Fix flakiness in SSLErrorHandlerDateInvalidTest tests

chrome/browser/ssl/ssl_error_handler_unittest.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ssl/ssl_error_handler.h"
 
 #include "base/callback.h"
 #include "base/macros.h"
 #include "base/metrics/field_trial.h"
 #include "base/run_loop.h"
@@ skipping 205 matching lines @@
     clock_->Advance(base::TimeDelta::FromDays(111));
     tick_clock_->Advance(base::TimeDelta::FromDays(222));
 
     SSLErrorHandler::SetInterstitialDelayForTest(base::TimeDelta());
     ssl_info_.cert =
         net::ImportCertFromFile(net::GetTestCertsDirectory(), "ok_cert.pem");
     ssl_info_.cert_status = net::CERT_STATUS_DATE_INVALID;
     error_handler_.reset(
         new SSLErrorHandlerForTest(profile(), web_contents(), ssl_info_));
     error_handler_->SetNetworkTimeTrackerForTest(tracker_.get());
+
+    // Fix flakiness in case system time is off and tiggers a bad clock

[estark, 2016/12/01 00:17:21]

typo: tiggers => triggers

also perhaps it would be useful to include a link to the bug
(https://crbug.com/666821) in the comment

+    // interstitial.
+    ssl_errors::SetBuildTimeForTesting(base::Time::Now());
   }
 
   void TearDown() override {
     if (error_handler()) {
       EXPECT_FALSE(error_handler()->IsTimerRunning());
       error_handler_.reset(nullptr);
     }
     ChromeRenderViewHostTestHarness::TearDown();
   }
 
@@ skipping 281 matching lines @@
   EXPECT_TRUE(error_handler()->ssl_interstitial_shown());
   EXPECT_FALSE(error_handler()->IsTimerRunning());
 
   // Clear the error handler to test that, when the request completes,
   // it doesn't try to call a callback on a deleted SSLErrorHandler.
   ClearErrorHandler();
 
   // Shut down the server to cancel the pending request.
   ASSERT_TRUE(test_server()->ShutdownAndWaitUntilComplete());
 }