Add HTTP certificate report URL with Finch gate

chrome/browser/net/certificate_error_reporter.h

 // Copyright 2015 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_NET_CERTIFICATE_ERROR_REPORTER_H_
 #define CHROME_BROWSER_NET_CERTIFICATE_ERROR_REPORTER_H_
 
 #include <set>
 #include <string>
 
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "net/url_request/url_request.h"
 #include "url/gurl.h"
 
 namespace net {
 class URLRequestContext;
 class SSLInfo;
 }
 
 namespace chrome_browser_net {
 
 class CertLoggerRequest;
 class EncryptedCertLoggerRequest;
 
+// Constants for the Finch trial that controls whether the
+// CertificateErrorReporter supports HTTP uploads.
+extern const char kHttpCertificateUploadExperiment[];
+extern const char kHttpCertificateUploadGroup[];
+
 // Provides functionality for sending reports about invalid SSL
 // certificate chains to a report collection server.
 class CertificateErrorReporter : public net::URLRequest::Delegate {
  public:
   // These represent the types of reports that can be sent.
   enum ReportType {
     // A report of a certificate chain that failed a certificate pinning
     // check.
     REPORT_TYPE_PINNING_VIOLATION,
     // A report for an invalid certificate chain that is being sent for
@@ skipping 83 matching lines @@
 
   const uint8* server_public_key_;
   const uint32 server_public_key_version_;
 
   DISALLOW_COPY_AND_ASSIGN(CertificateErrorReporter);
 };
 
 }  // namespace chrome_browser_net
 
 #endif  // CHROME_BROWSER_NET_CERTIFICATE_ERROR_REPORTER_H_