651     backup_.reset();  in SetTrackChanges()
668   if (!backup_)  in RevertChanges()
672   if (backup_->backups_ & kChangedUrl)  in RevertChanges()
673     url_ = backup_->url_;  in RevertChanges()
674   if (backup_->backups_ & kChangedMethod)  in RevertChanges()
675     method_ = backup_->method_;  in RevertChanges()
676   if (backup_->backups_ & kChangedReferrer) {  in RevertChanges()
677     referrer_url_ = backup_->referrer_url_;  in RevertChanges()
678     referrer_policy_ = backup_->referrer_policy_;  in RevertChanges()
680   if (backup_->backups_ & kChangedPostData)  in RevertChanges()
681     postdata_ = backup_->postdata_;  in RevertChanges()
682   if (backup_->backups_ & kChangedHeaderMap) {  in RevertChanges()
683     DCHECK(backup_->headermap_);  in RevertChanges()
684     headermap_.swap(*backup_->headermap_);  in RevertChanges()
686   if (backup_->backups_ & kChangedFlags)  in RevertChanges()
687     flags_ = backup_->flags_;  in RevertChanges()
688   if (backup_->backups_ & kChangedSiteForCookies)  in RevertChanges()
689     site_for_cookies_ = backup_->site_for_cookies_;  in RevertChanges()
691   backup_.reset();  in RevertChanges()
698   backup_.reset();  in DiscardChanges()
772     if (!backup_)  in Changed()
773       backup_.reset(new Backup());  in Changed()
776     if ((changes & kChangedUrl) && !(backup_->backups_ & kChangedUrl)) {  in Changed()
777       backup_->url_ = url_;  in Changed()
778       backup_->backups_ |= kChangedUrl;  in Changed()
780     if ((changes & kChangedMethod) && !(backup_->backups_ & kChangedMethod)) {  in Changed()
781       backup_->method_ = method_;  in Changed()
782       backup_->backups_ |= kChangedMethod;  in Changed()
785         !(backup_->backups_ & kChangedReferrer)) {  in Changed()
786       backup_->referrer_url_ = referrer_url_;  in Changed()
787       backup_->referrer_policy_ = referrer_policy_;  in Changed()
788       backup_->backups_ |= kChangedReferrer;  in Changed()
791         !(backup_->backups_ & kChangedPostData)) {  in Changed()
792       backup_->postdata_ = postdata_;  in Changed()
793       backup_->backups_ |= kChangedPostData;  in Changed()
796         !(backup_->backups_ & kChangedHeaderMap)) {  in Changed()
797       backup_->headermap_.reset(new HeaderMap());  in Changed()
799         backup_->headermap_->insert(headermap_.begin(), headermap_.end());  in Changed()
801       backup_->backups_ |= kChangedHeaderMap;  in Changed()
803     if ((changes & kChangedFlags) && !(backup_->backups_ & kChangedFlags)) {  in Changed()
804       backup_->flags_ = flags_;  in Changed()
805       backup_->backups_ |= kChangedFlags;  in Changed()
808         !(backup_->backups_ & kChangedSiteForCookies)) {  in Changed()
809       backup_->site_for_cookies_ = site_for_cookies_;  in Changed()
810       backup_->backups_ |= kChangedSiteForCookies;  in Changed()