Store the "browser autorestarted, last session must be restored" information in a preference.

chrome/browser/profiles/profile_impl.cc

 // Copyright (c) 2011 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 "chrome/browser/profiles/profile_impl.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
 #include "base/environment.h"
@@ skipping 349 matching lines @@
   int media_cache_max_size;
   GetCacheParameters(true, &media_cache_path, &media_cache_max_size);
   media_cache_path = GetMediaCachePath(media_cache_path);
 
   FilePath extensions_cookie_path = GetPath();
   extensions_cookie_path =
       extensions_cookie_path.Append(chrome::kExtensionsCookieFilename);
 
   FilePath app_path = GetPath().Append(chrome::kIsolatedAppStateDirname);
 
+  PrefService* pref_service = g_browser_process->local_state();
   bool restore_old_session_cookies =
       session_restore_enabled_ &&
       (!DidLastSessionExitCleanly() ||
        CommandLine::ForCurrentProcess()->HasSwitch(
-           switches::kRestoreLastSession));
+           switches::kRestoreLastSession) ||
+       pref_service->GetBoolean(prefs::kWasRestarted));
 
   // Make sure we initialize the ProfileIOData after everything else has been
   // initialized that we might be reading from the IO thread.
 
   io_data_.Init(cookie_path, origin_bound_cert_path, cache_path,
                 cache_max_size, media_cache_path, media_cache_max_size,
                 extensions_cookie_path, app_path, predictor_,
                 g_browser_process->local_state(),
                 g_browser_process->io_thread(),
                 restore_old_session_cookies);
@@ skipping 1229 matching lines @@
                                      FilePath* cache_path,
                                      int* max_size) {
   DCHECK(cache_path);
   DCHECK(max_size);
   FilePath path(prefs_->GetFilePath(prefs::kDiskCacheDir));
   if (!path.empty())
     *cache_path = path;
   *max_size = is_media_context ? prefs_->GetInteger(prefs::kMediaCacheSize) :
                                  prefs_->GetInteger(prefs::kDiskCacheSize);
 }