Make the histograms for setting the default browser consistent

chrome/browser/shell_integration_win.cc

Index: chrome/browser/shell_integration_win.cc
diff --git a/chrome/browser/shell_integration_win.cc b/chrome/browser/shell_integration_win.cc
index b6e6eab91243bafb058b1d77583e125795c85433..0565dacad509d2e2706ad9e0daf4b8693e604a09 100644
--- a/chrome/browser/shell_integration_win.cc
+++ b/chrome/browser/shell_integration_win.cc
@@ -665,12 +665,6 @@ base::FilePath ShellIntegration::GetStartMenuShortcut(
   return base::FilePath();
 }
 
-// static
-bool ShellIntegration::DefaultWebClientWorker::ShouldReportAttemptResults() {
-  return base::win::GetVersion() >= base::win::VERSION_WIN10 &&
-         IsSetAsDefaultAsynchronous();
-}
-
 bool ShellIntegration::DefaultBrowserWorker::InitializeSetAsDefault() {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);