Move time constants to base::Time

chrome/browser/ui/webui/options/clear_browser_data_handler.cc

Index: chrome/browser/ui/webui/options/clear_browser_data_handler.cc
diff --git a/chrome/browser/ui/webui/options/clear_browser_data_handler.cc b/chrome/browser/ui/webui/options/clear_browser_data_handler.cc
index fe7d925bba27866493c51460cd4a505a4a36c75a..e21383286f4e12a53ff0e6277ff3fafdba2e29a9 100644
--- a/chrome/browser/ui/webui/options/clear_browser_data_handler.cc
+++ b/chrome/browser/ui/webui/options/clear_browser_data_handler.cc
@@ -67,9 +67,8 @@ void ClearBrowserDataHandler::UpdateInfoBannerVisibility() {
   base::Time lastClearBrowsingDataTime = base::Time::FromInternalValue(
       profile->GetPrefs()->GetInt64(prefs::kLastClearBrowsingDataTime));
 
-  const int64 kHoursPerDay = 24;
   bool visible = (base::Time::Now() - lastClearBrowsingDataTime) <=
-      base::TimeDelta::FromHours(kHoursPerDay);
+      base::TimeDelta::FromHours(base::Time::kHoursPerDay);
 
   base::ListValue args;
   args.AppendBoolean(visible);