Move PathExists to base namespace.

chrome/browser/spellchecker/spellcheck_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 "base/path_service.h"
 #include "base/synchronization/waitable_event.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/spellchecker/spellcheck_factory.h"
 #include "chrome/browser/spellchecker/spellcheck_service.h"
 #include "chrome/browser/ui/browser.h"
@@ skipping 60 matching lines @@
   // The SpellCheckHost object will send a BDICT_CORRUPTED event.
   SpellcheckServiceFactory::GetForProfile(GetProfile());
 
   // Check the received event. Also we check if Chrome has successfully deleted
   // the corrupted dictionary. We delete the corrupted dictionary to avoid
   // leaking it when this test fails.
   content::RunAllPendingInMessageLoop(content::BrowserThread::FILE);
   content::RunAllPendingInMessageLoop(content::BrowserThread::UI);
   EXPECT_EQ(SpellcheckService::BDICT_CORRUPTED,
             SpellcheckService::GetStatusEvent());
-  if (file_util::PathExists(bdict_path)) {
+  if (base::PathExists(bdict_path)) {
     ADD_FAILURE();
     EXPECT_TRUE(base::Delete(bdict_path, true));
   }
 }