Remove the temporary flag to disable the sync confirmation page on linux an windows.

chrome/browser/ui/sync/one_click_signin_sync_starter.h

Index: chrome/browser/ui/sync/one_click_signin_sync_starter.h
diff --git a/chrome/browser/ui/sync/one_click_signin_sync_starter.h b/chrome/browser/ui/sync/one_click_signin_sync_starter.h
index efd09d5004363dcd4576dfcc77af0e39436577d7..a2cd1b7ad8f02f645b332c650176b364d3de5163 100644
--- a/chrome/browser/ui/sync/one_click_signin_sync_starter.h
+++ b/chrome/browser/ui/sync/one_click_signin_sync_starter.h
@@ -260,8 +260,10 @@ class OneClickSigninSyncStarter : public SigninTracker::Observer,
   // Prevents Sync from running until configuration is complete.
   std::unique_ptr<syncer::SyncSetupInProgressHandle> sync_blocker_;
 
-  // Temporary flag to disable new sync confirm page if user choose to create a
-  // new profile after the corp account signin.
+  // Temporary flag used only on macOS to disable new sync confirm page if user
+  // choose to create a new profile.
+  //
+  // TODO(msarda): Remove this flag once the https://crbug.com/677012 fixed.
   bool skip_sync_confirm_;
 
   base::WeakPtrFactory<OneClickSigninSyncStarter> weak_pointer_factory_;