Remove URLRequestJob::GetResponseCode implementations from some tests.

chrome/browser/safe_browsing/certificate_reporting_service_test_utils.cc

Index: chrome/browser/safe_browsing/certificate_reporting_service_test_utils.cc
diff --git a/chrome/browser/safe_browsing/certificate_reporting_service_test_utils.cc b/chrome/browser/safe_browsing/certificate_reporting_service_test_utils.cc
index 584a8ec9e0dc22f6b26cbc87b46b3dce62496b75..998d8903d065b9a303e194fd3e09ee7f373e693b 100644
--- a/chrome/browser/safe_browsing/certificate_reporting_service_test_utils.cc
+++ b/chrome/browser/safe_browsing/certificate_reporting_service_test_utils.cc
@@ -186,11 +186,6 @@ int DelayableCertReportURLRequestJob::ReadRawData(net::IOBuffer* buf,
   return 0;
 }
 
-int DelayableCertReportURLRequestJob::GetResponseCode() const {
-  // Report sender ignores responses. Return empty response.
-  return 200;
-}
-
 void DelayableCertReportURLRequestJob::GetResponseInfo(
     net::HttpResponseInfo* info) {
   // Report sender ignores responses. Return empty response.