Refactor serialisation of openerId & openerNavigationIndex.

ios/web/navigation/session_storage_builder.mm

 // 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.
 
 #import "ios/web/navigation/session_storage_builder.h"
 
 #include "base/logging.h"
 #include "base/mac/foundation_util.h"
 #import "ios/web/navigation/crw_session_controller+private_constructors.h"
 #import "ios/web/navigation/crw_session_controller.h"
 #import "ios/web/navigation/crw_session_entry.h"
 #import "ios/web/navigation/navigation_item_impl.h"
 #import "ios/web/navigation/navigation_item_storage_builder.h"
 #include "ios/web/navigation/navigation_manager_impl.h"
 #import "ios/web/public/crw_session_storage.h"
 #import "ios/web/public/serializable_user_data_manager.h"
 #import "ios/web/web_state/web_state_impl.h"
 
 // CRWSessionController's readonly properties redefined as readwrite.  These
 // will be removed and NavigationManagerImpl's ivars will be written directly
 // as this functionality moves from CRWSessionController to
 // NavigationManagerImpl;
 @interface CRWSessionController (ExposedForSerialization)
 @property(nonatomic, readwrite, retain) NSString* tabId;
-@property(nonatomic, readwrite, copy) NSString* openerId;
 @property(nonatomic, readwrite, getter=isOpenedByDOM) BOOL openedByDOM;
-@property(nonatomic, readwrite, assign) NSInteger openerNavigationIndex;
 @property(nonatomic, readwrite, assign) NSInteger previousNavigationIndex;
 @property(nonatomic, readwrite, retain)
     CRWSessionCertificatePolicyManager* sessionCertificatePolicyManager;
 @end
 
 namespace web {
 
 CRWSessionStorage* SessionStorageBuilder::BuildStorage(
     WebStateImpl* web_state) const {
   DCHECK(web_state);
   web::NavigationManagerImpl* navigation_manager =
       web_state->navigation_manager_.get();
   DCHECK(navigation_manager);
   CRWSessionStorage* serialized_navigation_manager =
       [[CRWSessionStorage alloc] init];
   CRWSessionController* session_controller =
       navigation_manager->GetSessionController();
-  serialized_navigation_manager.openerID = session_controller.openerId;
   serialized_navigation_manager.openedByDOM = session_controller.openedByDOM;
-  serialized_navigation_manager.openerNavigationIndex =
-      session_controller.openerNavigationIndex;
   serialized_navigation_manager.windowName = session_controller.windowName;
   serialized_navigation_manager.currentNavigationIndex =
       session_controller.currentNavigationIndex;
   serialized_navigation_manager.previousNavigationIndex =
       session_controller.previousNavigationIndex;
   serialized_navigation_manager.lastVisitedTimestamp =
       session_controller.lastVisitedTimestamp;
   serialized_navigation_manager.sessionCertificatePolicyManager =
       session_controller.sessionCertificatePolicyManager;
   NSMutableArray* item_storages = [[NSMutableArray alloc] init];
@@ skipping 22 matching lines @@
   for (size_t index = 0; index < item_storages.count; ++index) {
     std::unique_ptr<NavigationItemImpl> item_impl =
         item_storage_builder.BuildNavigationItemImpl(item_storages[index]);
     items[index] = std::move(item_impl);
   }
   NSUInteger current_index = storage.currentNavigationIndex;
   base::scoped_nsobject<CRWSessionController> session_controller(
       [[CRWSessionController alloc] initWithNavigationItems:std::move(items)
                                                currentIndex:current_index
                                                browserState:nullptr]);
-  [session_controller setOpenerId:storage.openerID];
   [session_controller setOpenedByDOM:storage.openedByDOM];
-  [session_controller setOpenerNavigationIndex:storage.openerNavigationIndex];
   [session_controller setWindowName:storage.windowName];
   [session_controller
       setPreviousNavigationIndex:storage.previousNavigationIndex];
   [session_controller setLastVisitedTimestamp:storage.lastVisitedTimestamp];
   [session_controller
       setSessionCertificatePolicyManager:storage
                                              .sessionCertificatePolicyManager];
   web_state->navigation_manager_.reset(new NavigationManagerImpl());
   web_state->navigation_manager_->SetSessionController(session_controller);
   web::SerializableUserDataManager::FromWebState(web_state)
       ->AddSerializableUserData(storage.userData);
 }
 
 }  // namespace web