Move temp file functions to base namespace.

chrome/browser/media/chrome_webrtc_browsertest.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 "base/command_line.h"
 #include "base/file_util.h"
 #include "base/json/json_reader.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/path_service.h"
 #include "base/process/launch.h"
@@ skipping 209 matching lines @@
   AssertNoAsynchronousErrors(right_tab);
 
   ASSERT_TRUE(peerconnection_server_.Stop());
 }
 
 IN_PROC_BROWSER_TEST_F(MAYBE_WebrtcBrowserTest, MANUAL_CpuUsage15Seconds) {
   ASSERT_TRUE(embedded_test_server()->InitializeAndWaitUntilReady());
   ASSERT_TRUE(peerconnection_server_.Start());
 
   base::FilePath results_file;
-  ASSERT_TRUE(file_util::CreateTemporaryFile(&results_file));
+  ASSERT_TRUE(base::CreateTemporaryFile(&results_file));
 
   content::WebContents* left_tab = OpenTestPageAndGetUserMediaInNewTab();
 
 #if defined(OS_MACOSX)
   // Don't measure renderer CPU on mac: requires a mach broker we don't have
   // access to from the browser test.
   scoped_ptr<base::ProcessMetrics> browser_process_metrics(
       base::ProcessMetrics::CreateProcessMetrics(
           base::Process::Current().handle(), NULL));
   browser_process_metrics->GetCPUUsage();
@@ skipping 109 matching lines @@
 
   HangUp(left_tab);
   WaitUntilHangupVerified(left_tab);
   WaitUntilHangupVerified(right_tab);
 
   AssertNoAsynchronousErrors(left_tab);
   AssertNoAsynchronousErrors(right_tab);
 
   ASSERT_TRUE(peerconnection_server_.Stop());
 }