Debug the generic session restore failure.

chrome/browser/prefs/browser_prefs.cc

 // Copyright (c) 2012 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/prefs/browser_prefs.h"
 
 #include "chrome/browser/about_flags.h"
 #include "chrome/browser/accessibility/invert_bubble_prefs.h"
 #include "chrome/browser/autofill/autofill_manager.h"
 #include "chrome/browser/background/background_mode_manager.h"
@@ skipping 109 matching lines @@
   GOOGLE_URL_TRACKER_PREFS = 1 << 2,
 };
 
 }  // namespace
 
 namespace chrome {
 
 void RegisterLocalState(PrefService* local_state) {
   // Prefs in Local State
   local_state->RegisterIntegerPref(prefs::kMultipleProfilePrefMigration, 0);
+  local_state->RegisterListPref(prefs::kSessionRestoreFilesCycled,
+                                PrefService::UNSYNCABLE_PREF);
 
   browser_shutdown::RegisterPrefs(local_state);
   ExternalProtocolHandler::RegisterPrefs(local_state);
   geolocation::RegisterPrefs(local_state);
   IntranetRedirectDetector::RegisterPrefs(local_state);
   KeywordEditorController::RegisterPrefs(local_state);
   MetricsLog::RegisterPrefs(local_state);
   MetricsService::RegisterPrefs(local_state);
   PrefProxyConfigTrackerImpl::RegisterPrefs(local_state);
   ProfileInfoCache::RegisterPrefs(local_state);
@@ skipping 187 matching lines @@
     }
     local_state->ClearPref(prefs::kLastPromptedGoogleURL);
 
     current_version |= GOOGLE_URL_TRACKER_PREFS;
     local_state->SetInteger(prefs::kMultipleProfilePrefMigration,
                             current_version);
   }
 }
 
 }  // namespace chrome