Disable SDCH by Default

chrome/browser/profiles/off_the_record_profile_io_data.h

 // 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.
 
 #ifndef CHROME_BROWSER_PROFILES_OFF_THE_RECORD_PROFILE_IO_DATA_H_
 #define CHROME_BROWSER_PROFILES_OFF_THE_RECORD_PROFILE_IO_DATA_H_
 
 #include <memory>
 #include <string>
 
 #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 "chrome/browser/custom_handlers/protocol_handler_registry.h"
 #include "chrome/browser/profiles/profile_io_data.h"
 #include "chrome/browser/profiles/storage_partition_descriptor.h"
 
 class ChromeURLRequestContextGetter;
 class Profile;
 
 namespace net {
 class CookieStore;
-class SdchOwner;
 class URLRequestContext;
 }  // namespace net
 
 // OffTheRecordProfile owns a OffTheRecordProfileIOData::Handle, which holds a
 // reference to the OffTheRecordProfileIOData. OffTheRecordProfileIOData is
 // intended to own all the objects owned by OffTheRecordProfile which live on
 // the IO thread, such as, but not limited to, network objects like
 // CookieMonster, HttpTransactionFactory, etc. OffTheRecordProfileIOData is
 // owned by the OffTheRecordProfile and OffTheRecordProfileIOData's
 // ChromeURLRequestContexts. When all of them go away, then ProfileIOData will
@@ skipping 102 matching lines @@
       content::URLRequestInterceptorScopedVector request_interceptors)
       const override;
   net::URLRequestContext* AcquireIsolatedMediaRequestContext(
       net::URLRequestContext* app_context,
       const StoragePartitionDescriptor& partition_descriptor) const override;
 
   mutable std::unique_ptr<net::CookieStore> extensions_cookie_store_;
 
   mutable std::unique_ptr<net::URLRequestJobFactory> extensions_job_factory_;
 
-  mutable std::unique_ptr<net::SdchOwner> sdch_policy_;
-
   DISALLOW_COPY_AND_ASSIGN(OffTheRecordProfileIOData);
 };
 
 #endif  // CHROME_BROWSER_PROFILES_OFF_THE_RECORD_PROFILE_IO_DATA_H_