Revert of Browser tests for using the new SafeBrowsing protocol (v4)

chrome/browser/download/download_browsertest.cc

Index: chrome/browser/download/download_browsertest.cc
diff --git a/chrome/browser/download/download_browsertest.cc b/chrome/browser/download/download_browsertest.cc
index 98193c9658a2d49e527f74fefbb23d21344416ac..e8f36500e5ed3b8d3f04aec3a98053f39407a883 100644
--- a/chrome/browser/download/download_browsertest.cc
+++ b/chrome/browser/download/download_browsertest.cc
@@ -1083,9 +1083,7 @@
     : public safe_browsing::TestSafeBrowsingService,
       public safe_browsing::ServicesDelegate::ServicesCreator {
  public:
-  FakeSafeBrowsingService()
-      : TestSafeBrowsingService(
-            safe_browsing::V4FeatureList::V4UsageStatus::V4_DISABLED) {
+  FakeSafeBrowsingService() {
     services_delegate_ =
         safe_browsing::ServicesDelegate::CreateForTest(this, this);
   }