Add a SetCanonicalCookie method for CookieMonster.

net/cookies/canonical_cookie_unittest.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 "net/cookies/canonical_cookie.h"
 
 #include <memory>
 
 #include "base/memory/ptr_util.h"
 #include "base/test/histogram_tester.h"
@@ skipping 818 matching lines @@
                    .IsCanonical());
 
   // Host cookie with period prefixed domain.
   EXPECT_FALSE(CanonicalCookie("__Host-A", "B", ".x.y", "/", base::Time(),
                                base::Time(), base::Time(), false, false,
                                CookieSameSite::NO_RESTRICTION,
                                COOKIE_PRIORITY_LOW)
                    .IsCanonical());
 }
 
+TEST(CanonicalCookieTest, TestSetCreationDate) {
+  CanonicalCookie cookie("A", "B", "x.y", "/path", base::Time(), base::Time(),
+                         base::Time(), false, false,
+                         CookieSameSite::NO_RESTRICTION, COOKIE_PRIORITY_LOW);
+  EXPECT_TRUE(cookie.CreationDate().is_null());
+
+  base::Time now(base::Time::Now());
+  cookie.SetCreationDate(now);
+  EXPECT_EQ(now, cookie.CreationDate());
+}
+
 TEST(CanonicalCookieTest, TestPrefixHistograms) {
   base::HistogramTester histograms;
   const char kCookiePrefixHistogram[] = "Cookie.CookiePrefix";
   const char kCookiePrefixBlockedHistogram[] = "Cookie.CookiePrefixBlocked";
   GURL https_url("https://www.example.test");
   base::Time creation_time = base::Time::Now();
   CookieOptions options;
 
   EXPECT_FALSE(CanonicalCookie::Create(https_url, "__Host-A=B;", creation_time,
                                        options));
@@ skipping 31 matching lines @@
                                CanonicalCookie::COOKIE_PREFIX_SECURE, 1);
   EXPECT_TRUE(CanonicalCookie::Create(https_url, "__SecureA=B; Path=/; Secure",
                                       creation_time, options));
   histograms.ExpectBucketCount(kCookiePrefixHistogram,
                                CanonicalCookie::COOKIE_PREFIX_SECURE, 2);
   histograms.ExpectBucketCount(kCookiePrefixBlockedHistogram,
                                CanonicalCookie::COOKIE_PREFIX_SECURE, 1);
 }
 
 }  // namespace net