Skip cert whitelist checking if download URL matches whitelist and sampled

chrome/browser/safe_browsing/download_protection_service.cc

Index: chrome/browser/safe_browsing/download_protection_service.cc
diff --git a/chrome/browser/safe_browsing/download_protection_service.cc b/chrome/browser/safe_browsing/download_protection_service.cc
index 08f9149f0b0ecfc955d110a669694d5eb5554cdd..3e08382e82c8b56c2bdf23c131df393bc0aaf1d6 100644
--- a/chrome/browser/safe_browsing/download_protection_service.cc
+++ b/chrome/browser/safe_browsing/download_protection_service.cc
@@ -805,13 +805,12 @@ class DownloadProtectionService::CheckClientDownloadRequest
       }
     }
 
-    bool should_sample_for_certificate = ShouldSampleWhitelistedDownload();
-    if (signature_info_.trusted()) {
+    if (signature_info_.trusted() && !skipped_url_whitelist_) {
       for (int i = 0; i < signature_info_.certificate_chain_size(); ++i) {
         if (CertificateChainIsWhitelisted(
                 signature_info_.certificate_chain(i))) {
           RecordCountOfWhitelistedDownload(SIGNATURE_WHITELIST);
-          if (should_sample_for_certificate) {
+          if (ShouldSampleWhitelistedDownload()) {
             skipped_certificate_whitelist_ = true;
             break;
           } else {