Fix Feature set up in SSLErrorHandlerDateInvalidTest.

This moves Feature set up in SSLErrorHandlerDateInvalidTest to the
constructor rather than the SetUp method to make sure it gets set before
things start checking for Features.

Bug: 989225
Change-Id: If4b781ee37534bb8100a781aa99cecab8ad7f06d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1732151Reviewed-by: Ryan Sleevi <rsleevi@chromium.org>
Commit-Queue: Robbie McElrath <rmcelrath@chromium.org>
Cr-Commit-Position: refs/heads/master@{#683666}

chrome/browser/ssl/ssl_error_handler_unittest.cc

@@ -602,16 +602,16 @@ class SSLErrorHandlerDateInvalidTest : public ChromeRenderViewHostTestHarness {
         tick_clock_(new base::SimpleTestTickClock),
         test_server_(new net::EmbeddedTestServer) {
     network_time::NetworkTimeTracker::RegisterPrefs(pref_service_.registry());
+
+    field_trial_test()->SetNetworkQueriesWithVariationsService(
+        false, 0.0,
+        network_time::NetworkTimeTracker::FETCHES_IN_BACKGROUND_ONLY);
   }
 
   void SetUp() override {
     ChromeRenderViewHostTestHarness::SetUp();
     SSLErrorHandler::ResetConfigForTesting();
 
-    field_trial_test()->SetNetworkQueriesWithVariationsService(
-        false, 0.0,
-        network_time::NetworkTimeTracker::FETCHES_IN_BACKGROUND_ONLY);
-
     base::RunLoop run_loop;
     std::unique_ptr<network::SharedURLLoaderFactoryInfo>
         url_loader_factory_info;