Make callers of FromUTC(Local)Exploded in chrome/ use new time API.

chrome/browser/ui/webui/media/webrtc_logs_ui.cc

Index: chrome/browser/ui/webui/media/webrtc_logs_ui.cc
diff --git a/chrome/browser/ui/webui/media/webrtc_logs_ui.cc b/chrome/browser/ui/webui/media/webrtc_logs_ui.cc
index e048f3ab933a960e54901f26154fdcc7fe4d4aa7..2f515d5851af15ccc8c667704dbede45ace756d0 100644
--- a/chrome/browser/ui/webui/media/webrtc_logs_ui.cc
+++ b/chrome/browser/ui/webui/media/webrtc_logs_ui.cc
@@ -182,9 +182,11 @@ void WebRtcLogsDOMHandler::UpdateUI() {
       if (base::StringToDouble(i->local_id, &seconds_since_epoch)) {
         base::Time capture_time = base::Time::FromDoubleT(seconds_since_epoch);
         base::Time::Exploded lower_limit = {2012, 1, 0, 1, 0, 0, 0, 0};
-        if (capture_time > base::Time::FromUTCExploded(lower_limit) &&
-            capture_time < base::Time::Now()) {
-          value_w = base::TimeFormatFriendlyDateAndTime(capture_time);
+        base::Time out_time;
+        if (base::Time::FromUTCExploded(lower_limit, &out_time)) {

[Lei Zhang, 2016/07/06 17:44:30]

Isn't |lower_limit| a known to be good value that should never fail? Can we
DCHECK() that the conversion is successful?

|lower_limit| should also be const.

[maksims (do not use this acc), 2016/07/07 05:48:14]

Done.

+          if (capture_time > out_time && capture_time < base::Time::Now()) {
+            value_w = base::TimeFormatFriendlyDateAndTime(capture_time);
+          }
         }
       }
     }