Implement (FORMAT_ELAPSED, LENGTH_LONG) in time_format

ui/strings/ui_strings.grd

Index: ui/strings/ui_strings.grd
diff --git a/ui/strings/ui_strings.grd b/ui/strings/ui_strings.grd
index fbc7932019fe986406d528a0485f10b00176b813..7200afef66b6efbe7f8fa9ead5ef5694e759cd40 100644
--- a/ui/strings/ui_strings.grd
+++ b/ui/strings/ui_strings.grd
@@ -238,15 +238,24 @@ need to be translated for each locale.-->
       </message>
 
       <message name="IDS_TIME_ELAPSED_SECS"
-               desc="Use an abbreviated word for second(s). [ICU Syntax]">
+               desc="Relative time in browsing history or file list. Use an abbreviated word for second(s). [ICU Syntax]">
                {SECONDS, plural, =1 {1 sec ago} other {# secs ago}}
       </message>
 
+      <message name="IDS_TIME_ELAPSED_LONG_SECS"
+               desc="Relative time in browsing history or file list. [ICU Syntax]">
+               {SECONDS, plural, =1 {1 second ago} other {# seconds ago}}
+      </message>
+
       <message name="IDS_TIME_ELAPSED_MINS"
-               desc="Use an abbreviated word for minute(s). [ICU Syntax]">
+               desc="Relative time in browsing history or file list. Use an abbreviated word for minute(s). [ICU Syntax]">
                {MINUTES, plural, =1 {1 min ago} other {# mins ago}}
       </message>
 
+      <message name="IDS_TIME_ELAPSED_LONG_MINS"
+               desc="Relative time in browsing history or file list. [ICU Syntax]">
+               {SECONDS, plural, =1 {1 minute ago} other {# minutes ago}}
+      </message>
 
       <message name="IDS_TIME_ELAPSED_HOURS"
                desc="Relative time in browsing history or file list. [ICU Syntax]">