Use network time for bad clock interstitial.

chrome/browser/ssl/ssl_error_handler.cc

Index: chrome/browser/ssl/ssl_error_handler.cc
diff --git a/chrome/browser/ssl/ssl_error_handler.cc b/chrome/browser/ssl/ssl_error_handler.cc
index 4e0a84bfa43deac3a4b5778737ba413f563e50ea..db458a4978c295aea119a619fa0135063cd080f7 100644
--- a/chrome/browser/ssl/ssl_error_handler.cc
+++ b/chrome/browser/ssl/ssl_error_handler.cc
@@ -14,6 +14,7 @@
 #include "base/strings/stringprintf.h"
 #include "base/time/clock.h"
 #include "base/time/time.h"
+#include "chrome/browser/browser_process.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ssl/bad_clock_blocking_page.h"
 #include "chrome/browser/ssl/ssl_blocking_page.h"
@@ -33,6 +34,10 @@
 #include "chrome/browser/ssl/captive_portal_blocking_page.h"
 #endif
 
+namespace network_time {
+class NetworkTimeTracker;
+}
+
 namespace {
 
 // The delay in milliseconds before displaying the SSL interstitial.
@@ -141,8 +146,10 @@ bool IsErrorDueToBadClock(const base::Time& now, int error) {
       ssl_errors::ErrorInfo::CERT_DATE_INVALID) {
     return false;
   }
-  return ssl_errors::IsUserClockInThePast(now) ||
-         ssl_errors::IsUserClockInTheFuture(now);
+  const network_time::NetworkTimeTracker* network_time =

[estark, 2016/03/08 23:17:36]

nit: |network_time_tracker| instead of |network_time|... when I read
|network_time| I assume it's a base::Time and it surprises me that it's a
NetworkTimeTracker.

[mab, 2016/03/09 23:35:27]

Moot here; done elsewhere.  I wish there were something shorter.

+      g_browser_process->network_time_tracker();
+  return ssl_errors::IsUserClockBehind(now, network_time) ||
+      ssl_errors::IsUserClockAhead(now, network_time);
 }
 
 }  // namespace