[Sync] Log age of auth tokens on authentication failure

chrome/browser/signin/signin_internals_util.h

 // 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.
 
 #ifndef CHROME_BROWSER_SIGNIN_SIGNIN_INTERNALS_UTIL_H_
 #define CHROME_BROWSER_SIGNIN_SIGNIN_INTERNALS_UTIL_H_
 
 #include <map>
 #include <string>
 
@@ skipping 46 matching lines @@
   TIMED_FIELDS_COUNT = TIMED_FIELDS_END - TIMED_FIELDS_BEGIN,
   SIGNIN_FIELDS_END = TIMED_FIELDS_END,
   SIGNIN_FIELDS_COUNT = SIGNIN_FIELDS_END - SIGNIN_FIELDS_BEGIN
 };
 
 // Encapsulates diagnostic information about tokens for different services.
 // Note that although SigninStatus contains a map of service names to token
 // values, we replicate the service name within this struct for a cleaner
 // serialization (with ToValue()).
 struct TokenInfo {
-  std::string token;  // The actual token.
-  std::string status;  // Status of the last token fetch.
-  std::string time;  // Timestamp of the last token fetch.
+  std::string token;    // The actual token.
+  std::string status;   // Status of the last token fetch.
+  std::string time;     // Timestamp of the last token fetch
+  int64 time_internal;  // Same as |time|, but in base::Time internal format.
   std::string service;  // The service that this token is for.
 
   TokenInfo(const std::string& token,
             const std::string& status,
             const std::string& time,
+            const int64& time_internal,
             const std::string& service);
   TokenInfo();
   ~TokenInfo();
 
   DictionaryValue* ToValue();
 };
 
 // Associates a service name with its token information.
 typedef std::map<std::string, TokenInfo> TokenInfoMap;
 
 // Returns the root preference path for the service. The path should be
 // qualified with one of .value, .status or .time to get the respective
 // full preference path names.
 std::string TokenPrefPath(const std::string& service_name);
 
 // Many values in SigninStatus are also associated with a timestamp.
-// This makes it easier to keep values and their assoicated times together.
+// This makes it easier to keep values and their associated times together.
 typedef std::pair<std::string, std::string> TimedSigninStatusValue;
 
 // Returns the name of a SigninStatus field.
 std::string SigninStatusFieldToString(UntimedSigninStatusField field);
 std::string SigninStatusFieldToString(TimedSigninStatusField field);
 
 // Encapsulates both authentication and token related information. Used
 // by SigninInternals to maintain information that needs to be shown in
 // the about:signin-internals page.
 struct SigninStatus {
@@ skipping 34 matching lines @@
                                           bool update_time) {}
   virtual void NotifyTokenReceivedFailure(const std::string& token_name,
                                           const std::string& error) {}
   virtual void NotifyClearStoredToken(const std::string& token_name) {}
 
 };
 
 } // namespace
 
 #endif  // CHROME_BROWSER_SIGNIN_SIGNIN_INTERNALS_UTIL_H_