Remove "Alternate frame caption button style" command line flag

chrome/browser/about_flags.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 "chrome/browser/about_flags.h"
 
 #include <algorithm>
 #include <iterator>
 #include <map>
 #include <set>
@@ skipping 1024 matching lines @@
     SINGLE_VALUE_TYPE(switches::kDisableAcceleratedVideoDecode),
   },
 #if defined(USE_ASH)
   {
     "ash-debug-shortcuts",
     IDS_FLAGS_DEBUG_SHORTCUTS_NAME,
     IDS_FLAGS_DEBUG_SHORTCUTS_DESCRIPTION,
     kOsAll,
     SINGLE_VALUE_TYPE(ash::switches::kAshDebugShortcuts),
   },
-  { "ash-alternate-caption-button",
-    IDS_FLAGS_ASH_FRAME_CAPTION_BUTTON_STYLE_NAME,
-    IDS_FLAGS_ASH_FRAME_CAPTION_BUTTON_STYLE_DESCRIPTION,
-    kOsCrOS,
-    ENABLE_DISABLE_VALUE_TYPE(
-        ash::switches::kAshEnableAlternateFrameCaptionButtonStyle,
-        ash::switches::kAshDisableAlternateFrameCaptionButtonStyle),
-  },
   { "ash-enable-touch-view-testing",
     IDS_FLAGS_ASH_ENABLE_TOUCH_VIEW_TESTING_NAME,
     IDS_FLAGS_ASH_ENABLE_TOUCH_VIEW_TESTING_DESCRIPTION,
     kOsCrOS,
     SINGLE_VALUE_TYPE(ash::switches::kAshEnableTouchViewTesting),
   },
 #endif
 #if defined(OS_CHROMEOS)
   {
     "enable-carrier-switching",
@@ skipping 1304 matching lines @@
 }
 
 const Experiment* GetExperiments(size_t* count) {
   *count = num_experiments;
   return experiments;
 }
 
 }  // namespace testing
 
 }  // namespace about_flags