Delete base/prefs and update callers to use components.

ios/chrome/browser/safe_browsing/safe_browsing_blocking_page.cc

 // Copyright 2015 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.
 //
 // Implementation of the SafeBrowsingBlockingPage class.
 
 #include "ios/chrome/browser/safe_browsing/safe_browsing_blocking_page.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/i18n/rtl.h"
 #include "base/lazy_instance.h"
 #include "base/macros.h"
 #include "base/metrics/field_trial.h"
 #include "base/metrics/histogram.h"
-#include "base/prefs/pref_service.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_piece.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/time/time.h"
 #include "base/values.h"
 #include "components/google/core/browser/google_util.h"
+#include "components/prefs/pref_service.h"
 #include "components/security_interstitials/core/controller_client.h"
 #include "ios/chrome/browser/application_context.h"
 #include "ios/chrome/browser/chrome_url_constants.h"
 #include "ios/chrome/browser/interstitials/ios_chrome_controller_client.h"
 #include "ios/chrome/browser/interstitials/ios_chrome_metrics_helper.h"
 #include "ios/chrome/browser/pref_names.h"
 #include "ios/chrome/browser/safe_browsing/ui_manager.h"
 #include "ios/chrome/grit/ios_strings.h"
 #include "ios/web/public/interstitials/web_interstitial.h"
 #include "ios/web/public/navigation_manager.h"
@@ skipping 554 matching lines @@
   } else {
     load_time_data->SetString(
         "finalParagraph",
         l10n_util::GetStringUTF16(IDS_IOS_PHISHING_V3_PROCEED_PARAGRAPH));
   }
 
   load_time_data->SetBoolean(security_interstitials::kDisplayCheckBox, false);
 }
 
 }  // namespace safe_browsing