[Mac] Reveal Fullscreen Toolbar for Tab Strip Changes

chrome/common/chrome_switches.cc

Index: chrome/common/chrome_switches.cc
diff --git a/chrome/common/chrome_switches.cc b/chrome/common/chrome_switches.cc
index 71b91b80a07caab10142da85099c7578bea6ab86..ded5e72540cd881cd1212d74e08e87f745ee1764 100644
--- a/chrome/common/chrome_switches.cc
+++ b/chrome/common/chrome_switches.cc
@@ -1178,6 +1178,10 @@ const char kEnableHostedAppsInWindows[] = "enable-hosted-apps-in-windows";
 const char kEnableMacViewsNativeAppWindows[] =
     "enable-mac-views-native-app-windows";
 
+// Enables the fullscreen toolbar to reveal itself for tab strip changes.
+const char kEnableFullscreenToolbarReveal[] =
+    "enable-fullscreen-toolbar-reveal";
+
 // Enables Translate experimental new UX which replaces the infobar.
 const char kEnableTranslateNewUX[] = "enable-translate-new-ux";