Remove "Alternate frame caption button style" command line flag

ash/ash_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 "ash/ash_switches.h"
 
 #include "base/command_line.h"
 
 namespace ash {
 namespace switches {
@@ skipping 20 matching lines @@
 
 // Indicates that the wallpaper images specified by
 // kAshDefaultWallpaper{Large,Small} are OEM-specific (i.e. they are not
 // downloadable from Google).
 const char kAshDefaultWallpaperIsOem[] = "ash-default-wallpaper-is-oem";
 
 // Default wallpaper to use (as paths to trusted, non-user-writable JPEG files).
 const char kAshDefaultWallpaperLarge[] = "ash-default-wallpaper-large";
 const char kAshDefaultWallpaperSmall[] = "ash-default-wallpaper-small";
 
-// Use the normal visual style for the caption buttons (minimize, maximize,
-// restore, close).
-const char kAshDisableAlternateFrameCaptionButtonStyle[] =
-    "ash-disable-alternate-caption-button";
-
 // Disable ability to dock windows at the desktop edge.
 const char kAshDisableDockedWindows[] = "ash-disable-docked-windows";
 
-// Use alternate visual style for the caption buttons (minimize, maximize,
-// restore, close). The alternate style:
-// - Adds a dedicated button for minimize.
-// - Removes the maximize button's help bubble.
-const char kAshEnableAlternateFrameCaptionButtonStyle[] =
-    "ash-enable-alternate-caption-button";
-
 #if defined(OS_CHROMEOS)
 // Enables key bindings to scroll magnified screen.
 const char kAshEnableMagnifierKeyScroller[] =
     "ash-enable-magnifier-key-scroller";
 #endif
 
 // Enables software based mirroring.
 const char kAshEnableSoftwareMirroring[] = "ash-enable-software-mirroring";
 
 // Enables touch view testing.
@@ skipping 44 matching lines @@
 // instead of displaying an interactive animation.
 const char kAuraLegacyPowerButton[] = "aura-legacy-power-button";
 
 #if defined(OS_WIN)
 // Force Ash to open its root window on the desktop, even on Windows 8 where
 // it would normally end up in metro.
 const char kForceAshToDesktop[] = "ash-force-desktop";
 
 #endif
 
-bool UseAlternateFrameCaptionButtonStyle() {
-  return !CommandLine::ForCurrentProcess()->
-      HasSwitch(kAshDisableAlternateFrameCaptionButtonStyle);
-}
-
 bool UseDockedWindows() {
   return !CommandLine::ForCurrentProcess()->HasSwitch(kAshDisableDockedWindows);
 }
 
 }  // namespace switches
 }  // namespace ash