[Cleanup] Remove StringPrintf from global namespace

chrome/browser/extensions/api/font_settings/font_settings_api.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.
 
 // Font Settings Extension API implementation.
 
 #include "chrome/browser/extensions/api/font_settings/font_settings_api.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 49 matching lines @@
 const char kWebKitFontPrefFormat[] = "webkit.webprefs.fonts.%s.%s";
 
 // Gets the font name preference path for |generic_family| and |script|. If
 // |script| is NULL, uses prefs::kWebKitCommonScript.
 std::string GetFontNamePrefPath(fonts::GenericFamily generic_family_enum,
                                 fonts::ScriptCode script_enum) {
   std::string script = fonts::ToString(script_enum);
   if (script.empty())
     script = prefs::kWebKitCommonScript;
   std::string generic_family = fonts::ToString(generic_family_enum);
-  return StringPrintf(kWebKitFontPrefFormat,
-                      generic_family.c_str(),
-                      script.c_str());
+  return base::StringPrintf(kWebKitFontPrefFormat,
+                            generic_family.c_str(),
+                            script.c_str());
 }
 
 // Returns the localized name of a font so that it can be matched within the
 // list of system fonts. On Windows, the list of system fonts has names only
 // for the system locale, but the pref value may be in the English name.
 std::string MaybeGetLocalizedFontName(const std::string& font_name) {
 #if defined(OS_WIN)
   if (!font_name.empty()) {
     gfx::Font font(font_name, 12);  // dummy font size
     return static_cast<gfx::PlatformFontWin*>(font.platform_font())->
@@ skipping 382 matching lines @@
 
 const char* FontSettingsSetMinimumFontSizeFunction::GetPrefName() {
   return prefs::kWebKitMinimumFontSize;
 }
 
 const char* FontSettingsSetMinimumFontSizeFunction::GetKey() {
   return kPixelSizeKey;
 }
 
 }  // namespace extensions