Serialize date_created in PasswordStoreX properly

chrome/browser/password_manager/native_backend_libsecret.cc

Index: chrome/browser/password_manager/native_backend_libsecret.cc
diff --git a/chrome/browser/password_manager/native_backend_libsecret.cc b/chrome/browser/password_manager/native_backend_libsecret.cc
index 7cc94af040e41ea046b524cb3a4758dfdc7e0aff..ca9905dab95e1b41a98f21beee4f1f9e1cc24f88 100644
--- a/chrome/browser/password_manager/native_backend_libsecret.cc
+++ b/chrome/browser/password_manager/native_backend_libsecret.cc
@@ -21,6 +21,7 @@ using base::UTF16ToUTF8;
 
 namespace {
 const char kEmptyString[] = "";
+const int kMaxPossibleTimeTValue = std::numeric_limits<int>::max();
 }
 
 typeof(&::secret_password_store_sync)
@@ -164,7 +165,12 @@ scoped_ptr<PasswordForm> FormOutOfAttributes(GHashTable* attrs) {
   bool date_ok = base::StringToInt64(
       GetStringFromAttributes(attrs, "date_created"), &date_created);
   DCHECK(date_ok);
-  form->date_created = base::Time::FromTimeT(date_created);
+  // In past date_created was stored as time_t. We can distinguish between
+  // them by taking into consideration that INT_MAX correspond to
+  // 2038 year in time_t and internal values of base::Time are much bigger.
+  form->date_created = date_created < kMaxPossibleTimeTValue
+                           ? base::Time::FromTimeT(date_created)
+                           : base::Time::FromInternalValue(date_created);
   form->blacklisted_by_user =
       GetUintFromAttributes(attrs, "blacklisted_by_user");
   form->type =
@@ -397,11 +403,11 @@ void NativeBackendLibsecret::AddUpdateLoginSearch(
 }
 
 bool NativeBackendLibsecret::RawAddLogin(const PasswordForm& form) {
-  time_t date_created = form.date_created.ToTimeT();
+  int64 date_created = form.date_created.ToInternalValue();
   // If we are asked to save a password with 0 date, use the current time.
-  // We don't want to actually save passwords as though on January 1, 1970.
+  // We don't want to actually save passwords as though on January 1, 1601.
   if (!date_created)
-    date_created = time(nullptr);
+    date_created = base::Time::Now().ToInternalValue();
   int64 date_synced = form.date_synced.ToInternalValue();
   GError* error = nullptr;
   secret_password_store_sync(