Implement a skeleton version of Expect CT reports

chrome/browser/ssl/chrome_expect_ct_reporter.h

Index: chrome/browser/ssl/chrome_expect_ct_reporter.h
diff --git a/chrome/browser/ssl/chrome_expect_ct_reporter.h b/chrome/browser/ssl/chrome_expect_ct_reporter.h
new file mode 100644
index 0000000000000000000000000000000000000000..15e74daae306249402a7216bfc12f22804fcd16c
--- /dev/null
+++ b/chrome/browser/ssl/chrome_expect_ct_reporter.h
@@ -0,0 +1,38 @@
+// 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.
+
+#ifndef CHROME_BROWSER_SSL_CHROME_EXPECT_CT_REPORTER_H_
+#define CHROME_BROWSER_SSL_CHROME_EXPECT_CT_REPORTER_H_
+
+#include "base/macros.h"
+#include "base/memory/scoped_ptr.h"
+#include "net/http/transport_security_state.h"
+
+namespace net {
+class CertificateReportSender;
+class URLRequestContext;
+}  // namespace net
+
+// This class monitors for violations of CT policy and sends reports
+// about failures for sites that have opted in. Must be deleted before
+// the URLRequestContext that is passed to the constructor, so that it
+// can cancel its requests.
+class ChromeExpectCTReporter
+    : public net::TransportSecurityState::ExpectCTReporter {
+ public:
+  explicit ChromeExpectCTReporter(net::URLRequestContext* request_context);
+  ~ChromeExpectCTReporter() override;
+
+  // net::ExpectCTReporter:
+  void OnExpectCTFailed(const net::HostPortPair& host_port_pair,
+                        const GURL& report_uri,
+                        const net::SSLInfo& ssl_info) override;
+
+ private:
+  scoped_ptr<net::CertificateReportSender> report_sender_;
+
+  DISALLOW_COPY_AND_ASSIGN(ChromeExpectCTReporter);
+};
+
+#endif  // CHROME_BROWSER_SSL_CHROME_EXPECT_CT_REPORTER_H_