Move PathExists to base namespace.

chrome/browser/safe_browsing/safe_browsing_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.
 //
 // This test creates a safebrowsing service using test safebrowsing database
 // and a test protocol manager. It is used to test logics in safebrowsing
 // service.
 
 #include <algorithm>
 
@@ skipping 877 matching lines @@
     GURL url_prefix = test_server()->GetURL(
         "expect-and-set-cookie?expect=a%3db"
         "&set=c%3dd%3b%20Expires=Fri,%2001%20Jan%202038%2001:01:01%20GMT"
         "&data=foo#");
     command_line->AppendSwitchASCII(switches::kSbURLPrefix, url_prefix.spec());
   }
 
   virtual bool SetUpUserDataDirectory() OVERRIDE {
     base::FilePath cookie_path(
         SafeBrowsingService::GetCookieFilePathForTesting());
-    EXPECT_FALSE(file_util::PathExists(cookie_path));
+    EXPECT_FALSE(base::PathExists(cookie_path));
 
     base::FilePath test_dir;
     if (!PathService::Get(chrome::DIR_TEST_DATA, &test_dir)) {
       EXPECT_TRUE(false);
       return false;
     }
 
     // Initialize the SafeBrowsing cookies with a pre-created cookie store.  It
     // contains a single cookie, for domain 127.0.0.1, with value a=b, and
     // expires in 2038.
@@ skipping 77 matching lines @@
   content::WindowedNotificationObserver observer(
       chrome::NOTIFICATION_SAFE_BROWSING_UPDATE_COMPLETE,
       content::Source<SafeBrowsingDatabaseManager>(
           sb_service_->database_manager().get()));
   BrowserThread::PostTask(
       BrowserThread::IO,
       FROM_HERE,
       base::Bind(&SafeBrowsingDatabaseManagerCookieTest::ForceUpdate, this));
   observer.Wait();
 }