Implement a skeleton version of Expect CT reports

chrome/browser/ssl/chrome_expect_ct_reporter.cc

+// Copyright 2016 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 "chrome/browser/ssl/chrome_expect_ct_reporter.h"
+
+#include <string>
+
+#include "net/url_request/certificate_report_sender.h"
+
+ChromeExpectCTReporter::ChromeExpectCTReporter(
+    net::URLRequestContext* request_context)
+    : report_sender_(new net::CertificateReportSender(
+          request_context,
+          net::CertificateReportSender::DO_NOT_SEND_COOKIES)) {}
+
+ChromeExpectCTReporter::~ChromeExpectCTReporter() {}
+
+void ChromeExpectCTReporter::OnExpectCTFailed(
+    const net::HostPortPair& host_port_pair,
+    const GURL& report_uri,
+    const net::SSLInfo& ssl_info) {
+  // TODO(estark): build and send a report about the policy
+  // violation. https://crbug.com/568806
+}