Fix typo in the new chrome histograms.

chrome/browser/safe_browsing/safe_browsing_blocking_page.cc

Index: chrome/browser/safe_browsing/safe_browsing_blocking_page.cc
diff --git a/chrome/browser/safe_browsing/safe_browsing_blocking_page.cc b/chrome/browser/safe_browsing/safe_browsing_blocking_page.cc
index 0a0a8d9d2dadb1eab4168294d768731b47fe606c..2cc7f5b1e646e32fe75afa2a1f0f48664d440ca5 100644
--- a/chrome/browser/safe_browsing/safe_browsing_blocking_page.cc
+++ b/chrome/browser/safe_browsing/safe_browsing_blocking_page.cc
@@ -437,7 +437,7 @@ void SafeBrowsingBlockingPage::CommandReceived(const std::string& cmd) {
   if (command.length() > 1 && command[0] == '"') {
     command = command.substr(1, command.length() - 2);
   }
-  RecordUserReactionTime(cmd);
+  RecordUserReactionTime(command);
   if (command == kDoReportCommand) {
     SetReportingPreference(true);
     return;