Correct net::EmbeddedTestServer usage in some SSL related tests.

components/ssl_errors/error_classification_unittest.cc

Index: components/ssl_errors/error_classification_unittest.cc
diff --git a/components/ssl_errors/error_classification_unittest.cc b/components/ssl_errors/error_classification_unittest.cc
index efd7cb3dcf62ea0330c016634c1c1d4a9eee28ff..1e0990faa7dd6702a11a93ed636abf7f5bc0139d 100644
--- a/components/ssl_errors/error_classification_unittest.cc
+++ b/components/ssl_errors/error_classification_unittest.cc
@@ -338,7 +338,7 @@ TEST_F(SSLErrorClassificationTest, NetworkClockStateHistogram) {
   EXPECT_TRUE(io_thread.StartWithOptions(thread_options));
 
   net::EmbeddedTestServer test_server;
-  ASSERT_TRUE(test_server.Start());
+  ASSERT_TRUE(test_server.InitializeAndListen());
 
   base::HistogramTester histograms;
   histograms.ExpectTotalCount(kNetworkTimeHistogram, 0);
@@ -371,6 +371,7 @@ TEST_F(SSLErrorClassificationTest, NetworkClockStateHistogram) {
 
   // First sync attempt is pending.
   test_server.RegisterRequestHandler(base::Bind(&NetworkErrorResponseHandler));
+  test_server.StartAcceptingConnections();
   EXPECT_TRUE(network_time_tracker.QueryTimeServiceForTesting());
   EXPECT_EQ(
       ssl_errors::ClockState::CLOCK_STATE_UNKNOWN,