Make the histograms for setting the default browser consistent

BUG=

Review URL: https://codereview.chromium.org/1426663005

Cr-Commit-Position: refs/heads/master@{#360654}
diff --git a/chrome/browser/ui/browser_command_controller.cc b/chrome/browser/ui/browser_command_controller.cc
index ad8f0ca9..b6f7942 100644
--- a/chrome/browser/ui/browser_command_controller.cc
+++ b/chrome/browser/ui/browser_command_controller.cc
@@ -4,6 +4,8 @@
 
 #include "chrome/browser/ui/browser_command_controller.h"
 
+#include <string>
+
 #include "base/command_line.h"
 #include "base/prefs/pref_service.h"
 #include "chrome/app/chrome_command_ids.h"
@@ -165,7 +167,6 @@
       return;
     }
     first_check_ = false;
-    default_browser_worker_->StartCheckIsDefault();
   }
 
   bool IsInteractiveSetDefaultPermitted() override {