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

content/public/common/content_switches.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "build/build_config.h"
 #include "content/public/common/content_switches.h"
 #include "media/media_features.h"
 
 namespace switches {
 
@@ skipping 158 matching lines @@
 const char kDisableLowResTiling[] = "disable-low-res-tiling";
 
 // Disable the GPU process sandbox.
 const char kDisableGpuSandbox[]             = "disable-gpu-sandbox";
 
 // Suppresses hang monitor dialogs in renderer processes.  This may allow slow
 // unload handlers on a page to prevent the tab from closing, but the Task
 // Manager can be used to terminate the offending process in this case.
 const char kDisableHangMonitor[]            = "disable-hang-monitor";
 
-// Disable hiding the close buttons of inactive tabs when the tabstrip is in
-// stacked mode.
-const char kDisableHideInactiveStackedTabCloseButtons[] =
-    "disable-hide-inactive-stacked-tab-close-buttons";
-
 // Disable the RenderThread's HistogramCustomizer.
 const char kDisableHistogramCustomizer[]    = "disable-histogram-customizer";
 
 // Don't kill a child process when it sends a bad IPC message.  Apart
 // from testing, it is a bad idea from a security perspective to enable
 // this switch.
 const char kDisableKillAfterBadIPC[]        = "disable-kill-after-bad-ipc";
 
 // Disables LCD text.
 const char kDisableLCDText[]                = "disable-lcd-text";
@@ skipping 887 matching lines @@
 // The flag tells the sandbox initialization code inside Chrome that the sandbox
 // should already be enabled.
 // TODO(kerrnel): Remove this once the V2 sandbox migration is complete, as
 // processes will be assumed to run under the V2 sandbox.
 const char kV2SandboxedEnabled[] = "v2-sandbox-enabled";
 #endif  // defined(OS_MACOSX)
 
 // Don't dump stuff here, follow the same order as the header.
 
 }  // namespace switches