Fix NavigationHandle being thrown out and recreated (without all the state) after rapid navigations.

content/browser/frame_host/navigation_controller_impl.cc

 // 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.
 
 /*
  * Copyright (C) 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved.
  *     (http://www.torchmobile.com/)
  *
@@ skipping 1279 matching lines @@
       // navigated it.
       NavigationEntryImpl* last_entry = GetLastCommittedEntry();
       if (entry->GetURL().GetOrigin() == last_entry->GetURL().GetOrigin() &&
           last_entry->GetSSL().initialized && !entry->GetSSL().initialized &&
           was_restored) {
         entry->GetSSL() = last_entry->GetSSL();
       }
     } else {
       // When restoring a tab, the serialized NavigationEntry doesn't have the
       // SSL state.
-      // Only copy in the restore case since this code path can be taken during
-      // navigation. See http://crbug.com/727892
-      if (was_restored)
-        entry->GetSSL() = handle->ssl_status();
+      entry->GetSSL() = handle->ssl_status();
     }
   } else {
     // This is renderer-initiated. The only kinds of renderer-initated
     // navigations that are EXISTING_PAGE are reloads and location.replace,
     // which land us at the last committed entry.
     entry = GetLastCommittedEntry();
 
     // If this is a same document navigation, then there's no SSLStatus in the
     // NavigationHandle so don't overwrite the existing entry's SSLStatus.
     if (!is_same_document)
@@ skipping 928 matching lines @@
   DCHECK(pending_entry_index_ == -1 ||
          pending_entry_ == GetEntryAtIndex(pending_entry_index_));
 }
 
 void NavigationControllerImpl::SetGetTimestampCallbackForTest(
     const base::Callback<base::Time()>& get_timestamp_callback) {
   get_timestamp_callback_ = get_timestamp_callback;
 }
 
 }  // namespace content