Debug the generic session restore failure.

chrome/common/pref_names.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/common/pref_names.h"
 
 #include "base/basictypes.h"
 
 namespace prefs {
 
@@ skipping 1782 matching lines @@
 // http://crosbug.com/17015 is implemented and the update engine can just
 // fetch the correct value from the policy.
 const char kChromeOsReleaseChannel[] = "cros.system.releaseChannel";
 
 // Value of the enums in TabStrip::LayoutType as an int.
 const char kTabStripLayoutType[] = "tab_strip_layout_type";
 
 // If true, cloud policy for the user is loaded once the user signs in.
 const char kLoadCloudPolicyOnSignin[] = "policy.load_cloud_policy_on_signin";
 
+// Debug information for SessionBackend.
+const char kSessionRestoreFilesCycled[] = "session_restore.files_cycled";
+
 // *************** SERVICE PREFS ***************
 // These are attached to the service process.
 
 const char kCloudPrintProxyEnabled[] = "cloud_print.enabled";
 // The unique id for this instance of the cloud print proxy.
 const char kCloudPrintProxyId[] = "cloud_print.proxy_id";
 // The GAIA auth token for Cloud Print
 const char kCloudPrintAuthToken[] = "cloud_print.auth_token";
 // The GAIA auth token used by Cloud Print to authenticate with the XMPP server
 // This should eventually go away because the above token should work for both.
@@ skipping 173 matching lines @@
 
 // Counts how many more times the 'profile on a network share' warning should be
 // shown to the user before the next silence period.
 const char kNetworkProfileWarningsLeft[] = "network_profile.warnings_left";
 // Tracks the time of the last shown warning. Used to reset
 // |network_profile.warnings_left| after a silence period.
 const char kNetworkProfileLastWarningTime[] =
     "network_profile.last_warning_time";
 
 }  // namespace prefs