Disable SDCH by Default

chrome/browser/profiles/off_the_record_profile_io_data.h

Index: chrome/browser/profiles/off_the_record_profile_io_data.h
diff --git a/chrome/browser/profiles/off_the_record_profile_io_data.h b/chrome/browser/profiles/off_the_record_profile_io_data.h
index eaef398c53aaa82c89e210cdd0ed22e15cf38037..9046eea4faf35f14ae46061db0e02f6c000589d9 100644
--- a/chrome/browser/profiles/off_the_record_profile_io_data.h
+++ b/chrome/browser/profiles/off_the_record_profile_io_data.h
@@ -22,7 +22,6 @@ class Profile;
 
 namespace net {
 class CookieStore;
-class SdchOwner;
 class URLRequestContext;
 }  // namespace net
 
@@ -145,8 +144,6 @@ class OffTheRecordProfileIOData : public ProfileIOData {
 
   mutable std::unique_ptr<net::URLRequestJobFactory> extensions_job_factory_;
 
-  mutable std::unique_ptr<net::SdchOwner> sdch_policy_;
-
   DISALLOW_COPY_AND_ASSIGN(OffTheRecordProfileIOData);
 };