Remove the flag --disable-hide-inactive-stacked-tab-close-buttons

chrome/browser/flag_descriptions.cc

Index: chrome/browser/flag_descriptions.cc
diff --git a/chrome/browser/flag_descriptions.cc b/chrome/browser/flag_descriptions.cc
index 2fc4c876316e12a984943c78c2932c44f3866986..885a66fcdb819b8ab60a461348abbe7c09fa75a5 100644
--- a/chrome/browser/flag_descriptions.cc
+++ b/chrome/browser/flag_descriptions.cc
@@ -1238,13 +1238,6 @@ const char kZeroCopyName[] = "Zero-copy rasterizer";
 const char kZeroCopyDescription[] =
     "Raster threads write directly to GPU memory associated with tiles.";
 
-const char kHideInactiveStackedTabCloseButtonsName[] =
-    "Hiding close buttons on inactive tabs when stacked";
-
-const char kHideInactiveStackedTabCloseButtonsDescription[] =
-    "Hides the close buttons of inactive tabs when the tabstrip is in "
-    "stacked mode.";
-
 const char kDefaultTileWidthName[] = "Default tile width";
 
 const char kDefaultTileWidthDescription[] = "Specify the default tile width.";