Add Content-Type header to net::ReportSender reports

chrome/browser/safe_browsing/mock_permission_report_sender.cc

Index: chrome/browser/safe_browsing/mock_permission_report_sender.cc
diff --git a/chrome/browser/safe_browsing/mock_permission_report_sender.cc b/chrome/browser/safe_browsing/mock_permission_report_sender.cc
index dc48a0a12c03e9aa82bbc15c9364940f73d54877..b6a8c0c89cffa03d1f9a905dfdbe2777aefe28d0 100644
--- a/chrome/browser/safe_browsing/mock_permission_report_sender.cc
+++ b/chrome/browser/safe_browsing/mock_permission_report_sender.cc
@@ -18,9 +18,11 @@ MockPermissionReportSender::~MockPermissionReportSender() {
 }
 
 void MockPermissionReportSender::Send(const GURL& report_uri,
-                                      const std::string& report) {
+                                      base::StringPiece content_type,
+                                      base::StringPiece report) {
   latest_report_uri_ = report_uri;
-  latest_report_ = report;
+  report.CopyToString(&latest_report_);
+  content_type.CopyToString(&latest_content_type_);
   number_of_reports_++;
 
   // BrowserThreads aren't initialized in the unittest, so don't post tasks
@@ -56,6 +58,10 @@ const std::string& MockPermissionReportSender::latest_report() {
   return latest_report_;
 }
 
+const std::string& MockPermissionReportSender::latest_content_type() {
+  return latest_content_type_;
+}
+
 int MockPermissionReportSender::GetAndResetNumberOfReportsSent() {
   int new_reports = number_of_reports_;
   number_of_reports_ = 0;