[Cleanup] Remove StringPrintf from global namespace

chrome/browser/chromeos/sim_dialog_delegate.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 "chrome/browser/chromeos/sim_dialog_delegate.h"
 
 #include "base/stringprintf.h"
 #include "chrome/browser/chromeos/login/user_manager.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/ui/browser_dialogs.h"
@@ skipping 58 matching lines @@
     std::string url_string(chrome::kChromeUISimUnlockURL);
     return GURL(url_string);
   } else {
     std::string mode_value;
     if (dialog_mode_ == SIM_DIALOG_CHANGE_PIN)
       mode_value = kSimDialogChangePinMode;
     else if (dialog_mode_ == SIM_DIALOG_SET_LOCK_ON)
       mode_value = kSimDialogSetLockOnMode;
     else
       mode_value = kSimDialogSetLockOffMode;
-    return GURL(StringPrintf(kSimDialogSpecialModeURL, mode_value.c_str()));
+    return GURL(
+        base::StringPrintf(kSimDialogSpecialModeURL, mode_value.c_str()));
   }
 }
 
 void SimDialogDelegate::GetWebUIMessageHandlers(
     std::vector<WebUIMessageHandler*>* handlers) const {
 }
 
 void SimDialogDelegate::GetDialogSize(gfx::Size* size) const {
   // TODO(nkostylev): Set custom size based on locale settings.
   if (dialog_mode_ == SIM_DIALOG_CHANGE_PIN)
@@ skipping 20 matching lines @@
   return false;
 }
 
 bool SimDialogDelegate::HandleContextMenu(
     const content::ContextMenuParams& params) {
   // Disable context menu.
   return true;
 }
 
 }  // namespace chromeos