[Cleanup] Remove StringPrintf from global namespace

chrome/browser/sync/test/integration/bookmarks_helper.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/sync/test/integration/bookmarks_helper.h"
 
 #include "base/compiler_specific.h"
 #include "base/file_util.h"
 #include "base/path_service.h"
 #include "base/rand_util.h"
@@ skipping 718 matching lines @@
     return gfx::Image();
 
   full_path = full_path.AppendASCII("sync").AppendASCII(path);
   std::string contents;
   file_util::ReadFileToString(full_path, &contents);
   return gfx::Image::CreateFrom1xPNGBytes(
       reinterpret_cast<const unsigned char*>(contents.data()), contents.size());
 }
 
 std::string IndexedURL(int i) {
-  return StringPrintf("http://www.host.ext:1234/path/filename/%d", i);
+  return base::StringPrintf("http://www.host.ext:1234/path/filename/%d", i);
 }
 
 std::wstring IndexedURLTitle(int i) {
-  return StringPrintf(L"URL Title %d", i);
+  return base::StringPrintf(L"URL Title %d", i);
 }
 
 std::wstring IndexedFolderName(int i) {
-  return StringPrintf(L"Folder Name %d", i);
+  return base::StringPrintf(L"Folder Name %d", i);
 }
 
 std::wstring IndexedSubfolderName(int i) {
-  return StringPrintf(L"Subfolder Name %d", i);
+  return base::StringPrintf(L"Subfolder Name %d", i);
 }
 
 std::wstring IndexedSubsubfolderName(int i) {
-  return StringPrintf(L"Subsubfolder Name %d", i);
+  return base::StringPrintf(L"Subsubfolder Name %d", i);
 }
 
 }  // namespace bookmarks_helper