Add permission reporter skeleton

chrome/browser/safe_browsing/permission_reporter.h

+// 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_SAFE_BROWSING_PERMISSION_REPORTER_H_
+#define CHROME_BROWSER_SAFE_BROWSING_PERMISSION_REPORTER_H_
+
+#include <string>
+
+#include "chrome/browser/permissions/permission_uma_util.h"
+#include "chrome/common/safe_browsing/permission_report.pb.h"
+#include "net/url_request/certificate_report_sender.h"
+#include "url/gurl.h"
+
+namespace net {
+class URLRequestContext;
+}  // namespace net
+
+namespace safe_browsing {
+
+// Provides functionality for building and serializing reports about permissions
+// to a report collection server.
+class PermissionReporter {
+ public:
+  // Creates a permission reporter that will send permission reports to
+  // |upload_url|, using |request_context| as the context for the reports.
+  PermissionReporter(net::URLRequestContext* request_context,
+                     const GURL& upload_url);
+
+  virtual ~PermissionReporter();
+
+  // Sends a permission report to the report collection server. The
+  // |serialized_report| is expected to be a serialized protobuf of type
+  // PermissionReport defined in
+  // //src/chrome/common/safe_browsing/permission_report.proto
+  virtual void SendReport(const std::string& serialized_report);
+
+  // Builds a permission report with |origin| as the origin of the site
+  // requesting permission, |permission| as the type of permission requested,
+  // and |action| as the action taken.
+  static PermissionReport BuildReport(const GURL& origin,

[stefanocs, 2016/05/31 04:17:56]

Would it be better for this function to return a serialized report string
instead?

[kcarattini, 2016/05/31 04:27:34]

Yes, good call.

[stefanocs, 2016/05/31 04:43:38]

Done.

+                                      content::PermissionType permission,
+                                      PermissionAction action);
+
+ private:
+  std::unique_ptr<net::CertificateReportSender> permission_report_sender_;
+
+  const GURL upload_url_;
+
+  DISALLOW_COPY_AND_ASSIGN(PermissionReporter);
+};
+
+}  // namespace safe_browsing
+
+#endif  // CHROME_BROWSER_SAFE_BROWSING_PERMISSION_REPORTER_H_