Fix typo that was causing auto hide not being saved locally.

chrome/browser/ui/ash/launcher/chrome_launcher_controller_per_browser.cc

Index: chrome/browser/ui/ash/launcher/chrome_launcher_controller_per_browser.cc
diff --git a/chrome/browser/ui/ash/launcher/chrome_launcher_controller_per_browser.cc b/chrome/browser/ui/ash/launcher/chrome_launcher_controller_per_browser.cc
index 3ed39a38f07fca17a770d43d51f016b862c68443..03b26bb6588e3ea1b1416b1f23a001b4d151f7bf 100644
--- a/chrome/browser/ui/ash/launcher/chrome_launcher_controller_per_browser.cc
+++ b/chrome/browser/ui/ash/launcher/chrome_launcher_controller_per_browser.cc
@@ -1087,7 +1087,7 @@ void ChromeLauncherControllerPerBrowser::SetShelfAutoHideBehaviorPrefs(
   UpdatePerDisplayPref(
       profile_->GetPrefs(), root_window, prefs::kShelfAutoHideBehavior, value);
 
-  if (root_window != ash::Shell::GetPrimaryRootWindow()) {
+  if (root_window == ash::Shell::GetPrimaryRootWindow()) {
     // See comment in |kShelfAlignment| about why we have two prefs here.
     profile_->GetPrefs()->SetString(prefs::kShelfAutoHideBehaviorLocal, value);
     profile_->GetPrefs()->SetString(prefs::kShelfAutoHideBehavior, value);