[Mac] Reveal Fullscreen Toolbar for Tab Strip Changes

chrome/browser/ui/cocoa/toolbar/toolbar_controller.mm

Index: chrome/browser/ui/cocoa/toolbar/toolbar_controller.mm
diff --git a/chrome/browser/ui/cocoa/toolbar/toolbar_controller.mm b/chrome/browser/ui/cocoa/toolbar/toolbar_controller.mm
index 6ccd492136f641a7a346097d78d01d49d90b8847..6501406a84c51cf256891914ce8fc4c25dd7e959 100644
--- a/chrome/browser/ui/cocoa/toolbar/toolbar_controller.mm
+++ b/chrome/browser/ui/cocoa/toolbar/toolbar_controller.mm
@@ -54,6 +54,7 @@
 #include "components/metrics/proto/omnibox_event.pb.h"
 #include "components/omnibox/browser/autocomplete_classifier.h"
 #include "components/omnibox/browser/autocomplete_match.h"
+#include "components/omnibox/browser/omnibox_edit_model.h"
 #include "components/omnibox/browser/omnibox_view.h"
 #include "components/prefs/pref_service.h"
 #include "components/search_engines/template_url_service.h"
@@ -1115,6 +1116,11 @@ class NotificationBridge : public AppMenuIconController::Delegate {
   return appMenuController_.get();
 }
 
+- (BOOL)isLocationBarFocused {
+  OmniboxEditModel* model = locationBarView_->GetOmniboxView()->model();
+  return model->has_focus();
+}
+
 // (URLDropTargetController protocol)
 - (void)dropURLs:(NSArray*)urls inView:(NSView*)view at:(NSPoint)point {
   // TODO(viettrungluu): This code is more or less copied from the code in