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

chrome/browser/profiles/profile_io_data.cc

Index: chrome/browser/profiles/profile_io_data.cc
diff --git a/chrome/browser/profiles/profile_io_data.cc b/chrome/browser/profiles/profile_io_data.cc
index 9dc346cd701bdaddb0417cf037d909cb79128b45..4c5ecd0bcbe05525c6e3227b360bbb7e7d224ef1 100644
--- a/chrome/browser/profiles/profile_io_data.cc
+++ b/chrome/browser/profiles/profile_io_data.cc
@@ -61,6 +61,7 @@
 #include "net/base/server_bound_cert_service.h"
 #include "net/cookies/canonical_cookie.h"
 #include "net/cookies/cookie_monster.h"
+#include "net/cookies/evicted_domain_cookie_counter.h"
 #include "net/http/http_transaction_factory.h"
 #include "net/http/http_util.h"
 #include "net/proxy/proxy_config_service_fixed.h"
@@ -226,7 +227,8 @@ void ProfileIOData::InitializeOnUIThread(Profile* profile) {
       base::Bind(&GetProfileOnUI, g_browser_process->profile_manager(),
                  profile);
   params->cookie_monster_delegate =
-      new ChromeCookieMonsterDelegate(profile_getter);
+      new net::EvictedDomainCookieCounter(
+          new ChromeCookieMonsterDelegate(profile_getter));
   params->extension_info_map =
       extensions::ExtensionSystem::Get(profile)->info_map();