Remove unused CookiePreferences from report sender and never send cookies

chrome/browser/ssl/chrome_expect_ct_reporter.cc

Index: chrome/browser/ssl/chrome_expect_ct_reporter.cc
diff --git a/chrome/browser/ssl/chrome_expect_ct_reporter.cc b/chrome/browser/ssl/chrome_expect_ct_reporter.cc
index e9e883dfebf34d50e2d98106b2280d6cd6561580..65e338d4b781543e5a598eeacea16d24676dc09f 100644
--- a/chrome/browser/ssl/chrome_expect_ct_reporter.cc
+++ b/chrome/browser/ssl/chrome_expect_ct_reporter.cc
@@ -116,9 +116,7 @@ void RecordUMAOnFailure(const GURL& report_uri,
 
 ChromeExpectCTReporter::ChromeExpectCTReporter(
     net::URLRequestContext* request_context)
-    : report_sender_(
-          new net::ReportSender(request_context,
-                                net::ReportSender::DO_NOT_SEND_COOKIES)) {}
+    : report_sender_(new net::ReportSender(request_context)) {}
 
 ChromeExpectCTReporter::~ChromeExpectCTReporter() {}