Delete base/prefs and update callers to use components.

ios/chrome/browser/passwords/ios_chrome_password_manager_client.h

 // 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.
 
 #ifndef IOS_CHROME_BROWSER_PASSWORDS_IOS_CHROME_PASSWORD_MANAGER_CLIENT_H_
 #define IOS_CHROME_BROWSER_PASSWORDS_IOS_CHROME_PASSWORD_MANAGER_CLIENT_H_
 
 #include "base/macros.h"
-#include "base/prefs/pref_member.h"
 #import "components/password_manager/core/browser/password_manager_client.h"
 #include "components/password_manager/sync/browser/sync_credentials_filter.h"
+#include "components/prefs/pref_member.h"
 
 namespace ios {
 class ChromeBrowserState;
 }
 
 namespace password_manager {
 class PasswordFormManager;
 }
 
 @protocol PasswordManagerClientDelegate
@@ skipping 48 matching lines @@
   // The preference associated with
   // password_manager::prefs::kPasswordManagerSavingEnabled.
   BooleanPrefMember saving_passwords_enabled_;
 
   const password_manager::SyncCredentialsFilter credentials_filter_;
 
   DISALLOW_COPY_AND_ASSIGN(IOSChromePasswordManagerClient);
 };
 
 #endif  // IOS_CHROME_BROWSER_PASSWORDS_IOS_CHROME_PASSWORD_MANAGER_CLIENT_H_