Moved NavigationManagerImpl serialization out of CRWSessionController.

ios/web/navigation/navigation_manager_storage_builder.mm

Index: ios/web/navigation/navigation_manager_storage_builder.mm
diff --git a/ios/web/navigation/navigation_manager_storage_builder.mm b/ios/web/navigation/navigation_manager_storage_builder.mm
new file mode 100644
index 0000000000000000000000000000000000000000..401dfdc58349d498f3202a9b58f264c6fe38943e
--- /dev/null
+++ b/ios/web/navigation/navigation_manager_storage_builder.mm
@@ -0,0 +1,88 @@
+// 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/navigation_manager_storage_builder.h"
+
+#include "base/logging.h"
+#include "base/mac/foundation_util.h"
+#import "ios/web/navigation/crw_session_controller.h"
+#include "ios/web/navigation/navigation_manager_impl.h"
+#import "ios/web/public/crw_navigation_manager_storage.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 currentNavigationIndex;
+@property(nonatomic, readwrite, assign) NSInteger previousNavigationIndex;
+@property(nonatomic, readwrite, retain) NSArray* entries;
+@property(nonatomic, readwrite, retain)
+    CRWSessionCertificatePolicyManager* sessionCertificatePolicyManager;
+@end
+
+namespace web {
+
+CRWNavigationManagerStorage*
+NavigationManagerStorageBuilder::BuildSerialization(
+    NavigationManagerImpl* navigation_manager) const {
+  DCHECK(navigation_manager);
+  CRWNavigationManagerStorage* serialized_navigation_manager =
+      [[CRWNavigationManagerStorage alloc] init];
+  CRWSessionController* session_controller =
+      navigation_manager->GetSessionController();
+  serialized_navigation_manager.tabID = session_controller.tabId;
+  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.entries = session_controller.entries;
+  serialized_navigation_manager.sessionCertificatePolicyManager =
+      session_controller.sessionCertificatePolicyManager;
+  return serialized_navigation_manager;
+}
+
+std::unique_ptr<NavigationManagerImpl>
+NavigationManagerStorageBuilder::BuildNavigationManagerImpl(
+    CRWNavigationManagerStorage* navigation_manager_serialization) const {
+  DCHECK(navigation_manager_serialization);
+  base::scoped_nsobject<CRWSessionController> session_controller(
+      [[CRWSessionController alloc] init]);
+  [session_controller setTabId:navigation_manager_serialization.tabID];
+  [session_controller setOpenerId:navigation_manager_serialization.openerID];
+  [session_controller
+      setOpenedByDOM:navigation_manager_serialization.openedByDOM];
+  [session_controller setOpenerNavigationIndex:navigation_manager_serialization
+                                                   .openerNavigationIndex];
+  [session_controller
+      setWindowName:navigation_manager_serialization.windowName];
+  [session_controller setCurrentNavigationIndex:navigation_manager_serialization
+                                                    .currentNavigationIndex];
+  [session_controller
+      setPreviousNavigationIndex:navigation_manager_serialization
+                                     .previousNavigationIndex];
+  [session_controller setLastVisitedTimestamp:navigation_manager_serialization
+                                                  .lastVisitedTimestamp];
+  [session_controller setEntries:navigation_manager_serialization.entries];
+  [session_controller
+      setSessionCertificatePolicyManager:navigation_manager_serialization
+                                             .sessionCertificatePolicyManager];
+  std::unique_ptr<NavigationManagerImpl> navigation_manager(
+      new NavigationManagerImpl());
+  navigation_manager->SetSessionController(session_controller);
+  return navigation_manager;
+}
+
+}  // namespace web