Fix the new First Run sentinel file path determination.

chrome/browser/first_run/first_run_internal_win.cc

Index: chrome/browser/first_run/first_run_internal_win.cc
diff --git a/chrome/browser/first_run/first_run_internal_win.cc b/chrome/browser/first_run/first_run_internal_win.cc
index 2225cc86624c52ee7e175a3c9d7a92a4cc88999f..69399df14e1d0dadc06b81fea22f3939907c6406 100644
--- a/chrome/browser/first_run/first_run_internal_win.cc
+++ b/chrome/browser/first_run/first_run_internal_win.cc
@@ -145,11 +145,6 @@ void DoPostImportPlatformSpecificTasks(Profile* /* profile */) {
   }
 }
 
-bool GetFirstRunSentinelFilePath(base::FilePath* path) {
-  return InstallUtil::GetSentinelFilePath(
-      chrome::kFirstRunSentinel, BrowserDistribution::GetDistribution(), path);
-}
-
 bool GetLegacyFirstRunSentinelFilePath(base::FilePath* path) {
   // The first run sentinel for user-level installs on Windows used to
   // be in the application directory.