Kill NewTabPage.NumberOfMouseOvers.

chrome/browser/ui/webui/metrics_handler.cc

Index: chrome/browser/ui/webui/metrics_handler.cc
diff --git a/chrome/browser/ui/webui/metrics_handler.cc b/chrome/browser/ui/webui/metrics_handler.cc
index b4046e84a405036f2be61a0a59bc77adbb8f1c7f..39ef3287ab9a3d97aa38dce4fe8862980fb3c6b8 100644
--- a/chrome/browser/ui/webui/metrics_handler.cc
+++ b/chrome/browser/ui/webui/metrics_handler.cc
@@ -36,9 +36,6 @@ void MetricsHandler::RegisterMessages() {
   web_ui()->RegisterMessageCallback(
       "metricsHandler:logEventTime",
       base::Bind(&MetricsHandler::HandleLogEventTime, base::Unretained(this)));
-  web_ui()->RegisterMessageCallback(
-      "metricsHandler:logMouseover",
-      base::Bind(&MetricsHandler::HandleLogMouseover, base::Unretained(this)));
 }
 
 void MetricsHandler::HandleRecordAction(const base::ListValue* args) {
@@ -106,12 +103,3 @@ void MetricsHandler::HandleLogEventTime(const base::ListValue* args) {
     NOTREACHED();
   }
 }
-
-void MetricsHandler::HandleLogMouseover(const base::ListValue* args) {
-#if !defined(OS_ANDROID)
-  // Android uses native UI for NTP.
-  NTPUserDataLogger::GetOrCreateFromWebContents(
-    web_ui()->GetWebContents())->LogEvent(NTP_MOUSEOVER,
-                                          base::TimeDelta::FromMilliseconds(0));
-#endif  // !defined(OS_ANDROID)
-}