Change XSS Auditor report's MIME type.

third_party/WebKit/Source/core/loader/PingLoader.cpp

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 505 matching lines @@
   sendPingCommon(frame, request, FetchInitiatorTypeNames::ping,
                  AllowStoredCredentials, false);
 }
 
 void PingLoader::sendViolationReport(LocalFrame* frame,
                                      const KURL& reportURL,
                                      PassRefPtr<EncodedFormData> report,
                                      ViolationReportType type) {
   ResourceRequest request(reportURL);
   request.setHTTPMethod(HTTPNames::POST);
-  request.setHTTPContentType(type == ContentSecurityPolicyViolationReport
-                                 ? "application/csp-report"
-                                 : "application/json");
+  switch (type) {
+    case ContentSecurityPolicyViolationReport:
+      request.setHTTPContentType("application/csp-report");
+      break;
+    case XSSAuditorViolationReport:
+      request.setHTTPContentType("application/xss-auditor-report");
+      break;
+  }
   request.setHTTPBody(std::move(report));
   finishPingRequestInitialization(request, frame,
                                   WebURLRequest::RequestContextCSPReport);
 
   StoredCredentials credentialsAllowed =
       SecurityOrigin::create(reportURL)->isSameSchemeHostPort(
           frame->document()->getSecurityOrigin())
           ? AllowStoredCredentials
           : DoNotAllowStoredCredentials;
   sendPingCommon(frame, request, FetchInitiatorTypeNames::violationreport,
@@ skipping 30 matching lines @@
 bool PingLoader::sendBeacon(LocalFrame* frame,
                             int allowance,
                             const KURL& beaconURL,
                             Blob* data,
                             int& payloadLength) {
   BeaconBlob beacon(data);
   return sendBeaconCommon(frame, allowance, beaconURL, beacon, payloadLength);
 }
 
 }  // namespace blink