[Cleanup] Remove StringPrintf from global namespace

chrome/browser/extensions/webstore_inline_installer.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/extensions/webstore_inline_installer.h"
 
 #include "base/stringprintf.h"
 #include "chrome/browser/profiles/profile.h"
 #include "content/public/browser/web_contents.h"
 
@@ skipping 129 matching lines @@
   AbortInstall();
 }
 
 // static
 bool WebstoreInlineInstaller::IsRequestorURLInVerifiedSite(
     const GURL& requestor_url,
     const std::string& verified_site) {
   // Turn the verified site (which may be a bare domain, or have a port and/or a
   // path) into a URL that can be parsed by URLPattern.
   std::string verified_site_url =
-      StringPrintf("http://*.%s%s",
+      base::StringPrintf(
+          "http://*.%s%s",
           verified_site.c_str(),
           verified_site.find('/') == std::string::npos ? "/*" : "*");
 
   URLPattern verified_site_pattern(
       URLPattern::SCHEME_HTTP | URLPattern::SCHEME_HTTPS);
   URLPattern::ParseResult parse_result =
       verified_site_pattern.Parse(verified_site_url);
   if (parse_result != URLPattern::PARSE_SUCCESS) {
     DLOG(WARNING) << "Could not parse " << verified_site_url <<
         " as URL pattern " << parse_result;
     return false;
   }
   verified_site_pattern.SetScheme("*");
 
   return verified_site_pattern.MatchesURL(requestor_url);
 }
 
 }  // namespace extensions