base: Fix the TODO in string_util.h

chrome/browser/password_manager/native_backend_gnome_x_unittest.cc

 // Copyright (c) 2011 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 <stdarg.h>
 
 #include "base/basictypes.h"
 #include "base/stl_util.h"
 #include "base/string_util.h"
+#include "base/stringprintf.h"
 #include "base/time.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/password_manager/native_backend_gnome_x.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/test/base/testing_browser_process_test.h"
 #include "chrome/test/base/testing_profile.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using webkit_glue::PasswordForm;
@@ skipping 75 matching lines @@
     const gchar* keyring,
     const gchar* display_name,
     const gchar* password,
     GnomeKeyringOperationDoneCallback callback,
     gpointer data,
     GDestroyNotify destroy_data,
     ...) {
   mock_keyring_items.push_back(
       MockKeyringItem(keyring, display_name, password));
   MockKeyringItem* item = &mock_keyring_items.back();
-  const std::string keyring_desc = keyring ? StringPrintf("keyring %s", keyring)
-                                           : std::string("default keyring");
+  const std::string keyring_desc =
+      keyring ? base::StringPrintf("keyring %s", keyring)
+              : std::string("default keyring");
   VLOG(1) << "Adding item with origin " << display_name
           << " to " << keyring_desc;
   va_list ap;
   va_start(ap, destroy_data);
   char* name;
   while ((name = va_arg(ap, gchar*))) {
     if (IsStringAttribute(schema, name)) {
       item->attributes[name] =
           MockKeyringItem::ItemAttribute(va_arg(ap, gchar*));
       VLOG(1) << "Adding item attribute " << name
@@ skipping 741 matching lines @@
     RunBothThreads();
 
     // The other two copies of the password in different profiles should remain.
     EXPECT_EQ(2u, mock_keyring_items.size());
     if (mock_keyring_items.size() > 0)
       CheckMockKeyringItem(&mock_keyring_items[0], form_google_, "chrome");
     if (mock_keyring_items.size() > 1)
       CheckMockKeyringItem(&mock_keyring_items[1], form_google_, "chrome-42");
   }
 }