Remove unneeded stringprintf.h usage in chrome/ and net/

chrome/browser/net/safe_search_util.cc

 // Copyright 2014 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/net/safe_search_util.h"
 
 #include <string>
 #include <utility>
 #include <vector>
 
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_piece.h"
 #include "base/strings/string_split.h"
 #include "base/strings/string_util.h"
-#include "base/strings/stringprintf.h"
 #include "chrome/common/url_constants.h"
 #include "components/google/core/browser/google_util.h"
 #include "net/cookies/cookie_util.h"
 #include "net/http/http_request_headers.h"
 #include "net/url_request/url_request.h"
 #include "url/gurl.h"
 
 namespace {
 
 int g_force_google_safe_search_count_for_test = 0;
@@ skipping 100 matching lines @@
 
 void ClearForceGoogleSafeSearchCountForTesting() {
   g_force_google_safe_search_count_for_test = 0;
 }
 
 void ClearForceYouTubeRestrictCountForTesting() {
   g_force_youtube_restrict_count_for_test = 0;
 }
 
 }  // namespace safe_search_util