@
                                     IPC::Channel::MODE_CLIENT, this));
     channel_->Connect();
   } else {
     ipc_thread_->message_loop()->PostDelayedTask(
         FROM_HERE,
         base::Bind(&ServiceListener::Connect, base::Unretained(this)),
         base::TimeDelta::FromMilliseconds(500));
   }
 }