Implementing EvictedDomainCookieCounter to keep user metrics on cookie eviction and reinstatement.

net/cookies/canonical_cookie.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 NET_COOKIES_CANONICAL_COOKIE_H_
 #define NET_COOKIES_CANONICAL_COOKIE_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 64 matching lines @@
   const base::Time& CreationDate() const { return creation_date_; }
   const base::Time& LastAccessDate() const { return last_access_date_; }
   bool IsPersistent() const { return !expiry_date_.is_null(); }
   const base::Time& ExpiryDate() const { return expiry_date_; }
   bool IsSecure() const { return secure_; }
   bool IsHttpOnly() const { return httponly_; }
   bool IsDomainCookie() const {
     return !domain_.empty() && domain_[0] == '.'; }
   bool IsHostCookie() const { return !IsDomainCookie(); }
 
-  bool IsExpired(const base::Time& current) {
+  bool IsExpired(const base::Time& current) const {
     return !expiry_date_.is_null() && current >= expiry_date_;
   }
 
   // Are the cookies considered equivalent in the eyes of RFC 2965.
   // The RFC says that name must match (case-sensitive), domain must
   // match (case insensitive), and path must match (case sensitive).
   // For the case insensitive domain compare, we rely on the domain
   // having been canonicalized (in
   // GetCookieDomainWithString->CanonicalizeHost).
   bool IsEquivalent(const CanonicalCookie& ecc) const {
@@ skipping 52 matching lines @@
   base::Time last_access_date_;
   bool secure_;
   bool httponly_;
 };
 
 typedef std::vector<CanonicalCookie> CookieList;
 
 }  // namespace net
 
 #endif  // NET_COOKIES_CANONICAL_COOKIE_H_