Revert of Moved NavigationManagerImpl serialization out of CRWSessionController.

ios/web/public/crw_navigation_manager_storage.mm

Index: ios/web/public/crw_navigation_manager_storage.mm
diff --git a/ios/web/public/crw_navigation_manager_storage.mm b/ios/web/public/crw_navigation_manager_storage.mm
deleted file mode 100644
index 18fce137bf6d5b5fed5a19d891e6802dd7ee7941..0000000000000000000000000000000000000000
--- a/ios/web/public/crw_navigation_manager_storage.mm
+++ /dev/null
@@ -1,88 +0,0 @@
-// 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/public/crw_navigation_manager_storage.h"
-
-#import "ios/web/navigation/crw_session_certificate_policy_manager.h"
-
-#if !defined(__has_feature) || !__has_feature(objc_arc)
-#error "This file requires ARC support."
-#endif
-
-namespace {
-// Serialization keys used in NSCoding functions.
-NSString* const kCertificatePolicyManagerKey = @"certificatePolicyManager";
-NSString* const kCurrentNavigationIndexKey = @"currentNavigationIndex";
-NSString* const kEntriesKey = @"entries";
-NSString* const kLastVisitedTimestampKey = @"lastVisitedTimestamp";
-NSString* const kOpenerIDKey = @"openerId";
-NSString* const kOpenedByDOMKey = @"openedByDOM";
-NSString* const kOpenerNavigationIndexKey = @"openerNavigationIndex";
-NSString* const kPreviousNavigationIndexKey = @"previousNavigationIndex";
-NSString* const kTabIDKey = @"tabId";
-NSString* const kWindowNameKey = @"windowName";
-}
-
-@implementation CRWNavigationManagerStorage
-
-@synthesize tabID = _tabID;
-@synthesize openerID = _openerID;
-@synthesize openedByDOM = _openedByDOM;
-@synthesize openerNavigationIndex = _openerNavigationIndex;
-@synthesize windowName = _windowName;
-@synthesize currentNavigationIndex = _currentNavigationIndex;
-@synthesize previousNavigationIndex = _previousNavigationIndex;
-@synthesize lastVisitedTimestamp = _lastVisitedTimestamp;
-@synthesize entries = _entries;
-@synthesize sessionCertificatePolicyManager = _sessionCertificatePolicyManager;
-
-- (instancetype)initWithCoder:(nonnull NSCoder*)decoder {
-  self = [super init];
-  if (self) {
-    _tabID = [[decoder decodeObjectForKey:kTabIDKey] copy];
-    _windowName = [[decoder decodeObjectForKey:kWindowNameKey] copy];
-    _openerID = [[decoder decodeObjectForKey:kOpenerIDKey] copy];
-    _openedByDOM = [decoder decodeBoolForKey:kOpenedByDOMKey];
-    _openerNavigationIndex =
-        [decoder decodeIntForKey:kOpenerNavigationIndexKey];
-    _currentNavigationIndex =
-        [decoder decodeIntForKey:kCurrentNavigationIndexKey];
-    _previousNavigationIndex =
-        [decoder decodeIntForKey:kPreviousNavigationIndexKey];
-    _lastVisitedTimestamp =
-        [decoder decodeDoubleForKey:kLastVisitedTimestampKey];
-    _entries = [[NSMutableArray alloc]
-        initWithArray:[decoder decodeObjectForKey:kEntriesKey]];
-    // Prior to M34, 0 was used as "no index" instead of -1; adjust for that.
-    if (!_entries.count)
-      _currentNavigationIndex = -1;
-    _sessionCertificatePolicyManager =
-        [decoder decodeObjectForKey:kCertificatePolicyManagerKey];
-    if (!_sessionCertificatePolicyManager) {
-      _sessionCertificatePolicyManager =
-          [[CRWSessionCertificatePolicyManager alloc] init];
-    }
-  }
-  return self;
-}
-
-- (void)encodeWithCoder:(NSCoder*)coder {
-  [coder encodeObject:self.tabID forKey:kTabIDKey];
-  [coder encodeObject:self.openerID forKey:kOpenerIDKey];
-  [coder encodeBool:self.openedByDOM forKey:kOpenedByDOMKey];
-  [coder encodeInt:self.openerNavigationIndex forKey:kOpenerNavigationIndexKey];
-  [coder encodeObject:self.windowName forKey:kWindowNameKey];
-  [coder encodeInt:self.currentNavigationIndex
-            forKey:kCurrentNavigationIndexKey];
-  [coder encodeInt:self.previousNavigationIndex
-            forKey:kPreviousNavigationIndexKey];
-  [coder encodeDouble:self.lastVisitedTimestamp
-               forKey:kLastVisitedTimestampKey];
-  [coder encodeObject:self.entries forKey:kEntriesKey];
-  [coder encodeObject:self.sessionCertificatePolicyManager
-               forKey:kCertificatePolicyManagerKey];
-  // rendererInitiated is deliberately not preserved, as upstream.
-}
-
-@end