Remove dangerous CanonicalCookie::Create method.

components/signin/core/browser/gaia_cookie_manager_service.cc

Index: components/signin/core/browser/gaia_cookie_manager_service.cc
diff --git a/components/signin/core/browser/gaia_cookie_manager_service.cc b/components/signin/core/browser/gaia_cookie_manager_service.cc
index a3aa65fe8ee2c95e6fe3d8ab3455e108b0d0a89c..58556caf7317c32780ae6c1dea6f7e13828c392a 100644
--- a/components/signin/core/browser/gaia_cookie_manager_service.cc
+++ b/components/signin/core/browser/gaia_cookie_manager_service.cc
@@ -403,8 +403,8 @@ void GaiaCookieManagerService::TriggerListAccounts(const std::string& source) {
 void GaiaCookieManagerService::ForceOnCookieChangedProcessing() {
   GURL google_url = GaiaUrls::GetInstance()->google_url();
   std::unique_ptr<net::CanonicalCookie> cookie(net::CanonicalCookie::Create(
-      google_url, kGaiaCookieName, std::string(), "." + google_url.host(),
-      std::string(), base::Time(), base::Time(), false, false,
+      kGaiaCookieName, std::string(), "." + google_url.host(), "/",
+      base::Time(), base::Time(), base::Time(), false, false,
       net::CookieSameSite::DEFAULT_MODE, net::COOKIE_PRIORITY_DEFAULT));
   OnCookieChanged(*cookie, net::CookieStore::ChangeCause::UNKNOWN_DELETION);
 }