Remove the force_session cookie option, as it's not used anymore

chrome/browser/extensions/api/cookies/cookies_helpers.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.
 
 // Implements common functionality for the Chrome Extensions Cookies API.
 
 #include "chrome/browser/extensions/api/cookies/cookies_helpers.h"
 
 #include "base/logging.h"
 #include "base/string_util.h"
@@ skipping 52 matching lines @@
   result->SetString(keys::kValueKey, UTF8ToUTF16(cookie.Value()));
   result->SetString(keys::kDomainKey, cookie.Domain());
   result->SetBoolean(keys::kHostOnlyKey,
                      net::cookie_util::DomainIsHostOnly(cookie.Domain()));
 
   // A non-UTF8 path is invalid, so we just replace it with an empty string.
   result->SetString(keys::kPathKey,
                     IsStringUTF8(cookie.Path()) ? cookie.Path() : "");
   result->SetBoolean(keys::kSecureKey, cookie.IsSecure());
   result->SetBoolean(keys::kHttpOnlyKey, cookie.IsHttpOnly());
-  result->SetBoolean(keys::kSessionKey, !cookie.DoesExpire());
-  if (cookie.DoesExpire()) {
+  result->SetBoolean(keys::kSessionKey, !cookie.IsPersistent());
+  if (cookie.IsPersistent()) {
     result->SetDouble(keys::kExpirationDateKey,
                       cookie.ExpiryDate().ToDoubleT());
   }
   result->SetString(keys::kStoreIdKey, store_id);
 
   return result;
 }
 
 DictionaryValue* CreateCookieStoreValue(Profile* profile,
                                         ListValue* tab_ids) {
@@ skipping 63 matching lines @@
     : details_(details) {
   DCHECK(details_);
 }
 
 bool MatchFilter::MatchesCookie(
     const net::CookieMonster::CanonicalCookie& cookie) {
   return MatchesString(keys::kNameKey, cookie.Name()) &&
          MatchesDomain(cookie.Domain()) &&
          MatchesString(keys::kPathKey, cookie.Path()) &&
          MatchesBoolean(keys::kSecureKey, cookie.IsSecure()) &&
-         MatchesBoolean(keys::kSessionKey, !cookie.DoesExpire());
+         MatchesBoolean(keys::kSessionKey, !cookie.IsPersistent());
 }
 
 bool MatchFilter::MatchesString(const char* key, const std::string& value) {
   if (!details_->HasKey(key))
     return true;
   std::string filter_value;
   return (details_->GetString(key, &filter_value) &&
           value == filter_value);
 }
 
@@ skipping 27 matching lines @@
     if (sub_domain == filter_value)
       return true;
     const size_t next_dot = sub_domain.find('.', 1);  // Skip over leading dot.
     sub_domain.erase(0, next_dot);
   }
   return false;
 }
 
 }  // namespace cookies_helpers
 }  // namespace extension