Use network time for bad clock interstitial.

chrome/browser/ui/webui/interstitials/interstitial_ui.cc

Index: chrome/browser/ui/webui/interstitials/interstitial_ui.cc
diff --git a/chrome/browser/ui/webui/interstitials/interstitial_ui.cc b/chrome/browser/ui/webui/interstitials/interstitial_ui.cc
index 70c4a34dd2c25973eedc351182d03b7424f949d1..8f5ac6d413b97ffae3abb18305ceb8fd8f756599 100644
--- a/chrome/browser/ui/webui/interstitials/interstitial_ui.cc
+++ b/chrome/browser/ui/webui/interstitials/interstitial_ui.cc
@@ -156,14 +156,15 @@ BadClockBlockingPage* CreateBadClockBlockingPage(
   }
 
   // Determine whether to change the clock to be ahead or behind.
-  base::Time time_triggered_ = base::Time::NowFromSystemTime();
   std::string clock_manipulation_param;
+  ssl_errors::ClockState clock_state = ssl_errors::CLOCK_STATE_PAST;
   if (net::GetValueForKeyInQuery(web_contents->GetURL(), "clock_manipulation",
                                  &clock_manipulation_param)) {
     int time_offset;
-    if (!base::StringToInt(clock_manipulation_param, &time_offset))
-      time_offset = 2;
-    time_triggered_ += base::TimeDelta::FromDays(365 * time_offset);
+    if (base::StringToInt(clock_manipulation_param, &time_offset)) {
+      clock_state = time_offset > 0 ? ssl_errors::CLOCK_STATE_FUTURE
+                                    : ssl_errors::CLOCK_STATE_PAST;
+    }
   }
 
   net::SSLInfo ssl_info;
@@ -176,8 +177,8 @@ BadClockBlockingPage* CreateBadClockBlockingPage(
   if (strict_enforcement)
     options_mask |= security_interstitials::SSLErrorUI::STRICT_ENFORCEMENT;
   return new BadClockBlockingPage(web_contents, cert_error, ssl_info,
-                                  request_url, time_triggered_, nullptr,
-                                  base::Callback<void(bool)>());
+                                  request_url, base::Time::Now(), clock_state,
+                                  nullptr, base::Callback<void(bool)>());
 }
 
 safe_browsing::SafeBrowsingBlockingPage* CreateSafeBrowsingBlockingPage(