Created SerializedUserDataManager.

ios/web/web_state/web_state_impl.mm

 // Copyright 2013 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.
 
 #include "ios/web/web_state/web_state_impl.h"
 
 #include "base/strings/sys_string_conversions.h"
 #include "ios/web/interstitials/web_interstitial_impl.h"
 #import "ios/web/navigation/crw_session_controller.h"
 #import "ios/web/navigation/crw_session_entry.h"
 #include "ios/web/navigation/navigation_item_impl.h"
 #include "ios/web/net/request_group_util.h"
 #include "ios/web/public/browser_state.h"
 #include "ios/web/public/navigation_item.h"
+#include "ios/web/public/serialized_user_data_manager.h"
 #include "ios/web/public/url_util.h"
 #include "ios/web/public/web_client.h"
 #include "ios/web/public/web_state/credential.h"
 #include "ios/web/public/web_state/ui/crw_content_view.h"
 #include "ios/web/public/web_state/web_state_observer.h"
 #include "ios/web/public/web_state/web_state_policy_decider.h"
 #import "ios/web/web_state/ui/crw_web_controller.h"
 #import "ios/web/web_state/ui/crw_web_controller_container_view.h"
 #include "ios/web/web_state/web_state_facade_delegate.h"
 #import "ios/web/webui/web_ui_ios_controller_factory_registry.h"
@@ skipping 75 matching lines @@
 
 WebStateFacadeDelegate* WebStateImpl::GetFacadeDelegate() const {
   return facade_delegate_;
 }
 
 void WebStateImpl::SetFacadeDelegate(WebStateFacadeDelegate* facade_delegate) {
   facade_delegate_ = facade_delegate;
 }
 
 scoped_ptr<WebStateImpl> WebStateImpl::CopyForSerialization() const {
-  return scoped_ptr<WebStateImpl>(new WebStateImpl(
+  scoped_ptr<WebStateImpl> copy(new WebStateImpl(
       GetBrowserState(), navigation_manager_->CopyForSerialization()));
+  // Copy the serialized user data and detach the user data thread so the newly
+  // created WebState can be serialized on another thread.
+  WebStateImpl* non_const_this = const_cast<WebStateImpl*>(this);

[Eugene But (OOO till 7-30), 2015/09/24 21:39:25]

This is a violation of API contract. This method promises to be const, but it
changes WebState.

+  SerializedUserDataManager* user_data_manager =
+      SerializedUserDataManager::FromWebState(non_const_this);
+  SerializedUserDataManager* copy_user_data_manager =
+      SerializedUserDataManager::FromWebState(copy.get());
+  copy_user_data_manager->AddValuesFromDictionary(
+      user_data_manager->GetSerializationDictionary());
+  copy->DetachUserDataThread();
+  return copy.Pass();
 }
 
 void WebStateImpl::OnUrlHashChanged() {
   FOR_EACH_OBSERVER(WebStateObserver, observers_, UrlHashChanged());
 }
 
 void WebStateImpl::OnHistoryStateChanged() {
   FOR_EACH_OBSERVER(WebStateObserver, observers_, HistoryStateChanged());
 }
 
@@ skipping 447 matching lines @@
     const LoadCommittedDetails& load_details) {
   FOR_EACH_OBSERVER(WebStateObserver, observers_,
                     NavigationItemCommitted(load_details));
 }
 
 WebState* WebStateImpl::GetWebState() {
   return this;
 }
 
 }  // namespace web