[ash-md] Erases the pre-MD code path for Overview Mode

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 55 matching lines @@
     "ash-enable-palette-on-all-displays";
 
 #endif
 
 // 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 / disables a stable order between overview sessions, independent of
-// the MRU order which attempts to preserve relative window positions.
-const char kAshDisableStableOverviewOrder[] =
-    "ash-disable-stable-overview-order";
-const char kAshEnableStableOverviewOrder[] = "ash-enable-stable-overview-order";
-
-
 // Enables touch view testing.
 // TODO(skuhne): Remove DEBUG_TOGGLE_TOUCH_VIEW accelerator once this flag is
 // removed.
 const char kAshEnableTouchViewTesting[] = "ash-enable-touch-view-testing";
 
 // Hides notifications that are irrelevant to Chrome OS device factory testing,
 // such as battery level updates.
 const char kAshHideNotificationsForFactory[] =
     "ash-hide-notifications-for-factory";
 
 // Specifies if Material Design elements in Chrome OS system UI are enabled.
 // Can be disabled / enabled / experimental allowing to launch incrementally.
 const char kAshMaterialDesign[] = "ash-md";
 const char kAshMaterialDesignDisabled[] = "disabled";
 const char kAshMaterialDesignEnabled[] = "enabled";
 const char kAshMaterialDesignExperimental[] = "experimental";
 
-// Specifies a maximum number of preview windows in overview mode that still
-// allows using mask layers to hide the original window header and use rounded
-// corners.
-const char kAshMaxWindowsToUseMaskInOverview[] = "ash-max-previews-to-use-mask";
-
-// Specifies a maximum number of preview windows in overview mode that still
-// allows using alpha shapes to hide the original window header.
-const char kAshMaxWindowsToUseShapeInOverview[] =
-    "ash-max-previews-to-use-shape";
-
 // Enables the heads-up display for tracking touch points.
 const char kAshTouchHud[] = "ash-touch-hud";
 
 // (Most) Chrome OS hardware reports ACPI power button releases correctly.
 // Standard hardware reports releases immediately after presses.  If set, we
 // lock the screen or shutdown the system immediately in response to a press
 // instead of displaying an interactive animation.
 const char kAuraLegacyPowerButton[] = "aura-legacy-power-button";
 
 #if defined(OS_CHROMEOS)
 // 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);
 }
 
 #endif
 
 }  // namespace switches
 }  // namespace ash