Move temp file functions to base namespace.

chrome/browser/first_run/first_run_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/command_line.h"
 #include "base/files/file_path.h"
 #include "base/memory/ref_counted.h"
 #include "base/prefs/pref_service.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 65 matching lines @@
 class FirstRunMasterPrefsBrowserTestBase : public InProcessBrowserTest {
  public:
   FirstRunMasterPrefsBrowserTestBase() {}
 
  protected:
   virtual void SetUp() OVERRIDE {
     // All users of this test class need to call SetMasterPreferencesForTest()
     // before this class' SetUp() is invoked.
     ASSERT_TRUE(text_.get());
 
-    ASSERT_TRUE(file_util::CreateTemporaryFile(&prefs_file_));
+    ASSERT_TRUE(base::CreateTemporaryFile(&prefs_file_));
     EXPECT_TRUE(file_util::WriteFile(prefs_file_, text_->c_str(),
                                      text_->size()));
     first_run::SetMasterPrefsPathForTesting(prefs_file_);
 
     // This invokes BrowserMain, and does the import, so must be done last.
     InProcessBrowserTest::SetUp();
   }
 
   virtual void TearDown() OVERRIDE {
     EXPECT_TRUE(base::DeleteFile(prefs_file_, false));
@@ skipping 107 matching lines @@
                        ImportNothingAndShowNewTabPage) {
   EXPECT_EQ(first_run::AUTO_IMPORT_CALLED, first_run::auto_import_state());
   ui_test_utils::NavigateToURLWithDisposition(
       browser(), GURL(chrome::kChromeUINewTabURL), CURRENT_TAB,
       ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
   content::WebContents* tab = browser()->tab_strip_model()->GetWebContentsAt(0);
   EXPECT_EQ(1, tab->GetMaxPageID());
 }
 
 #endif  // !defined(OS_CHROMEOS)