Disable SDCH by Default

ios/chrome/browser/browser_state/off_the_record_chrome_browser_state_io_data.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_BROWSER_STATE_OFF_THE_RECORD_CHROME_BROWSER_STATE_IO_DATA_H_
 #define IOS_CHROME_BROWSER_BROWSER_STATE_OFF_THE_RECORD_CHROME_BROWSER_STATE_IO_DATA_H_
 
 #include <memory>
 
 #include "base/callback.h"
 #include "base/containers/hash_tables.h"
 #include "base/files/file_path.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "ios/chrome/browser/browser_state/chrome_browser_state_io_data.h"
 #include "ios/chrome/browser/net/net_types.h"
 
 class IOSChromeURLRequestContextGetter;
 
 namespace ios {
 class ChromeBrowserState;
 }
 
 namespace net {
 class CookieStore;
 class HttpNetworkSession;
 class HttpTransactionFactory;
-class SdchManager;
-class SdchOwner;
 class URLRequestContext;
 }  // namespace net
 
 // OffTheRecordChromeBrowserState owns a
 // OffTheRecordChromeBrowserStateIOData::Handle, which holds a reference to the
 // OffTheRecordChromeBrowserStateIOData.
 // OffTheRecordChromeBrowserStateIOData is intended to own all the objects owned
 // by OffTheRecordChromeBrowserState which live on the IO thread, such as, but
 // not limited to, network objects like CookieMonster, HttpTransactionFactory,
 // etc.
@@ skipping 68 matching lines @@
   mutable std::unique_ptr<net::HttpTransactionFactory> main_http_factory_;
 
   mutable std::unique_ptr<net::CookieStore> main_cookie_store_;
 
   mutable std::unique_ptr<net::URLRequestJobFactory> main_job_factory_;
 
   // Server bound certificates and cookies are persisted to the disk on iOS.
   base::FilePath cookie_path_;
   base::FilePath channel_id_path_;
 
-  mutable std::unique_ptr<net::SdchManager> sdch_manager_;
-  mutable std::unique_ptr<net::SdchOwner> sdch_policy_;
-
   DISALLOW_COPY_AND_ASSIGN(OffTheRecordChromeBrowserStateIOData);
 };
 
 #endif  // IOS_CHROME_BROWSER_BROWSER_STATE_OFF_THE_RECORD_CHROME_BROWSER_STATE_IO_DATA_H_