[Cleanup] Remove StringPrintf from global namespace

chrome_frame/urlmon_url_request.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_frame/urlmon_url_request.h"
 
 #include <urlmon.h>
 #include <wininet.h>
 
 #include "base/bind.h"
@@ skipping 1065 matching lines @@
     new_request = created_request;
   }
 
   // Format upload data if it's chunked.
   if (request_info.upload_data && request_info.upload_data->is_chunked()) {
     ScopedVector<net::UploadElement>* elements =
         request_info.upload_data->elements_mutable();
     for (size_t i = 0; i < elements->size(); ++i) {
       net::UploadElement* element = (*elements)[i];
       DCHECK(element->type() == net::UploadElement::TYPE_BYTES);
-      std::string chunk_length = StringPrintf(
+      std::string chunk_length = base::StringPrintf(
           "%X\r\n", static_cast<unsigned int>(element->bytes_length()));
       std::vector<char> bytes;
       bytes.insert(bytes.end(), chunk_length.data(),
                    chunk_length.data() + chunk_length.length());
       const char* data = element->bytes();
       bytes.insert(bytes.end(), data, data + element->bytes_length());
       const char* crlf = "\r\n";
       bytes.insert(bytes.end(), crlf, crlf + strlen(crlf));
       if (i == elements->size() - 1) {
         const char* end_of_data = "0\r\n\r\n";
@@ skipping 342 matching lines @@
       privacy_info_.privacy_records[UTF8ToWide(url)];
 
   privacy_entry.flags |= flags;
   privacy_entry.policy_ref = UTF8ToWide(policy_ref);
 
   if (fire_privacy_event && IsWindow(notification_window_)) {
     PostMessage(notification_window_, WM_FIRE_PRIVACY_CHANGE_NOTIFICATION, 1,
                 0);
   }
 }