Start axing NTP4 dead code.

chrome/browser/ui/webui/ntp/new_tab_page_handler.cc

Index: chrome/browser/ui/webui/ntp/new_tab_page_handler.cc
diff --git a/chrome/browser/ui/webui/ntp/new_tab_page_handler.cc b/chrome/browser/ui/webui/ntp/new_tab_page_handler.cc
index aef4044d2d2ef5a3ca6542f57b31e7c4cba3d927..de548dfa171d4b40208042cb5db85121d52d9277 100644
--- a/chrome/browser/ui/webui/ntp/new_tab_page_handler.cc
+++ b/chrome/browser/ui/webui/ntp/new_tab_page_handler.cc
@@ -155,14 +155,9 @@ void NewTabPageHandler::HandleLogTimeToClick(const base::ListValue* args) {
 
   if (histogram_name == "NewTabPage.TimeToClickMostVisited") {
     UMA_HISTOGRAM_LONG_TIMES("NewTabPage.TimeToClickMostVisited", delta);
-  } else if (histogram_name == "NewTabPage.TimeToClickRecentlyClosed") {
-    UMA_HISTOGRAM_LONG_TIMES("NewTabPage.TimeToClickRecentlyClosed", delta);
   } else if (histogram_name == "ExtendedNewTabPage.TimeToClickMostVisited") {
     UMA_HISTOGRAM_LONG_TIMES(
         "ExtendedNewTabPage.TimeToClickMostVisited", delta);
-  } else if (histogram_name == "ExtendedNewTabPage.TimeToClickRecentlyClosed") {
-    UMA_HISTOGRAM_LONG_TIMES(
-        "ExtendedNewTabPage.TimeToClickRecentlyClosed", delta);
   } else {
     NOTREACHED();
   }