Add UMA reporting of reset request origin.

chrome/browser/ui/webui/settings/reset_settings_handler.cc

Index: chrome/browser/ui/webui/settings/reset_settings_handler.cc
diff --git a/chrome/browser/ui/webui/settings/reset_settings_handler.cc b/chrome/browser/ui/webui/settings/reset_settings_handler.cc
index 25d97412e1063e17779e18dc477775b5b219a1f1..372af034dd9937c6cb1b627f1d7edd252846b3c5 100644
--- a/chrome/browser/ui/webui/settings/reset_settings_handler.cc
+++ b/chrome/browser/ui/webui/settings/reset_settings_handler.cc
@@ -254,6 +254,9 @@ void ResetSettingsHandler::ResetProfile(
                  request_origin));
   content::RecordAction(base::UserMetricsAction("ResetProfile"));
   UMA_HISTOGRAM_BOOLEAN("ProfileReset.SendFeedback", send_settings);
+  UMA_HISTOGRAM_ENUMERATION(
+      "ProfileReset.ResetRequestOrigin", request_origin,
+      reset_report::ChromeResetReport::ResetRequestOrigin_MAX + 1);
 }
 
 ProfileResetter* ResetSettingsHandler::GetResetter() {