Remove docked windows entirely in M59.

ash/common/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/common/ash_switches.h"
 
 #include "base/command_line.h"
 #include "base/sys_info.h"
 
 namespace ash {
@@ skipping 37 matching lines @@
 const char kAshEnableFullscreenAppList[] = "ash-enable-fullscreen-app-list";
 
 // Enables key bindings to scroll magnified screen.
 const char kAshEnableMagnifierKeyScroller[] =
     "ash-enable-magnifier-key-scroller";
 
 // Enables the palette on every display, instead of only the internal one.
 const char kAshEnablePaletteOnAllDisplays[] =
     "ash-enable-palette-on-all-displays";
 
-// Enables docking windows to the right or left (not to be confused with snapped
-// windows).
-const char kAshEnableDockedWindows[] = "ash-enable-docked-windows";
-
 // Enables the observation of accelerometer events to enter touch-view mode.
 const char kAshEnableTouchView[] = "enable-touchview";
 
 // Enables mirrored screen.
 const char kAshEnableMirroredScreen[] = "ash-enable-mirrored-screen";
 
 // Enables the palette next to the status area.
 const char kAshForceEnablePalette[] = "ash-force-enable-palette";
 
 // Hides notifications that are irrelevant to Chrome OS device factory testing,
@@ skipping 12 matching lines @@
 
 // Constrains the pointer movement within a root window on desktop.
 bool ConstrainPointerToRoot() {
   const char kAshConstrainPointerToRoot[] = "ash-constrain-pointer-to-root";
 
   return base::SysInfo::IsRunningOnChromeOS() ||
          base::CommandLine::ForCurrentProcess()->HasSwitch(
              kAshConstrainPointerToRoot);
 }
 
-bool DockedWindowsEnabled() {
-  return base::CommandLine::ForCurrentProcess()->HasSwitch(
-      ash::switches::kAshEnableDockedWindows);
-}
-
 }  // namespace switches
 }  // namespace ash