Modified the behavior of "Hide Toolbar in Full Screen"

chrome/browser/ui/cocoa/browser/exclusive_access_controller_views.mm

Index: chrome/browser/ui/cocoa/browser/exclusive_access_controller_views.mm
diff --git a/chrome/browser/ui/cocoa/browser/exclusive_access_controller_views.mm b/chrome/browser/ui/cocoa/browser/exclusive_access_controller_views.mm
index e2a8ed0ede86f8407ec191893ec5a4e0662515b0..3873c467d35ff5c847e9c4721505e27b49275b21 100644
--- a/chrome/browser/ui/cocoa/browser/exclusive_access_controller_views.mm
+++ b/chrome/browser/ui/cocoa/browser/exclusive_access_controller_views.mm
@@ -22,7 +22,13 @@ ExclusiveAccessController::ExclusiveAccessController(
     Browser* browser)
     : controller_(controller),
       browser_(browser),
-      bubble_type_(EXCLUSIVE_ACCESS_BUBBLE_TYPE_NONE) {}
+      bubble_type_(EXCLUSIVE_ACCESS_BUBBLE_TYPE_NONE) {
+  pref_registrar_.Init(GetProfile()->GetPrefs());
+  pref_registrar_.Add(
+      prefs::kShowFullscreenToolbar,
+      base::Bind(&ExclusiveAccessController::UpdateFullscreenToolbar,
+                 base::Unretained(this)));
+}
 
 ExclusiveAccessController::~ExclusiveAccessController() {}
 
@@ -73,11 +79,10 @@ void ExclusiveAccessController::UpdateFullscreenWithToolbar(bool with_toolbar) {
   [controller_ updateFullscreenWithToolbar:with_toolbar];
 }
 
-void ExclusiveAccessController::ToggleFullscreenToolbar() {
-  PrefService* prefs = browser_->profile()->GetPrefs();
-  bool hideToolbar = !prefs->GetBoolean(prefs::kHideFullscreenToolbar);
-  [controller_ setFullscreenToolbarHidden:hideToolbar];
-  prefs->SetBoolean(prefs::kHideFullscreenToolbar, hideToolbar);
+void ExclusiveAccessController::UpdateFullscreenToolbar() {
+  PrefService* prefs = GetProfile()->GetPrefs();
+  bool showToolbar = prefs->GetBoolean(prefs::kShowFullscreenToolbar);
+  [controller_ setFullscreenToolbarVisible:showToolbar];
 }
 
 bool ExclusiveAccessController::IsFullscreenWithToolbar() const {