[Cleanup] Remove StringPrintf from global namespace

chrome/service/cloud_print/cloud_print_helpers.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/service/cloud_print/cloud_print_helpers.h"
 
 #include "base/stringprintf.h"
 #include "chrome/common/cloud_print/cloud_print_constants.h"
 #include "chrome/common/cloud_print/cloud_print_helpers.h"
 #include "chrome/service/cloud_print/cloud_print_token_store.h"
@@ skipping 34 matching lines @@
 }
 
 GURL GetUrlForJobStatusUpdate(const GURL& cloud_print_server_url,
                               const std::string& job_id,
                               const PrintJobDetails& details) {
   std::string status_string = StringFromJobStatus(details.status);
   std::string path(AppendPathToUrl(cloud_print_server_url, "control"));
   GURL::Replacements replacements;
   replacements.SetPathStr(path);
   std::string query =
-      StringPrintf("jobid=%s&status=%s&code=%d&message=%s"
-                   "&numpages=%d&pagesprinted=%d",
-                   job_id.c_str(),
-                   status_string.c_str(),
-                   details.platform_status_flags,
-                   details.status_message.c_str(),
-                   details.total_pages,
-                   details.pages_printed);
+      base::StringPrintf("jobid=%s&status=%s&code=%d&message=%s"
+                         "&numpages=%d&pagesprinted=%d",
+                         job_id.c_str(),
+                         status_string.c_str(),
+                         details.platform_status_flags,
+                         details.status_message.c_str(),
+                         details.total_pages,
+                         details.pages_printed);
   replacements.SetQueryStr(query);
   return cloud_print_server_url.ReplaceComponents(replacements);
 }
 
 std::string GetHashOfPrinterInfo(
     const printing::PrinterBasicInfo& printer_info) {
   return GetHashOfPrinterTags(printer_info.options);
 }
 
 std::string GetPostDataForPrinterInfo(
@@ skipping 16 matching lines @@
   if (!token_store || token_store->token().empty()) {
     // Using LOG here for critical errors. GCP connector may run in the headless
     // mode and error indication might be useful for user in that case.
     LOG(ERROR) << "CP_PROXY: Missing OAuth token for request";
     return std::string();
   }
   return GetCloudPrintAuthHeader(token_store->token());
 }
 
 }  // namespace cloud_print